{
  "schema_version": "1.0.0",
  "task_id": "ICUX-007",
  "title": "Sound and Acoustic Worlds Archive",
  "published_path": "/experiences/icux-007/",
  "reality_label": "procedural_acoustic_studies",
  "documentary_recording_count": 0,
  "procedural_listening_example_count": 12,
  "visual_text_study_count": 12,
  "autoplay": false,
  "generated_on": "2026-09-12",
  "analysis_note": "All waveforms and spectra are derived from the exact shipped WAV bytes. No graphic is presented as a measurement of a real room, instrument, animal, place, or event.",
  "studies": [
    {
      "sound_id": "icux007-room-01",
      "title": "Compact room — close reflections",
      "category": "rooms",
      "category_label": "Rooms",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:room-01",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "Three impulse clusters reveal a tight pattern: direct sound first, then closely spaced reflections, then a short tail.",
        "cues": [
          {
            "start": 0.0,
            "text": "Initial impulse and direct energy."
          },
          {
            "start": 2.65,
            "text": "Several close reflections arrive quickly."
          },
          {
            "start": 5.3,
            "text": "Short tail fades; the pattern repeats."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Model the audible spacing between a source event and early reflections in a compact interior.",
      "audio_file": "/experiences/icux-007/media/room-01.wav",
      "audio_sha256": "5384f81d957684d4cc30f44e02f8a002c8473440052dc7fb6448a9cf7afccc17",
      "visual_file": "/experiences/icux-007/media/room-01.svg",
      "visual_sha256": "db6316a77cf1d00904fb30dfa5d5d90a6571fd34aefb0f6a8bc5d28f3799c9a4",
      "source": {
        "source_id": "source:icux-007:room-01",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-01",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-room-02",
      "title": "Long corridor — repeating echo",
      "category": "rooms",
      "category_label": "Rooms",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:room-02",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "A dry impulse is followed by evenly spaced, diminishing repeats. This is an illustrative echo study, not a measurement of a real corridor.",
        "cues": [
          {
            "start": 0.0,
            "text": "Dry impulse."
          },
          {
            "start": 2.65,
            "text": "Repeated delays step away in time."
          },
          {
            "start": 5.3,
            "text": "Echo energy decays before the next demonstration."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Make discrete delay spacing easy to hear and see.",
      "audio_file": "/experiences/icux-007/media/room-02.wav",
      "audio_sha256": "d8304b3f4fb1b38775e458650d17e9bc523f4cdc25adcf78e935e9bb1fc7ef9d",
      "visual_file": "/experiences/icux-007/media/room-02.svg",
      "visual_sha256": "f5f2b422aa4ae4021d8897984a875e7c5bd02612ba06f024d3d84f932146688e",
      "source": {
        "source_id": "source:icux-007:room-02",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-02",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-room-03",
      "title": "Stairwell — resonant tail",
      "category": "rooms",
      "category_label": "Rooms",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:room-03",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "A broad impulse excites several modeled resonances that ring at different rates. The tones are synthetic and intentionally exaggerated for comparison.",
        "cues": [
          {
            "start": 0.0,
            "text": "Impulse excites the model."
          },
          {
            "start": 2.65,
            "text": "Low and mid resonances linger."
          },
          {
            "start": 5.3,
            "text": "The tail thins toward silence."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Contrast a sharp excitation with a longer resonant decay.",
      "audio_file": "/experiences/icux-007/media/room-03.wav",
      "audio_sha256": "dc6ec660c7f4db01da80c3f23d29a237ac97e405b2b277d316ef5be3c9f013e7",
      "visual_file": "/experiences/icux-007/media/room-03.svg",
      "visual_sha256": "e3bc61ee30d162ab0ef9b8fb1693dde1cb1826ccb1b680c29558f7a5e7460c2b",
      "source": {
        "source_id": "source:icux-007:room-03",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-03",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-room-04",
      "title": "Curtained stage — damped response",
      "category": "rooms",
      "category_label": "Rooms",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:room-04",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "Short noise bursts collapse quickly, with only a small modeled reflection and low-frequency body remaining.",
        "cues": [
          {
            "start": 0.0,
            "text": "Broad burst begins."
          },
          {
            "start": 2.65,
            "text": "High-frequency energy disappears quickly."
          },
          {
            "start": 5.3,
            "text": "A small low tail remains, then clears."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Illustrate a short, highly damped response rather than a live room.",
      "audio_file": "/experiences/icux-007/media/room-04.wav",
      "audio_sha256": "fc5f5b14663d37764dfef6ab6b88340a0eb22c7a3a09c0eaade572f933779732",
      "visual_file": "/experiences/icux-007/media/room-04.svg",
      "visual_sha256": "9a24330e8ebcb215e531881da8fb2b5f4caefd79bc63b83c59c90d14bfc56aca",
      "source": {
        "source_id": "source:icux-007:room-04",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-04",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-instrument-01",
      "title": "Plucked string — repeating energy loss",
      "category": "instruments",
      "category_label": "Instruments",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:instrument-01",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "Three procedural plucks use a feedback-string model. Each begins noisy and bright, then loses high-frequency energy as the vibration decays.",
        "cues": [
          {
            "start": 0.0,
            "text": "Pluck attack: wide initial spectrum."
          },
          {
            "start": 2.65,
            "text": "String-like repetition settles into pitch."
          },
          {
            "start": 5.3,
            "text": "Energy decays before the next note."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Show an idealized plucked-string envelope and spectral thinning.",
      "audio_file": "/experiences/icux-007/media/instrument-01.wav",
      "audio_sha256": "e46737ef6310771e811c63427f5a696f6223d0d0777f698da41ab44a001c0615",
      "visual_file": "/experiences/icux-007/media/instrument-01.svg",
      "visual_sha256": "2c95d2aa7cbacc046a9bb5abf269a2a9726dc70349306c171b088b9b36847b95",
      "source": {
        "source_id": "source:icux-007:instrument-01",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-05",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-instrument-02",
      "title": "Glass-like tone — inharmonic partials",
      "category": "instruments",
      "category_label": "Instruments",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:instrument-02",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "A bell-like synthetic tone stacks a fundamental with deliberately inharmonic partials. The result is a clear example of a spectrum that is not a simple harmonic ladder.",
        "cues": [
          {
            "start": 0.0,
            "text": "Fundamental and partials begin together."
          },
          {
            "start": 2.65,
            "text": "Higher partials fade faster."
          },
          {
            "start": 5.3,
            "text": "Lower components remain audible longest."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Expose multiple decaying partials in one sound.",
      "audio_file": "/experiences/icux-007/media/instrument-02.wav",
      "audio_sha256": "7223b9f4943073bee6729fb9b66807e27f91913dbd2abbcda1bf24e81e17ec25",
      "visual_file": "/experiences/icux-007/media/instrument-02.svg",
      "visual_sha256": "b99b6f5287bcc3dbf56755da6555e0de820d7ce8348d46742f7c02cdb4960679",
      "source": {
        "source_id": "source:icux-007:instrument-02",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-06",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-instrument-03",
      "title": "Frame-drum model — pitch drop",
      "category": "instruments",
      "category_label": "Instruments",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:instrument-03",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "Each hit combines a short noise attack with a low oscillator that falls in pitch while decaying.",
        "cues": [
          {
            "start": 0.0,
            "text": "Attack burst marks the strike."
          },
          {
            "start": 2.65,
            "text": "Low body bends downward in pitch."
          },
          {
            "start": 5.3,
            "text": "Decay ends before the next hit."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Make attack noise, low body and pitch glide visible as separate features.",
      "audio_file": "/experiences/icux-007/media/instrument-03.wav",
      "audio_sha256": "ca359e5dfe8279b83687010c5883738c9886d7bc5df38cea8f8b083cf569623b",
      "visual_file": "/experiences/icux-007/media/instrument-03.svg",
      "visual_sha256": "7157e00057320c741c4b8f95115b1f781ca4d638e8e86753436173e0c8a138b6",
      "source": {
        "source_id": "source:icux-007:instrument-03",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-07",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-instrument-04",
      "title": "Reed-like tone — harmonic stack",
      "category": "instruments",
      "category_label": "Instruments",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:instrument-04",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "A synthetic reed study combines a fundamental, several harmonics, light vibrato and low-level breath noise. It is not a recording of any instrument.",
        "cues": [
          {
            "start": 0.0,
            "text": "Tone begins with harmonic stack."
          },
          {
            "start": 2.65,
            "text": "Vibrato gently moves the partials."
          },
          {
            "start": 5.3,
            "text": "Breath-like noise sits beneath the sustained tone."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Compare sustained harmonic energy with a small noise component.",
      "audio_file": "/experiences/icux-007/media/instrument-04.wav",
      "audio_sha256": "35a1fa40f8a149db2883b4db4dd299e8e51395929060ab1a2b779520b8f595fa",
      "visual_file": "/experiences/icux-007/media/instrument-04.svg",
      "visual_sha256": "e2a51fe52a7c9cdad09b5ba4686dd0b006ac004d8187989687050a5e8d532eef",
      "source": {
        "source_id": "source:icux-007:instrument-04",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-08",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-environment-01",
      "title": "Rain texture model — droplets over noise",
      "category": "environments",
      "category_label": "Environments",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:environment-01",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "Deterministic filtered noise forms a soft bed while short sine droplets appear at many positions and pitches. This is an invented weather texture, not field audio.",
        "cues": [
          {
            "start": 0.0,
            "text": "Noise bed establishes the texture."
          },
          {
            "start": 2.65,
            "text": "Short droplet transients scatter across time."
          },
          {
            "start": 5.3,
            "text": "Density stays synthetic and repeatable."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Separate continuous texture from sparse transient events.",
      "audio_file": "/experiences/icux-007/media/environment-01.wav",
      "audio_sha256": "7b86919ad24998c385d9ad2b776650e61fc97bf681939e340628a6a7e41a80c6",
      "visual_file": "/experiences/icux-007/media/environment-01.svg",
      "visual_sha256": "393788b97aa7e40317ade0cfede77a8a46544e372726a88153e47f6f8414142b",
      "source": {
        "source_id": "source:icux-007:environment-01",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-09",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-environment-02",
      "title": "Wind texture model — slow gust envelope",
      "category": "environments",
      "category_label": "Environments",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:environment-02",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "Low-passed noise rises and falls under two slow envelopes, with a quieter high-frequency component on top.",
        "cues": [
          {
            "start": 0.0,
            "text": "Low texture begins quietly."
          },
          {
            "start": 2.65,
            "text": "Modeled gust envelope rises and falls."
          },
          {
            "start": 5.3,
            "text": "Higher hiss remains secondary to the slow motion."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Demonstrate amplitude modulation across a broadband texture.",
      "audio_file": "/experiences/icux-007/media/environment-02.wav",
      "audio_sha256": "610d64892795b64259dd5d8fd07f49498af849593c01d4d0b13d6a052541aa62",
      "visual_file": "/experiences/icux-007/media/environment-02.svg",
      "visual_sha256": "0c4080d616398ba83f997a1d84ed04c57f2bf50e8b8f804ca9b051ae97fc6787",
      "source": {
        "source_id": "source:icux-007:environment-02",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-10",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-environment-03",
      "title": "Night chirp model — clustered pulses",
      "category": "environments",
      "category_label": "Environments",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:environment-03",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "Short high-frequency chirps arrive in small clusters over a faint noise floor. This is a designed timing study, not an animal recording.",
        "cues": [
          {
            "start": 0.0,
            "text": "Background noise floor remains low."
          },
          {
            "start": 2.65,
            "text": "Chirps arrive in compact groups."
          },
          {
            "start": 5.3,
            "text": "Gaps between groups make the rhythm legible."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Compare rhythmic clustering against a nearly steady background.",
      "audio_file": "/experiences/icux-007/media/environment-03.wav",
      "audio_sha256": "791595341da64a5d22bb4a067659b29b56f6411c33f425908ecd8934b39102bd",
      "visual_file": "/experiences/icux-007/media/environment-03.svg",
      "visual_sha256": "a9a5e4e7ec7788378d6d355a6c89f560d81642b69abf450ee14313d3bcaa43ee",
      "source": {
        "source_id": "source:icux-007:environment-03",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-11",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    },
    {
      "sound_id": "icux007-environment-04",
      "title": "Urban rhythm model — pulses and beeps",
      "category": "environments",
      "category_label": "Environments",
      "recording_date": "2026-09-12",
      "duration": 8.0,
      "recording_rights": {
        "rights_id": "rights:icux-007:environment-04",
        "basis": "owned_project_output",
        "creator_institution": "Infinite Concept Universe / ICUX-007 procedural audio generator",
        "external_samples": false,
        "documentary_recording": false,
        "disclosure": "Original deterministic procedural audio generated for ICUX-007. It is an acoustic illustration, not a field, archival, scientific-capture, or instrument-performance recording."
      },
      "transcript": {
        "kind": "sound_description",
        "text": "Broad noise pulses and simple electronic beeps create an abstract crossing rhythm. No city, device or signal is being documented.",
        "cues": [
          {
            "start": 0.0,
            "text": "Noise pulse marks one event class."
          },
          {
            "start": 2.65,
            "text": "Short tone marks a second event class."
          },
          {
            "start": 5.3,
            "text": "Alternation and gaps create the overall rhythm."
          }
        ]
      },
      "analysis_method": "Waveform: 360-bin peak envelope derived from the exact 22.05 kHz mono 16-bit WAV. Spectrum: mean magnitude of Hann-windowed 4096-sample FFT frames, displayed from 20 Hz to 8 kHz on a logarithmic frequency axis. Visuals are analytical graphics, not documentary measurements.",
      "purpose": "Study alternating transient classes in a deliberately fictional urban texture.",
      "audio_file": "/experiences/icux-007/media/environment-04.wav",
      "audio_sha256": "c9b318bc076cc34cdd4df935e15fae867a82f61e852e4a28b51a52af793bfa5f",
      "visual_file": "/experiences/icux-007/media/environment-04.svg",
      "visual_sha256": "b999138651e1a7777875d406da2b3aff1d3177fdf8ac4dbd07c6a7e75590e6d9",
      "source": {
        "source_id": "source:icux-007:environment-04",
        "source_type": "procedural_original",
        "title": "ICUX-007 deterministic synthesis recipe",
        "creator": "Infinite Concept Universe",
        "date": "2026-09-12",
        "identifier": "ICUX-007-12",
        "rights_basis": "Original project output; no external samples or third-party recordings."
      }
    }
  ]
}