music/exemplars/formula_cards/UNMATCHED__20_-_Oceanlab.json
{
"schema": "formula-card/v1",
"consumer": "docs/proposals/music/MASTERPIECE_PROGRAM.md rung 2 (the archetype synthesis -> MASTERPIECE_STANDARD.md)",
"tier": "RUNG-1 MEASURED",
"legal_posture": "ANALYSIS FOR UNDERSTANDING ONLY. Audio lawfully obtained by Josh, read from disk, measured, and never copied, redistributed, or used as model input of any kind.",
"track_id": "UNMATCHED__20_-_Oceanlab",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\DeusEx_OST\\deus_ex_soundtrack\\20 - Oceanlab.mp3",
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"lossless_source": false,
"analysis_sample_rate_hz": 22050,
"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-06T21:06:38+00:00",
"format_induced_limit": "lossy source (mp3); high-band timbre figures carry codec artefacts and the card declares it",
"control": {
"controls_passed": 24,
"controls_total": 24,
"ran_at": "2026-08-06T20:41:42+00:00",
"ffmpeg_version": "ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"note": "This measurement is admissible only because the positive control recovered its planted answers in the same process, immediately before it."
},
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}
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"octave_ambiguity_note": "Beat trackers pick a metrical level, and half/double-time readings are a real and known property, not an error -- the rig's own control plants 120 bpm and this estimator returns 60. Every bar figure on this card (time-to-hook in bars, the complexity index's bar length) inherits whichever level was picked, so compare bar counts within a card, never across cards, until rung 2 pins the metrical level per class.",
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"note": "Bar arithmetic on this card uses 4 beats per bar at the baseline tempo. The onset period beside it is MEASURED; the signature is not."
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}
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"modulation_note": "Windowed key agreement below ~0.7 is the modulation signal at rung 1; a pivot-chord map needs symbolic transcription (rung 2)."
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}
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"method_note": "Section 11.1 requires the lane method be declared. Bands are not instruments: two instruments in one octave read as one lane, and one instrument spanning two octaves reads as two. Entry/exit and simultaneity shapes are trustworthy; a roster is not claimed.",
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"peak_position_normalised": 0.3419
}
},
"complexity_law": {
"available": true,
"bar_length_s": 2.229,
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0.8646,
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0.8601,
0.8675,
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0.8283,
0.6561,
0.3664,
0.0138
],
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{
"bar": 10,
"at_s": 22.29,
"delta": -0.182,
"at_section_boundary": false
},
{
"bar": 13,
"at_s": 28.98,
"delta": 0.469,
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},
{
"bar": 39,
"at_s": 86.93,
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},
{
"bar": 40,
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},
{
"bar": 41,
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"delta": -0.353,
"at_section_boundary": false
}
],
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"hypothesis_note": "Section 11.6 expects masterpieces to step complexity AT structural boundaries and hold it flat inside sections. This share is the measurement of that claim on this track; the corpus decides, not us."
},
"texture_and_density": {
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"max_lanes": 9
},
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18.58,
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90.65,
91.39,
92.14,
92.88,
93.62,
94.37,
95.11
]
},
"register": {
"melody_span_semitones": 24.0,
"melody_tessitura_midi": 45.0,
"bass_floor_band": {
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"low_bass": 0.53453,
"bass": 0.17481,
"low_mid": 0.14507,
"mid": 0.04286,
"upper_mid": 0.00577,
"presence": 0.00057,
"brilliance": 0.00051,
"air": 0.00016,
"ultra": 0.0
},
"octave_band_profile": {
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"low_bass": 0.53453,
"bass": 0.17481,
"low_mid": 0.14507,
"mid": 0.04286,
"upper_mid": 0.00577,
"presence": 0.00057,
"brilliance": 0.00051,
"air": 0.00016,
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}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.16653,
"interior_distance_median": 0.00896,
"seam_ratio": 18.59,
"seam_clean": false,
"tail_rms_over_mid": 0.0002,
"head_rms_over_mid": 0.8017,
"tail_rms_trend": -0.8876,
"head_rms_trend": 0.5009,
"baked_fade_out": true,
"baked_fade_in": false
},
"ending": "baked_fade_out",
"cadence_census_note": "A cadence census needs harmonic transcription and is a rung-2 dimension; the seam measurement is what rung 1 can honestly report about how it ends."
},
"timbre": {
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6061.7,
508.2,
396.6,
285.3,
505.9,
687.0,
521.4,
385.7,
357.8,
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346.7,
520.9,
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480.1,
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955.6,
460.8,
430.3,
650.8,
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337.4,
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283.9,
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793.8,
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424.8,
498.4,
1375.6,
881.5,
529.2,
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"signature_colour": "dark"
}
}
}