music/exemplars/formula_cards/UNMATCHED__08_-_Airfield_action.json
{
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"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__08_-_Airfield_action",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\DeusEx_OST\\deus_ex_soundtrack\\08 - Airfield action.mp3",
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"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-06T21:00:10+00:00",
"format_induced_limit": "lossy source (mp3); high-band timbre figures carry codec artefacts and the card declares it",
"control": {
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"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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10.0,
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7.0,
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}
],
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"steps_total": 7,
"boundary_step_share": 0.143,
"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."
},
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"max_lanes": 9
},
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10.4,
11.15,
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25.26,
26.01,
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47.55,
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49.04,
49.78,
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51.27,
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52.76,
53.5,
54.24,
54.98,
55.73,
56.47,
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59.44,
60.19,
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75.05,
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77.28,
78.02,
78.76,
79.51,
80.25
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},
"register": {
"melody_span_semitones": 10.0,
"melody_tessitura_midi": 41.0,
"bass_floor_band": {
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"low_bass": 0.31276,
"bass": 0.52834,
"low_mid": 0.04667,
"mid": 0.01036,
"upper_mid": 0.00188,
"presence": 0.00031,
"brilliance": 0.00227,
"air": 0.00172,
"ultra": 0.0
},
"octave_band_profile": {
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"low_bass": 0.31276,
"bass": 0.52834,
"low_mid": 0.04667,
"mid": 0.01036,
"upper_mid": 0.00188,
"presence": 0.00031,
"brilliance": 0.00227,
"air": 0.00172,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.26607,
"interior_distance_median": 0.00681,
"seam_ratio": 39.051,
"seam_clean": false,
"tail_rms_over_mid": 0.0011,
"head_rms_over_mid": 1.2319,
"tail_rms_trend": -0.9178,
"head_rms_trend": 0.0151,
"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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"spectral_centroid_curve_hz": [
530.6,
437.6,
647.9,
421.0,
572.0,
932.4,
514.9,
505.6,
740.5,
695.8,
355.2,
1080.4,
1134.2,
583.5,
742.3,
1239.6,
745.8,
1427.8,
2042.0,
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1201.6,
1248.3,
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990.5,
1154.0,
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602.9,
873.3,
708.5,
897.8,
980.9,
510.3,
952.7,
2663.6,
1870.4,
1626.7,
1568.9,
1400.2,
1156.3,
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838.9,
1208.8,
934.5,
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1033.7,
1407.6,
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1789.4,
456.2,
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467.4,
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437.6,
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709.9,
618.7,
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1387.0,
838.1,
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1042.0,
652.6,
958.2,
1178.1,
726.4,
893.8,
1002.2,
853.8,
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536.1,
3459.2,
1673.4,
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528.6,
1083.8,
759.4,
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606.7,
1956.8
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"spectral_flatness_mean": 0.00171,
"signature_colour": "dark"
}
}
}