{
  "id": "audio-engineering-recording-1",
  "title": "Audio Engineering & Recording I",
  "course_url": "/learn/courses/audio-engineering-recording-1.html",
  "audience": "student",
  "lesson_count": 73,
  "mapped_checkpoint_count": 73,
  "rows": [
    {
      "id": "AER1-U01-L01",
      "lesson_number": 1,
      "title": "Make your first take",
      "assignment": "Original take or imported reference, project name, and a one-sentence description of what you captured.",
      "practice_steps": [
        "Create a project and give it a name you will recognize later.",
        "Choose a recording input, make a three-second test, then listen. Ask for help if it is silent.",
        "Record ten seconds of your own sound, or import melody.wav if recording access is unavailable.",
        "Keep an untouched original; save the project. Mark whether you recorded or imported."
      ],
      "evidence_requirement": "Keep the original recording, setup details and playback check. A proposed setup or supplied recording does not demonstrate your own capture skill.",
      "standards": [
        "capture"
      ],
      "assessment_criteria": [
        "Recognizable ten-second source",
        "Original retained",
        "Project named and saved",
        "Capture versus import reported accurately"
      ],
      "assessed_focus": "Select and connect the equipment, record the planned material, and replay it to verify the capture.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U01-L02",
      "lesson_number": 2,
      "title": "Keep the part you want",
      "assignment": "Original and edited audio plus the approximate start/end times you changed.",
      "practice_steps": [
        "Import the practice file or duplicate your first take.",
        "Identify the intended start and ending by listening.",
        "Trim unwanted silence without cutting the first attack or final decay. Use a short fade only if needed.",
        "Replay across both edges; compare with the original. Save the edited version separately."
      ],
      "evidence_requirement": "Keep the original and edited versions. Identify the changed passage and audition its entrance, join and ending.",
      "standards": [
        "edit"
      ],
      "assessment_criteria": [
        "First intended sound preserved",
        "Final intended decay preserved",
        "Original recoverable",
        "Edit justified by listening"
      ],
      "assessed_focus": "Retain the source, make the intended edit, and audition the boundaries and the finished passage.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U01-L03",
      "lesson_number": 3,
      "title": "Build a sound identity",
      "assignment": "Audio draft and two sentences explaining the identity and one arrangement choice.",
      "practice_steps": [
        "Write the identity and intended feeling in one sentence.",
        "Use your own take or supplied sounds to create a 15–30-second sequence. Repeat, leave space or change an entrance.",
        "Use track level to keep the intended foreground audible.",
        "Listen from beginning to end without editing; revise one confusing moment."
      ],
      "evidence_requirement": "Keep the editable digital sketches as well as listening copies. Identify a rhythmic, melodic or harmonic difference between the alternatives.",
      "standards": [
        "ideas"
      ],
      "assessment_criteria": [
        "15–30-second complete shape",
        "Intended foreground audible",
        "One purposeful arrangement choice",
        "Explanation identifies an audible event"
      ],
      "assessed_focus": "Retain distinct rhythmic, melodic or harmonic ideas and explain how the digital tools helped produce them.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U01-L04",
      "lesson_number": 4,
      "title": "Deliver something that plays",
      "assignment": "Final audio, project link/file or reconstruction notes, and a three-item playback/reopen checklist.",
      "practice_steps": [
        "Export the sound identity with a clear title and version number.",
        "Open the exported file in a separate player. Check the first sound, final decay and total duration.",
        "Reopen the project or document the reconstruction files if native project export is unavailable.",
        "Write one change you made and submit through the teacher’s chosen assignment route."
      ],
      "evidence_requirement": "List the working files and their purposes. Reopen the saved or transferred copy and record the playback result.",
      "standards": [
        "archive"
      ],
      "assessment_criteria": [
        "Export independently plays",
        "Filename identifies the version",
        "Working source can be reopened or reconstructed",
        "Checklist reports actual checks"
      ],
      "assessed_focus": "Identify each file’s purpose, preserve the source material and verify that the transferred or reopened project works.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U02-L01",
      "lesson_number": 5,
      "title": "Pitch is not loudness",
      "assignment": "Three comparison statements and a note describing your one-control test.",
      "practice_steps": [
        "Describe the reference using “pitch” and “level” in separate sentences.",
        "Compare the second tone with the reference and name the main changed property.",
        "Compare the third tone and repeat the decision.",
        "On a copy of melody.wav, change only track level. Explain what stayed the same."
      ],
      "evidence_requirement": "Add a labeled sketch explaining the sound behavior you observed, and cite the relevant lesson or source. Separate a listening observation from a physical measurement.",
      "standards": [
        "sound"
      ],
      "assessment_criteria": [
        "Pitch/level terms distinguished",
        "Both source comparisons correctly identified",
        "One variable changed in own test",
        "Listening setting kept fixed"
      ],
      "assessed_focus": "Connect the observed sound to its physical or digital cause and use a labeled sketch or graphic to explain it.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U02-L02",
      "lesson_number": 6,
      "title": "A waveform is a record",
      "assignment": "A time observation and annotated screenshot or written timeline description.",
      "practice_steps": [
        "Import the file and find the first event by listening.",
        "Record its approximate time, then compare it with the waveform.",
        "Duplicate the audio and lower its clip or track level; note whether your DAW changes the displayed waveform.",
        "Explain why screen appearance alone cannot establish the better version."
      ],
      "evidence_requirement": "Add a labeled sketch explaining the sound behavior you observed, and cite the relevant lesson or source. Separate a listening observation from a physical measurement.",
      "standards": [
        "sound"
      ],
      "assessment_criteria": [
        "Event located in time",
        "Observation checked by listening",
        "Display behavior described honestly",
        "Appearance separated from quality"
      ],
      "assessed_focus": "Connect the observed sound to its physical or digital cause and use a labeled sketch or graphic to explain it.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U02-L03",
      "lesson_number": 7,
      "title": "Samples and file choices",
      "assignment": "Source/export metadata table and one sentence about what conversion cannot restore.",
      "practice_steps": [
        "Find the file information in the supplied manifest or your software.",
        "Write sample rate, bit depth and channel count with their units.",
        "Export a copy using a supported setting. If your tool hides bit depth, report “not exposed.”",
        "Compare the source and export length; do not change playback speed to simulate another format."
      ],
      "evidence_requirement": "Demonstrate the operation yourself where equipment is available. Identify the controls used and verify the result; keep proposed operations separate from completed demonstrations.",
      "standards": [
        "tech"
      ],
      "assessment_criteria": [
        "Sample rate described correctly",
        "Bit depth distinguished from loudness",
        "Actual or unavailable settings reported",
        "No invented improvement claim"
      ],
      "assessed_focus": "Demonstrate the relevant controls or file operations and explain what changes at the input and output.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U02-L04",
      "lesson_number": 8,
      "title": "Prove your export",
      "assignment": "Export plus source/export comparison record.",
      "practice_steps": [
        "Choose one five-second passage from your sound identity.",
        "Compare project playback and export; note missing parts, wrong speed or cut endings if present.",
        "Inspect duration and filename. Repair a real problem or record that none was found.",
        "Write a two-sentence handoff note containing one verified fact and one limit of your check."
      ],
      "evidence_requirement": "List the working files and their purposes. Reopen the saved or transferred copy and record the playback result.",
      "standards": [
        "archive"
      ],
      "assessment_criteria": [
        "Same passage compared",
        "Duration/endings checked",
        "Claim tied to evidence",
        "One limitation acknowledged"
      ],
      "assessed_focus": "Identify each file’s purpose, preserve the source material and verify that the transferred or reopened project works.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U03-L01",
      "lesson_number": 9,
      "title": "Follow the sound",
      "assignment": "Labeled diagram or equivalent ordered text, with one input/output explanation.",
      "practice_steps": [
        "Draw the actual classroom path, including combined devices where appropriate.",
        "Label the source, input control, recording track and listening output.",
        "Point to the place where stored audio is created.",
        "Explain where a headphone-volume change occurs in your diagram."
      ],
      "evidence_requirement": "Label the parts, connections and direction of flow. Use the model to explain one result or predict the effect of a specific change.",
      "standards": [
        "model"
      ],
      "assessment_criteria": [
        "Actual path represented",
        "Input and output separated",
        "Recording stage located",
        "Combined device stages acknowledged"
      ],
      "assessed_focus": "Identify the parts and connections, then use the diagram or sequence to explain or isolate a problem.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U03-L02",
      "lesson_number": 10,
      "title": "Find the broken link",
      "assignment": "Three case responses: evidence, next check, expected result.",
      "practice_steps": [
        "For each case, identify the last known working stage.",
        "Choose one next check: selected input, record-arm/record state, or output route/listening device.",
        "Explain what a successful result would tell you.",
        "With the teacher, inspect one real route without deliberately creating an unsafe fault."
      ],
      "evidence_requirement": "Retain the starting state, the proposed change and its result. Explain what the test established and what you would try next.",
      "standards": [
        "design"
      ],
      "assessment_criteria": [
        "Evidence used in each case",
        "One change/check at a time",
        "Expected result stated",
        "No random or unsafe intervention"
      ],
      "assessed_focus": "State the problem and expected result, test a controlled change, and use the result to choose the next action.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U03-L03",
      "lesson_number": 11,
      "title": "Leave room for peaks",
      "assignment": "Comparison response and clean test or documented supervised level-setting observation.",
      "practice_steps": [
        "Describe the sound difference at one moment.",
        "Lower the distorted file’s playback level and check whether its rough quality disappears.",
        "Perform a normal loud passage while the teacher helps check the input meter.",
        "Set a conservative input level and record a short clean test; report if the device uses automatic gain."
      ],
      "evidence_requirement": "Keep the original recording, setup details and playback check. A proposed setup or supplied recording does not demonstrate your own capture skill.",
      "standards": [
        "capture"
      ],
      "assessment_criteria": [
        "Distortion distinguished from loudness",
        "Headroom purpose explained",
        "Input checked before take",
        "Automatic or hidden controls honestly reported"
      ],
      "assessed_focus": "Select and connect the equipment, record the planned material, and replay it to verify the capture.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U03-L04",
      "lesson_number": 12,
      "title": "Capture a clean take",
      "assignment": "Two takes, keeper choice and route/level notes. If no capture device is available, submit analysis and mark capture pending.",
      "practice_steps": [
        "Choose a ten-second source and record a test.",
        "Identify one controllable issue in the source, position or input path.",
        "Change one thing and record again, retaining the first take.",
        "Choose a keeper and document input setting if available, location, listening result and remaining limitation."
      ],
      "evidence_requirement": "Keep the original recording, setup details and playback check. A proposed setup or supplied recording does not demonstrate your own capture skill.",
      "standards": [
        "capture"
      ],
      "assessment_criteria": [
        "Baseline retained",
        "One controlled change",
        "Choice supported by listening",
        "Recording versus analysis completion accurate"
      ],
      "assessed_focus": "Select and connect the equipment, record the planned material, and replay it to verify the capture.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U04-L01",
      "lesson_number": 13,
      "title": "Choose a microphone for the job",
      "assignment": "Microphone choice card and placement prediction.",
      "practice_steps": [
        "Read the classroom microphone card: model, type, pattern, connection and teacher-approved power state.",
        "Name the recording purpose.",
        "Explain one reason this available microphone can serve the purpose and one limitation.",
        "Propose a placement to test; do not rank microphone types by price."
      ],
      "evidence_requirement": "Include a labeled placement sketch and microphone information from its manufacturer. Record whether you made the capture yourself, observed a demonstration, or analyzed supplied audio. Practical microphone operation requires a witnessed capture.",
      "standards": [
        "mic"
      ],
      "assessment_criteria": [
        "Type and pattern distinguished",
        "Actual equipment facts used",
        "Choice related to source",
        "Power/connection handled through teacher procedure"
      ],
      "assessed_focus": "Compare microphone behavior, justify placement and connections, and check the result against the recording purpose.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U04-L02",
      "lesson_number": 14,
      "title": "Find the front",
      "assignment": "Orientation diagram and paired tests or documented observation of the teacher’s pair.",
      "practice_steps": [
        "Identify the pickup side from the equipment card or model diagram.",
        "Mark a 20 cm source distance or another teacher-approved repeatable distance.",
        "Record two short tests while changing orientation only; label both.",
        "Compare at similar playback loudness and describe a difference or an inconclusive result."
      ],
      "evidence_requirement": "Include a labeled placement sketch and microphone information from its manufacturer. Record whether you made the capture yourself, observed a demonstration, or analyzed supplied audio. Practical microphone operation requires a witnessed capture.",
      "standards": [
        "mic"
      ],
      "assessment_criteria": [
        "Intended pickup side identified",
        "Distance controlled",
        "Orientation documented",
        "Result avoids unsupported generalization"
      ],
      "assessed_focus": "Compare microphone behavior, justify placement and connections, and check the result against the recording purpose.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U04-L03",
      "lesson_number": 15,
      "title": "Move it and listen",
      "assignment": "Three original takes, playback-matched comparison copies or documented trims, and a distance/input-gain/observation table.",
      "practice_steps": [
        "Use a teacher-approved microphone and repeatable ten-second source at 4, 12 and 36 inches (about 10, 30 and 91 cm). Establish gain at the closest position with adequate peak margin, then leave input gain fixed.",
        "Keep axis, room, source effort and processing unchanged. Disable automatic gain only if the approved device allows it; otherwise label the experiment as confounded by automatic gain.",
        "Record all three takes. First compare unaltered playback to observe recorded level; then use separate playback trims to compare tone and room contribution at similar loudness. Never overwrite the originals.",
        "Log input gain, peak reading if available, distance, room contribution, noise and bass change. Do not attribute bass change to proximity effect unless the microphone/setup supports that interpretation."
      ],
      "evidence_requirement": "Include a labeled placement sketch and microphone information from its manufacturer. Record whether you made the capture yourself, observed a demonstration, or analyzed supplied audio. Practical microphone operation requires a witnessed capture.",
      "standards": [
        "mic"
      ],
      "assessment_criteria": [
        "All three distances documented",
        "Input gain fixed and other variables controlled",
        "Raw level and playback-matched tone comparisons separated",
        "Noise, room contribution and proximity limits explained"
      ],
      "assessed_focus": "Compare microphone behavior, justify placement and connections, and check the result against the recording purpose.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U04-L04",
      "lesson_number": 16,
      "title": "Recommend a placement",
      "assignment": "Recommendation, all three original files, comparison trims and reproducible setup notes.",
      "practice_steps": [
        "State the purpose: for example, clear speech or a balanced instrument sound.",
        "Choose a placement and cite one audible moment supporting it.",
        "Name a disadvantage and a useful next test.",
        "Submit the pair and a simple setup diagram. Complete a supervised capture check if you previously used analysis only."
      ],
      "evidence_requirement": "Include a labeled placement sketch and microphone information from its manufacturer. Record whether you made the capture yourself, observed a demonstration, or analyzed supplied audio. Practical microphone operation requires a witnessed capture.",
      "standards": [
        "mic"
      ],
      "assessment_criteria": [
        "Purpose explicit",
        "Choice supported by actual audio",
        "Tradeoff identified",
        "Setup can be repeated"
      ],
      "assessed_focus": "Compare microphone behavior, justify placement and connections, and check the result against the recording purpose.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U05-L01",
      "lesson_number": 17,
      "title": "Inspect the input",
      "assignment": "Input identification card and labeled path.",
      "practice_steps": [
        "Read the supplied model card and identify input type, connector and approved power state.",
        "Draw the path from the chosen source to the recording track.",
        "Label stages combined inside one device.",
        "Ask the teacher to verify the route before a connection is changed."
      ],
      "evidence_requirement": "Demonstrate the operation yourself where equipment is available. Identify the controls used and verify the result; keep proposed operations separate from completed demonstrations.",
      "standards": [
        "tech"
      ],
      "assessment_criteria": [
        "Actual input identified",
        "Source requirements checked",
        "Combined stages represented",
        "Teacher verification recorded"
      ],
      "assessed_focus": "Demonstrate the relevant controls or file operations and explain what changes at the input and output.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U05-L02",
      "lesson_number": 18,
      "title": "Test the preamp setting",
      "assignment": "Test take and gain/peak observation.",
      "practice_steps": [
        "Perform the loudest normal passage with monitoring comfortable.",
        "Observe input peaks; adjust only the approved input gain, aiming for conservative headroom.",
        "Record ten seconds and replay it.",
        "Document the gain setting or automatic behavior, peak range and audible result."
      ],
      "evidence_requirement": "Demonstrate the operation yourself where equipment is available. Identify the controls used and verify the result; keep proposed operations separate from completed demonstrations.",
      "standards": [
        "tech"
      ],
      "assessment_criteria": [
        "Representative source used",
        "Input rather than output adjusted",
        "Headroom retained",
        "Playback verified"
      ],
      "assessed_focus": "Demonstrate the relevant controls or file operations and explain what changes at the input and output.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U05-L03",
      "lesson_number": 19,
      "title": "Read the meter",
      "assignment": "Meter-location sketch and four observations.",
      "practice_steps": [
        "Identify the meter’s label and position in the signal path.",
        "Observe a quiet and a stronger passage.",
        "Change one playback control and note which meter changes.",
        "State one conclusion the meter supports and one it cannot establish."
      ],
      "evidence_requirement": "Keep the figures or observations in a spreadsheet or other digital table. Show each calculation or comparison and explain the decision it supports.",
      "standards": [
        "data"
      ],
      "assessment_criteria": [
        "Meter stage identified",
        "Actual readings or unavailable units reported",
        "One control tested",
        "Inference limit stated"
      ],
      "assessed_focus": "Show the input data, calculations or comparisons, and a conclusion that can be reproduced from the records.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U05-L04",
      "lesson_number": 20,
      "title": "Record with margin",
      "assignment": "Take, source/input notes and one reason for the chosen margin.",
      "practice_steps": [
        "Set a repeatable source and state the intended sound.",
        "Capture a fifteen-second take using your approved gain method.",
        "Save, reopen and listen for distortion or missing material.",
        "Record one useful improvement for a later take without deleting this one."
      ],
      "evidence_requirement": "Keep the original recording, setup details and playback check. A proposed setup or supplied recording does not demonstrate your own capture skill.",
      "standards": [
        "capture"
      ],
      "assessment_criteria": [
        "Usable take captured",
        "Gain decision documented",
        "Reopen succeeds",
        "Quality judged by evidence"
      ],
      "assessed_focus": "Select and connect the equipment, record the planned material, and replay it to verify the capture.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U06-L01",
      "lesson_number": 21,
      "title": "Hear the room",
      "assignment": "Two observations and a direct/reflected-sound explanation.",
      "practice_steps": [
        "Predict which position will sound more reflective.",
        "Record or observe the same short source at each position.",
        "Describe the onset and decay separately, using approximate times if useful.",
        "Identify a room or performance difference that limits the comparison."
      ],
      "evidence_requirement": "Add a labeled sketch explaining the sound behavior you observed, and cite the relevant lesson or source. Separate a listening observation from a physical measurement.",
      "standards": [
        "sound"
      ],
      "assessment_criteria": [
        "Onset and decay distinguished",
        "Same source attempted",
        "Room contribution described",
        "Confound acknowledged"
      ],
      "assessed_focus": "Connect the observed sound to its physical or digital cause and use a labeled sketch or graphic to explain it.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U06-L02",
      "lesson_number": 22,
      "title": "Move source and listener",
      "assignment": "Position diagram and A/B capture or supervised observation.",
      "practice_steps": [
        "Choose a source and microphone position as baseline.",
        "Move either the source or microphone to one marked new position.",
        "Record the same ten-second passage, documenting what stayed fixed.",
        "Keep or reject the move using one located observation."
      ],
      "evidence_requirement": "Add a labeled sketch explaining the sound behavior you observed, and cite the relevant lesson or source. Separate a listening observation from a physical measurement.",
      "standards": [
        "sound"
      ],
      "assessment_criteria": [
        "One position variable changed",
        "Positions reproducible",
        "Comparison level considered",
        "Decision tied to sound"
      ],
      "assessed_focus": "Connect the observed sound to its physical or digital cause and use a labeled sketch or graphic to explain it.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U06-L03",
      "lesson_number": 23,
      "title": "Choose a reference level",
      "assignment": "Monitoring reference card.",
      "practice_steps": [
        "Choose an approved listening device and comfortable setting.",
        "Record the device, approximate setting and position.",
        "Listen to one reference passage before evaluating your own recording.",
        "Return to that setup after a short pause and note any uncertainty."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Device and position recorded",
        "Comfortable setting used",
        "Reference passage fixed",
        "Calibration limits understood"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U06-L04",
      "lesson_number": 24,
      "title": "Document the listening position",
      "assignment": "Two-condition listening log and a cautious conclusion.",
      "practice_steps": [
        "Record the baseline system and one musical observation.",
        "Change only the listening position, or label a deliberate system change.",
        "Compare the same time window.",
        "Write a recommendation that separates file evidence from playback uncertainty."
      ],
      "evidence_requirement": "Add a labeled sketch explaining the sound behavior you observed, and cite the relevant lesson or source. Separate a listening observation from a physical measurement.",
      "standards": [
        "sound"
      ],
      "assessment_criteria": [
        "Same file/window used",
        "Playback change identified",
        "Observation located",
        "File and room causes separated"
      ],
      "assessed_focus": "Connect the observed sound to its physical or digital cause and use a labeled sketch or graphic to explain it.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U07-L01",
      "lesson_number": 25,
      "title": "Plan the capture",
      "assignment": "Completed session sheet.",
      "practice_steps": [
        "Write a one-sentence listener goal.",
        "List source, microphone/device, input, track name and destination.",
        "Assign performer, engineer and file-check roles; one person may hold more than one.",
        "Reserve filenames for test, take 1 and take 2."
      ],
      "evidence_requirement": "Keep the plan in a digital document. Include the intended result, resources, timing and a response to one likely change.",
      "standards": [
        "plan"
      ],
      "assessment_criteria": [
        "Purpose explicit",
        "Route complete",
        "Roles assigned",
        "Takes and files planned"
      ],
      "assessed_focus": "Use a digital plan to connect the intended result to available time, equipment, people and a workable fallback.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U07-L02",
      "lesson_number": 26,
      "title": "Build the cue",
      "assignment": "Cue diagram and performer feedback note.",
      "practice_steps": [
        "Trace the chosen monitoring route.",
        "Set a comfortable cue with the needed guide part.",
        "Perform a short test and ask one focused question about timing or clarity.",
        "Change one cue balance if needed, then confirm the input recording level remains appropriate."
      ],
      "evidence_requirement": "Demonstrate the operation yourself where equipment is available. Identify the controls used and verify the result; keep proposed operations separate from completed demonstrations.",
      "standards": [
        "tech"
      ],
      "assessment_criteria": [
        "Monitoring path understood",
        "Comfortable useful cue",
        "Performer feedback collected",
        "Capture gain kept distinct"
      ],
      "assessed_focus": "Demonstrate the relevant controls or file operations and explain what changes at the input and output.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U07-L03",
      "lesson_number": 27,
      "title": "Record two takes",
      "assignment": "Two retained takes and a short take log.",
      "practice_steps": [
        "Confirm the session plan, input and file location.",
        "Record a fifteen- to thirty-second take with a natural ending.",
        "Record a second take without overwriting the first.",
        "Save and verify both files or regions can be replayed independently."
      ],
      "evidence_requirement": "Keep the original recording, setup details and playback check. A proposed setup or supplied recording does not demonstrate your own capture skill.",
      "standards": [
        "capture"
      ],
      "assessment_criteria": [
        "Two complete takes",
        "First source retained",
        "Changes logged",
        "Both replays verified"
      ],
      "assessed_focus": "Select and connect the equipment, record the planned material, and replay it to verify the capture.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U07-L04",
      "lesson_number": 28,
      "title": "Select with evidence",
      "assignment": "Keeper decision with two timestamps and retained alternatives.",
      "practice_steps": [
        "Review the original listener goal.",
        "Locate one strength and one limitation in each take.",
        "Choose a keeper or justify a focused retake.",
        "Save the choice and retain the rejected take with its label."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Goal used as criterion",
        "Evidence from both takes",
        "Choice justified",
        "Alternatives retained"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U08-L01",
      "lesson_number": 29,
      "title": "Choose an edit boundary",
      "assignment": "Edited version and boundary notes.",
      "practice_steps": [
        "Duplicate a take and mark the intended phrase.",
        "Choose a boundary by listening, using the waveform as a locator.",
        "Trim the unwanted region and audition across the join.",
        "Use the shortest suitable fade if a click remains, then compare again."
      ],
      "evidence_requirement": "Keep the original and edited versions. Identify the changed passage and audition its entrance, join and ending.",
      "standards": [
        "edit"
      ],
      "assessment_criteria": [
        "Phrase identified",
        "Wanted sound preserved",
        "Boundary auditioned",
        "Original recoverable"
      ],
      "assessed_focus": "Retain the source, make the intended edit, and audition the boundaries and the finished passage.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U08-L02",
      "lesson_number": 30,
      "title": "Keep an intact take",
      "assignment": "Original/edited file names and a recovery result.",
      "practice_steps": [
        "Save the edited state with a new version name.",
        "Locate the intact source or baseline version.",
        "Replay the previously trimmed material.",
        "Reopen the chosen edited version and verify it remains available too."
      ],
      "evidence_requirement": "List the working files and their purposes. Reopen the saved or transferred copy and record the playback result.",
      "standards": [
        "archive"
      ],
      "assessment_criteria": [
        "Baseline identified",
        "Removed material recovered",
        "Edited version retained",
        "Actual reopen reported"
      ],
      "assessed_focus": "Identify each file’s purpose, preserve the source material and verify that the transferred or reopened project works.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U08-L03",
      "lesson_number": 31,
      "title": "Add an overdub",
      "assignment": "Foundation plus overdub and an entrance note.",
      "practice_steps": [
        "Choose a short section and mark the intended entrance.",
        "Prepare a cue and record a brief test for timing.",
        "Record the overdub on a separate track or retained take.",
        "Play both parts together and document any timing or monitoring limitation."
      ],
      "evidence_requirement": "Keep the original recording, setup details and playback check. A proposed setup or supplied recording does not demonstrate your own capture skill.",
      "standards": [
        "capture"
      ],
      "assessment_criteria": [
        "Entrance planned",
        "Cue tested",
        "Independent new take",
        "Combined playback checked"
      ],
      "assessed_focus": "Select and connect the equipment, record the planned material, and replay it to verify the capture.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U08-L04",
      "lesson_number": 32,
      "title": "Check continuity",
      "assignment": "Before/after passage and continuity checklist.",
      "practice_steps": [
        "Mark the edit or overdub boundary.",
        "Listen across it in the full passage.",
        "Test one correction if you hear a problem.",
        "Export the passage and confirm that the correction survives outside the session."
      ],
      "evidence_requirement": "Keep the original and edited versions. Identify the changed passage and audition its entrance, join and ending.",
      "standards": [
        "edit"
      ],
      "assessment_criteria": [
        "Context listened to",
        "Problem or clean result identified",
        "Correction controlled",
        "Export verified"
      ],
      "assessed_focus": "Retain the source, make the intended edit, and audition the boundaries and the finished passage.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U09-L01",
      "lesson_number": 33,
      "title": "Trace the setup",
      "assignment": "Independent route and version plan.",
      "practice_steps": [
        "State the recording purpose and chosen source.",
        "Draw source through input, track and monitoring output.",
        "Identify the approved gain control and one possible failure point.",
        "Name source, edited and final versions before recording."
      ],
      "evidence_requirement": "Label the parts, connections and direction of flow. Use the model to explain one result or predict the effect of a specific change.",
      "standards": [
        "model"
      ],
      "assessment_criteria": [
        "Actual route correct",
        "Gain stage identified",
        "Failure check sensible",
        "Versions planned"
      ],
      "assessed_focus": "Identify the parts and connections, then use the diagram or sequence to explain or isolate a problem.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U09-L02",
      "lesson_number": 34,
      "title": "Record and edit",
      "assignment": "Original and edited takes with one edit rationale.",
      "practice_steps": [
        "Make a test and then capture the planned performance.",
        "Save the original before editing.",
        "Make one justified trim, gap or boundary correction on a duplicate.",
        "Replay the whole passage and note the audible result."
      ],
      "evidence_requirement": "Keep the original recording, setup details and playback check. A proposed setup or supplied recording does not demonstrate your own capture skill.",
      "standards": [
        "capture"
      ],
      "assessment_criteria": [
        "Original usable capture",
        "Source preserved",
        "Edit controlled and justified",
        "Whole passage checked"
      ],
      "assessed_focus": "Select and connect the equipment, record the planned material, and replay it to verify the capture.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U09-L03",
      "lesson_number": 35,
      "title": "Recover the source",
      "assignment": "Recovery log with filenames, result and any unresolved dependency.",
      "practice_steps": [
        "Save the session and export the edited audio.",
        "Close or switch projects without deleting work.",
        "Reopen from the saved location or reconstruct using the retained files.",
        "Check the original, edited version and final audio independently."
      ],
      "evidence_requirement": "List the working files and their purposes. Reopen the saved or transferred copy and record the playback result.",
      "standards": [
        "archive"
      ],
      "assessment_criteria": [
        "Saved source found",
        "Original plays",
        "Edited/final state confirmed",
        "Dependencies reported"
      ],
      "assessed_focus": "Identify each file’s purpose, preserve the source material and verify that the transferred or reopened project works.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U09-L04",
      "lesson_number": 36,
      "title": "Explain a rejected change",
      "assignment": "Four-sentence decision record and paired evidence.",
      "practice_steps": [
        "Name the exact time window and intended improvement.",
        "Describe the one changed variable.",
        "Identify a cost or missing improvement.",
        "State the final choice and one next check if more time were available."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Purpose clear",
        "Variable identified",
        "Cost heard or measured",
        "Final choice defended"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U10-L01",
      "lesson_number": 37,
      "title": "Hear one source",
      "assignment": "A baseline description and separate-playback observation.",
      "practice_steps": [
        "Import each file to a separate track at the same start.",
        "Solo the source and identify two audible features.",
        "Solo the inverted copy at the same fader level.",
        "State whether you can identify a reliable difference when each plays alone."
      ],
      "evidence_requirement": "Add a labeled sketch explaining the sound behavior you observed, and cite the relevant lesson or source. Separate a listening observation from a physical measurement.",
      "standards": [
        "sound"
      ],
      "assessment_criteria": [
        "Baseline recorded",
        "Separate playback used",
        "Level controlled",
        "Observation not overclaimed"
      ],
      "assessed_focus": "Connect the observed sound to its physical or digital cause and use a labeled sketch or graphic to explain it.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U10-L02",
      "lesson_number": 38,
      "title": "Combine two copies",
      "assignment": "Three-state comparison: one, aligned pair and inverted pair.",
      "practice_steps": [
        "Set both track faders to−12 dB and confirm equal starts.",
        "Play two copies of the source and compare with one at the same fader setting.",
        "Replace one copy with the inverted source; retain start and level.",
        "Record meter and listening observations without raising the monitor to chase a null."
      ],
      "evidence_requirement": "Retain the starting state, the proposed change and its result. Explain what the test established and what you would try next.",
      "standards": [
        "design"
      ],
      "assessment_criteria": [
        "Safe summing level",
        "Starts aligned",
        "Three states compared",
        "Null limitations understood"
      ],
      "assessed_focus": "State the problem and expected result, test a controlled change, and use the result to choose the next action.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U10-L03",
      "lesson_number": 39,
      "title": "Invert or delay separately",
      "assignment": "Two labeled comparisons and an explanation of the changed variable.",
      "practice_steps": [
        "Keep the baseline source at the same start and gain.",
        "Compare its sum with the inverted copy, then restore the baseline.",
        "Compare its sum with phase-delay.wav, which retains a 2 ms offset.",
        "Describe the tonal change and identify which test changed time."
      ],
      "evidence_requirement": "Retain the starting state, the proposed change and its result. Explain what the test established and what you would try next.",
      "standards": [
        "design"
      ],
      "assessment_criteria": [
        "Variables separated",
        "Delay identified",
        "Tonal interaction described",
        "Polarity not called alignment"
      ],
      "assessed_focus": "State the problem and expected result, test a controlled change, and use the result to choose the next action.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U10-L04",
      "lesson_number": 40,
      "title": "Check mono and explain",
      "assignment": "A mono-check record with method, result and one possible revision.",
      "practice_steps": [
        "Play the stereo example and note its apparent width.",
        "Play the actual summed mono example at a comfortable level.",
        "Locate a tonal or level difference and relate it to the delayed channel.",
        "State whether your own mix was summed, heard one-sided or not tested."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Actual sum used",
        "Method recorded",
        "Difference described",
        "Revision linked to evidence"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U11-L01",
      "lesson_number": 41,
      "title": "Name the frequency region",
      "assignment": "Three region labels and one located musical observation.",
      "practice_steps": [
        "Play each short tone once and record its broad region.",
        "Listen to melody.wav and locate a tonal concern or state that none is apparent.",
        "Use a broad region description before naming an exact frequency.",
        "Record uncertainty instead of inventing precision."
      ],
      "evidence_requirement": "Add a labeled sketch explaining the sound behavior you observed, and cite the relevant lesson or source. Separate a listening observation from a physical measurement.",
      "standards": [
        "sound"
      ],
      "assessment_criteria": [
        "References identified",
        "Musical context considered",
        "Concern located",
        "Uncertainty stated"
      ],
      "assessed_focus": "Connect the observed sound to its physical or digital cause and use a labeled sketch or graphic to explain it.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U11-L02",
      "lesson_number": 42,
      "title": "Read the filter shape",
      "assignment": "Three labeled sketches and a filter-choice explanation.",
      "practice_steps": [
        "Draw a bell, shelf and high-pass response with axes labeled frequency and change.",
        "Predict which can reduce rumble while retaining most higher material.",
        "Test a conservative filter on a duplicate phrase or analyze the provided pair.",
        "Explain one wanted feature that excessive filtering could remove."
      ],
      "evidence_requirement": "Demonstrate the operation yourself where equipment is available. Identify the controls used and verify the result; keep proposed operations separate from completed demonstrations.",
      "standards": [
        "tech"
      ],
      "assessment_criteria": [
        "Shapes distinguished",
        "Axes understood",
        "Filter purpose matched",
        "Cost identified"
      ],
      "assessed_focus": "Demonstrate the relevant controls or file operations and explain what changes at the input and output.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U11-L03",
      "lesson_number": 43,
      "title": "Make one change",
      "assignment": "Baseline/revision, settings and a reason tied to the phrase.",
      "practice_steps": [
        "Write the time window and desired improvement.",
        "Save a baseline and make one broad EQ adjustment on a copy.",
        "Compare in solo for diagnosis and in context for the decision.",
        "Record the actual frequency, gain and bandwidth/shape where shown."
      ],
      "evidence_requirement": "Retain the starting state, the proposed change and its result. Explain what the test established and what you would try next.",
      "standards": [
        "design"
      ],
      "assessment_criteria": [
        "Goal audible and located",
        "One change isolated",
        "Settings retained",
        "Context comparison made"
      ],
      "assessed_focus": "State the problem and expected result, test a controlled change, and use the result to choose the next action.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U11-L04",
      "lesson_number": 44,
      "title": "Compare and reject excess",
      "assignment": "Three-state decision note with the chosen version and a located cost.",
      "practice_steps": [
        "Make a deliberately stronger version on a duplicate, never the only source.",
        "Reduce playback bias with output trim or consistent teacher-controlled comparison.",
        "Name a specific cost of the excessive version.",
        "Choose baseline or correction and retain the rejected test as evidence."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Comparison window fixed",
        "Loudness bias addressed",
        "Excess cost identified",
        "Choice defended"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U12-L01",
      "lesson_number": 45,
      "title": "Hear the peaks",
      "assignment": "Located peak/body observations and a processing goal.",
      "practice_steps": [
        "Listen to both examples at a comfortable monitor setting.",
        "Locate one brief peak and one sustained section.",
        "Predict which might trigger a compressor intermittently versus continuously.",
        "Write a musical reason to preserve or reduce the peak."
      ],
      "evidence_requirement": "Add a labeled sketch explaining the sound behavior you observed, and cite the relevant lesson or source. Separate a listening observation from a physical measurement.",
      "standards": [
        "sound"
      ],
      "assessment_criteria": [
        "Peak located",
        "Body described",
        "Behavior prediction sensible",
        "Goal musical"
      ],
      "assessed_focus": "Connect the observed sound to its physical or digital cause and use a labeled sketch or graphic to explain it.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U12-L02",
      "lesson_number": 46,
      "title": "Set threshold and ratio",
      "assignment": "Calculation, settings/status and a description of reduction timing.",
      "practice_steps": [
        "Calculate the simple 8 dB over/4:1 result.",
        "On a duplicate, choose a moderate ratio and lower threshold until some peaks trigger reduction, or analyze the supplied pair.",
        "Observe when reduction occurs and when it recovers.",
        "Record settings and whether you operated a compressor or analyzed renders."
      ],
      "evidence_requirement": "Demonstrate the operation yourself where equipment is available. Identify the controls used and verify the result; keep proposed operations separate from completed demonstrations.",
      "standards": [
        "tech"
      ],
      "assessment_criteria": [
        "Model calculation correct",
        "Threshold purpose understood",
        "Reduction observed",
        "Practical status stated"
      ],
      "assessed_focus": "Demonstrate the relevant controls or file operations and explain what changes at the input and output.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U12-L03",
      "lesson_number": 47,
      "title": "Compare attack and release",
      "assignment": "Two separate timing comparisons or clearly labeled render analysis.",
      "practice_steps": [
        "Save the baseline compressor state.",
        "Change only attack and compare the same passage.",
        "Restore attack, then change only release on a new version where available.",
        "Choose settings based on a located benefit and cost, not labels such as professional."
      ],
      "evidence_requirement": "Retain the starting state, the proposed change and its result. Explain what the test established and what you would try next.",
      "standards": [
        "design"
      ],
      "assessment_criteria": [
        "Attack test isolated",
        "Release test isolated",
        "Event context heard",
        "Tradeoff described"
      ],
      "assessed_focus": "State the problem and expected result, test a controlled change, and use the result to choose the next action.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U12-L04",
      "lesson_number": 48,
      "title": "Match output and judge",
      "assignment": "Fair-comparison note and chosen audio with a reason.",
      "practice_steps": [
        "Choose a short repeated comparison window.",
        "Bring output playback levels reasonably close without changing the original recording gain.",
        "Identify one envelope difference that remains.",
        "Select dry or processed and export the chosen version with the full ending."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Window fixed",
        "Level bias addressed",
        "Envelope difference located",
        "Choice exported and checked"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U13-L01",
      "lesson_number": 49,
      "title": "Hear the direct sound",
      "assignment": "A dry-sound description and a space-design goal.",
      "practice_steps": [
        "Describe the dry phrase and one important pause.",
        "Compare distinct repeats with the dense reflection model.",
        "Choose an intended role for the effect.",
        "State a feature that must remain audible after processing."
      ],
      "evidence_requirement": "Add a labeled sketch explaining the sound behavior you observed, and cite the relevant lesson or source. Separate a listening observation from a physical measurement.",
      "standards": [
        "sound"
      ],
      "assessment_criteria": [
        "Dry baseline described",
        "Repeats/tail distinguished",
        "Role stated",
        "Protected feature identified"
      ],
      "assessed_focus": "Connect the observed sound to its physical or digital cause and use a labeled sketch or graphic to explain it.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U13-L02",
      "lesson_number": 50,
      "title": "Trace a send and return",
      "assignment": "Route drawing and a mute-test result or labeled analysis.",
      "practice_steps": [
        "Draw source → main mix and source → send → effect → return → main mix.",
        "Build that route where supported or annotate the drawing beside supplied audio.",
        "Mute the return and confirm the dry signal remains.",
        "Identify whether the send is pre- or post-fader if the application exposes it."
      ],
      "evidence_requirement": "Label the parts, connections and direction of flow. Use the model to explain one result or predict the effect of a specific change.",
      "standards": [
        "model"
      ],
      "assessment_criteria": [
        "Two paths clear",
        "Return role understood",
        "Mute test documented",
        "Actual capability stated"
      ],
      "assessed_focus": "Identify the parts and connections, then use the diagram or sequence to explain or isolate a problem.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U13-L03",
      "lesson_number": 51,
      "title": "Set a delay or reverb",
      "assignment": "Baseline/revision or render-analysis note with one time-variable explanation.",
      "practice_steps": [
        "Choose a delay or reverb for your stated goal.",
        "Save a baseline and change only repeat time or decay.",
        "Keep blend/output fixed while comparing.",
        "Record the setting, audible result and one tradeoff in clarity."
      ],
      "evidence_requirement": "Retain the starting state, the proposed change and its result. Explain what the test established and what you would try next.",
      "standards": [
        "design"
      ],
      "assessment_criteria": [
        "Control correctly named",
        "One variable isolated",
        "Gaps listened through",
        "Tradeoff stated"
      ],
      "assessed_focus": "State the problem and expected result, test a controlled change, and use the result to choose the next action.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U13-L04",
      "lesson_number": 52,
      "title": "Preserve the phrase and tail",
      "assignment": "Dry/final files and an export-boundary check.",
      "practice_steps": [
        "Mark the final performed event and the intended tail end.",
        "Export with enough time for the chosen decay.",
        "Play the file in a separate player, checking beginning and ending.",
        "Retain dry and wet versions with clear labels."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Tail evaluated",
        "Range deliberate",
        "External playback checked",
        "Dry source retained"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U14-L01",
      "lesson_number": 53,
      "title": "Set the static balance",
      "assignment": "Static mix and one sentence naming each part’s role.",
      "practice_steps": [
        "Import stems at a common start.",
        "Set an intended foreground and bring up its level comfortably.",
        "Add support gradually and reduce competition where needed.",
        "Save a no-processing balance and describe the hierarchy."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Common start preserved",
        "Foreground intentional",
        "Support balanced",
        "Baseline saved"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U14-L02",
      "lesson_number": 54,
      "title": "Place the sources",
      "assignment": "Placement note and two mix versions.",
      "practice_steps": [
        "Save the centered balance.",
        "Move one supporting source and leave the foreground stable.",
        "Compare stereo with a teacher-provided mono sum where available.",
        "Keep or reduce the move based on clarity and delivery needs."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Baseline retained",
        "One move isolated",
        "Reason connected to role",
        "Mono status reported"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U14-L03",
      "lesson_number": 55,
      "title": "Process for one reason",
      "assignment": "One processing decision with baseline/revision and a located reason.",
      "practice_steps": [
        "Write the symptom and the intended improvement.",
        "Choose one processing domain and justify it.",
        "Make a conservative test with the baseline recoverable.",
        "Compare and retain the version with the stronger evidence."
      ],
      "evidence_requirement": "Retain the starting state, the proposed change and its result. Explain what the test established and what you would try next.",
      "standards": [
        "design"
      ],
      "assessment_criteria": [
        "Problem located",
        "Tool choice reasoned",
        "Test controlled",
        "Decision evidence clear"
      ],
      "assessed_focus": "State the problem and expected result, test a controlled change, and use the result to choose the next action.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U14-L04",
      "lesson_number": 56,
      "title": "Check on another playback system",
      "assignment": "Translation log and a prioritized decision.",
      "practice_steps": [
        "Name both systems and use the identical export.",
        "Write one observation on each before editing.",
        "Choose one recurring issue or justify leaving the mix alone.",
        "Test a revision and record both results; label a missing second-system test honestly."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Same file used",
        "Systems documented",
        "Priority justified",
        "Retest/status clear"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U15-L01",
      "lesson_number": 57,
      "title": "Name and collect the files",
      "assignment": "File-role inventory and organized handoff copy.",
      "practice_steps": [
        "List original, edited, project and final file roles.",
        "Copy needed media into an approved handoff location using supported collection tools.",
        "Use clear file names and a version number so you can tell the files apart.",
        "Open two files by their names to check that labels match."
      ],
      "evidence_requirement": "List the working files and their purposes. Reopen the saved or transferred copy and record the playback result.",
      "standards": [
        "archive"
      ],
      "assessment_criteria": [
        "Roles distinguished",
        "Dependencies collected",
        "Versions clear",
        "Labels verified"
      ],
      "assessed_focus": "Identify each file’s purpose, preserve the source material and verify that the transferred or reopened project works.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U15-L02",
      "lesson_number": 58,
      "title": "Record sources and roles",
      "assignment": "Source and contribution record linked to filenames.",
      "practice_steps": [
        "List every source used in the mix.",
        "Name creator/contributor roles and any editing.",
        "Record permitted use or mark unresolved permission for teacher review.",
        "Document missing or non-transferable instrument/sample dependencies."
      ],
      "evidence_requirement": "Keep an individual role record alongside the shared project. Describe one contribution, one handoff and how the group checked the result.",
      "standards": [
        "team"
      ],
      "assessment_criteria": [
        "All sources listed",
        "Roles credited",
        "Permission status specific",
        "Dependencies stated"
      ],
      "assessed_focus": "Record each person’s responsibility and contribution and show how the group completed the shared task.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U15-L03",
      "lesson_number": 59,
      "title": "Export the requested format",
      "assignment": "Final audio with actual format properties and checklist.",
      "practice_steps": [
        "Copy the brief into a checklist.",
        "Set the supported export parameters and full range.",
        "Export a named file and inspect its actual properties.",
        "Record any approved alternative and verify playback."
      ],
      "evidence_requirement": "Demonstrate the operation yourself where equipment is available. Identify the controls used and verify the result; keep proposed operations separate from completed demonstrations.",
      "standards": [
        "tech"
      ],
      "assessment_criteria": [
        "Brief read",
        "Actual format checked",
        "Range correct",
        "Limits disclosed"
      ],
      "assessed_focus": "Demonstrate the relevant controls or file operations and explain what changes at the input and output.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U15-L04",
      "lesson_number": 60,
      "title": "Test recovery",
      "assignment": "Recovery record with actual observed results.",
      "practice_steps": [
        "Open from the copied location after closing the working session.",
        "Confirm source media and edit positions.",
        "Play the exported reference separately.",
        "Document pass, failure, correction and retest without hiding missing dependencies."
      ],
      "evidence_requirement": "List the working files and their purposes. Reopen the saved or transferred copy and record the playback result.",
      "standards": [
        "archive"
      ],
      "assessment_criteria": [
        "Copied package opened",
        "Sources verified",
        "Reference compared",
        "Retest documented"
      ],
      "assessed_focus": "Identify each file’s purpose, preserve the source material and verify that the transferred or reopened project works.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U16-L01",
      "lesson_number": 61,
      "title": "Pitch the idea",
      "assignment": "Project brief, role plan and three success criteria.",
      "practice_steps": [
        "Write a 30–60-second brief with listener and purpose.",
        "Choose foreground and support roles.",
        "List the available source, input and recording time.",
        "Define three observable success criteria including recovery."
      ],
      "evidence_requirement": "Prepare the presentation digitally and identify its intended recipient. Explain why you chose these examples and this format.",
      "standards": [
        "audience"
      ],
      "assessment_criteria": [
        "Purpose specific",
        "Roles feasible",
        "Constraints explicit",
        "Success observable"
      ],
      "assessed_focus": "Identify the intended recipient and adapt the selection, format and explanation to that recipient’s needs.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U16-L02",
      "lesson_number": 62,
      "title": "Prepare the session",
      "assignment": "Session setup record and replayed test.",
      "practice_steps": [
        "Draw the actual capture and monitoring route.",
        "Prepare named tracks and an original-takes location.",
        "Record and replay a short test with representative peaks.",
        "Correct one preparation issue and retest before the full take."
      ],
      "evidence_requirement": "Keep the plan in a digital document. Include the intended result, resources, timing and a response to one likely change.",
      "standards": [
        "plan"
      ],
      "assessment_criteria": [
        "Route actual",
        "Versions prepared",
        "Test captured and replayed",
        "Correction verified"
      ],
      "assessed_focus": "Use a digital plan to connect the intended result to available time, equipment, people and a workable fallback.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U16-L03",
      "lesson_number": 63,
      "title": "Capture the foundation",
      "assignment": "Two sources, condition log and selected foundation.",
      "practice_steps": [
        "Record two complete options under documented conditions.",
        "Label performance or engineering variables changed between them.",
        "Save untouched originals.",
        "Choose a foundation using two located observations."
      ],
      "evidence_requirement": "Keep the original recording, setup details and playback check. A proposed setup or supplied recording does not demonstrate your own capture skill.",
      "standards": [
        "capture"
      ],
      "assessment_criteria": [
        "Options complete",
        "Variables documented",
        "Originals retained",
        "Choice evidence located"
      ],
      "assessed_focus": "Select and connect the equipment, record the planned material, and replay it to verify the capture.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U16-L04",
      "lesson_number": 64,
      "title": "Review the evidence",
      "assignment": "Capture review and retake decision with evidence.",
      "practice_steps": [
        "Mark three observations with times.",
        "Classify each as acceptable, editable or recapture needed.",
        "Retake the highest-priority capture problem if feasible.",
        "Save the revised foundation and next editing action."
      ],
      "evidence_requirement": "Keep the original recording, setup details and playback check. A proposed setup or supplied recording does not demonstrate your own capture skill.",
      "standards": [
        "capture"
      ],
      "assessment_criteria": [
        "Whole take reviewed",
        "Issues prioritized",
        "Repair domain sensible",
        "Next action documented"
      ],
      "assessed_focus": "Select and connect the equipment, record the planned material, and replay it to verify the capture.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U17-L01",
      "lesson_number": 65,
      "title": "Finish the arrangement",
      "assignment": "Edited arrangement and boundary/recovery check.",
      "practice_steps": [
        "Select the foundation and optional supporting material.",
        "Build the agreed short form on copies.",
        "Check boundaries, attacks and decays.",
        "Save the arrangement and demonstrate access to an original take."
      ],
      "evidence_requirement": "Retain the editable arrangement and its starting ideas. Explain how their placement or combination establishes the larger musical form.",
      "standards": [
        "arrange"
      ],
      "assessment_criteria": [
        "Form clear",
        "Joins checked",
        "Phrasing preserved",
        "Original recovered"
      ],
      "assessed_focus": "Show which musical ideas were selected and how their order, combination or development creates a larger work.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U17-L02",
      "lesson_number": 66,
      "title": "Make a first mix",
      "assignment": "First mix and decision notes.",
      "practice_steps": [
        "Build a static balance from the edited arrangement.",
        "Make at most two justified processing tests.",
        "Check for overload and cutoff endings.",
        "Export v 01 and record three decisions with locations."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Hierarchy intentional",
        "Processing reasoned",
        "Whole mix checked",
        "Review version fixed"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U17-L03",
      "lesson_number": 67,
      "title": "Turn feedback into a test",
      "assignment": "Feedback, hypothesis and baseline/revision evidence.",
      "practice_steps": [
        "Collect one located observation from a peer or teacher.",
        "Write a testable hypothesis and single change.",
        "Create the revision without overwriting v 01.",
        "Compare both and note whether the predicted improvement occurred."
      ],
      "evidence_requirement": "Keep the feedback, the starting version, and the revised version. Explain which suggestion you accepted and why.",
      "standards": [
        "feedback"
      ],
      "assessment_criteria": [
        "Feedback located",
        "Hypothesis testable",
        "Variable isolated",
        "Result assessed"
      ],
      "assessed_focus": "Request focused feedback through a digital tool, retain the response, and explain the change made or declined.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U17-L04",
      "lesson_number": 68,
      "title": "Choose the revision",
      "assignment": "Approval record and chosen mix.",
      "practice_steps": [
        "Apply the three original success criteria to both versions.",
        "Name one improvement and one remaining limitation.",
        "Choose the delivery version and label it clearly.",
        "Retain the rejected version and its reason."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Same criteria used",
        "Improvement evidenced",
        "Limitation stated",
        "Version selection clear"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U18-L01",
      "lesson_number": 69,
      "title": "Package the sources",
      "assignment": "Complete final package and readable manifest.",
      "practice_steps": [
        "Collect the agreed final and source files.",
        "List file roles, versions, tempo where relevant and dependencies.",
        "Add source credits and decision notes.",
        "Copy the package to the approved delivery location."
      ],
      "evidence_requirement": "List the working files and their purposes. Reopen the saved or transferred copy and record the playback result.",
      "standards": [
        "archive"
      ],
      "assessment_criteria": [
        "Final unambiguous",
        "Sources included",
        "Dependencies/credits present",
        "Package copied"
      ],
      "assessed_focus": "Identify each file’s purpose, preserve the source material and verify that the transferred or reopened project works.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U18-L02",
      "lesson_number": 70,
      "title": "Play outside the session",
      "assignment": "Final verification record with retest results.",
      "practice_steps": [
        "Inspect actual file properties against the brief.",
        "Play beginning, middle and full ending independently.",
        "Test an available second playback system.",
        "Correct and re-export any failure, then repeat the affected checks."
      ],
      "evidence_requirement": "List the working files and their purposes. Reopen the saved or transferred copy and record the playback result.",
      "standards": [
        "archive"
      ],
      "assessment_criteria": [
        "Properties verified",
        "Independent playback",
        "Second-system status clear",
        "Fix retested"
      ],
      "assessed_focus": "Identify each file’s purpose, preserve the source material and verify that the transferred or reopened project works.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U18-L03",
      "lesson_number": 71,
      "title": "Show the change",
      "assignment": "A concise demonstration with paired evidence.",
      "practice_steps": [
        "Select one source/edit or mix comparison.",
        "Name the changed variable and relevant time window.",
        "Explain what improved or why the test was rejected.",
        "Provide accessible text notes or a transcript alongside audio."
      ],
      "evidence_requirement": "Name the musical aim and two listening criteria. Mark the exact passage supporting your decision; explain one benefit and one cost of the chosen version.",
      "standards": [
        "compare"
      ],
      "assessment_criteria": [
        "Claim located",
        "Comparison usable",
        "Reasoning connects result",
        "Explanation accessible"
      ],
      "assessed_focus": "Name the musical purpose, compare the same passage fairly, and support the decision with audible details.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-U18-L04",
      "lesson_number": 72,
      "title": "Curate the portfolio",
      "assignment": "Curated portfolio and next-skill plan.",
      "practice_steps": [
        "Choose early, final and recovery evidence.",
        "Explain one technical and one listening improvement.",
        "Identify a skill that remains unassessed or uncertain.",
        "Set a next exercise with an observable success condition."
      ],
      "evidence_requirement": "Add a brief annotation to each selected item: your role, the task, a decision you made, the result and one skill to develop next.",
      "standards": [
        "portfolio"
      ],
      "assessment_criteria": [
        "Growth evidenced",
        "Artifacts curated",
        "Limits honest",
        "Next target observable"
      ],
      "assessed_focus": "Select relevant work, identify individual contributions, and explain the process, result and next learning step.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    },
    {
      "id": "AER1-FINAL",
      "lesson_number": 73,
      "title": "Final portfolio and practical review",
      "assignment": "Portfolio evidence references, final handoff/recovery result, practical-skill record and next learning step.",
      "practice_steps": [
        "Locate evidence from the course tasks or modules for each final criterion. Include the original, a justified revision, and the verification result.",
        "Preserve the listening copy, editable recovery materials and applicable source permissions. Use your teacher-selected DAW.",
        "Name skills operated independently, skills completed with assistance and skills only analyzed. Arrange required practical opportunities before asking for final acceptance.",
        "Present your decisions in accessible text or a school-approved recording with a transcript. The reviewer must be able to inspect the evidence."
      ],
      "evidence_requirement": "Add a brief annotation to each selected item: your role, the task, a decision you made, the result and one skill to develop next.",
      "standards": [
        "portfolio"
      ],
      "assessment_criteria": [
        "Brief and intent",
        "Documented capture or analysis scope",
        "Source preservation",
        "Editing continuity",
        "Processing and listening judgment",
        "Controlled revision after feedback",
        "Delivery and recovery",
        "Accessible explanation and source credits"
      ],
      "assessed_focus": "Select relevant work, identify individual contributions, and explain the process, result and next learning step.",
      "alignment_scope": "The named work assesses this part of the standard; consult the official source for its complete scope."
    }
  ],
  "teacher_assessment": {
    "instructions": "Assess the work named in each row. Record the file or portfolio entry, the criterion, the result and the next action. Use a practical observation for equipment operation. Give feedback on the learner’s decisions as well as the finished result.",
    "levels": {
      "3": "Criterion met, with independent verification or a successful application in another situation.",
      "2": "Criterion met: the required work is complete, accurate and supported by evidence.",
      "1": "Some relevant work is present, but the intended result has not been demonstrated.",
      "0": "The required evidence has not been submitted or demonstrated."
    },
    "self_guided": "Read the evidence requirement before starting. Save the work, check each criterion and revise any missing or unsuccessful part. Use a peer or instructor for tasks that require feedback or a witnessed practical demonstration."
  },
  "teacher_practice": [
    {
      "standard": "teach",
      "task": "Prepare and teach “Deliver something that plays.” Demonstrate the task, then have learners complete it independently.",
      "evidence": "A teaching plan, demonstration or teach-back, and learner work showing the result.",
      "criterion": "State the learning objective, teach a workable activity and show how the resulting student work demonstrates the objective."
    },
    {
      "standard": "adapt",
      "task": "Adapt one practical assignment for a learner with limited equipment, a different way of accessing instructions, or a different way of presenting the result.",
      "evidence": "The original task, the adapted route and the shared assessment criteria.",
      "criterion": "Name a specific access or learning need and provide a usable alternative that preserves the intended skill."
    },
    {
      "standard": "assess",
      "task": "Use “Final portfolio and practical review” to assess the learner’s decisions and finished work. Plan feedback and a second attempt for one unmet criterion.",
      "evidence": "An annotated rubric, specific feedback, revised work and a brief comparison.",
      "criterion": "Score the work against stated criteria, identify the misconception and provide feedback and a suitable next activity."
    }
  ],
  "readiness": {
    "pathway": "build",
    "fit": "About 14–18; a motivated younger learner can start with guidance.",
    "prioritySkills": "Clean capture; editing; routing; musical balance; reliable exports and backups.",
    "priorSkills": "Can save files and identify a musical beginning, middle, and ending.",
    "equipment": "Computer with a DAW, headphones, supplied audio; microphone and interface for capture labs.",
    "expectedTime": "45 planned hours.",
    "teacherGuidance": "Teacher-led for live capture, hearing safety, and practical review; some editing tasks can be independent.",
    "teacherEditionUrl": "/learn/courses/teaching-audio-engineering-recording-1.html"
  }
}
