music/exemplars/formula_cards/UNMATCHED__33_-_Hong_Kong_helipad.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__33_-_Hong_Kong_helipad",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\DeusEx_OST\\deus_ex_soundtrack\\33 - Hong Kong helipad.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": "2026-08-06T21:15:47+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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"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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"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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78.971,
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[
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[
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86.843
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},
{
"lane": "low_bass",
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"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."
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357.8,
329.9,
1027.0,
1342.1,
333.3,
740.8,
713.5,
351.2,
148.5,
499.1,
335.9,
279.9,
265.5,
265.6,
264.5,
286.8,
375.5,
379.8,
322.1,
349.8,
267.7,
348.1,
323.9,
331.5,
279.7,
243.6,
243.8,
253.9,
268.7,
235.5,
296.1,
351.0,
334.9,
1692.5,
818.6,
641.2,
520.1,
664.5,
2379.9,
601.9,
1488.1,
496.1,
959.3,
377.2,
316.9,
340.5,
387.3,
468.3,
666.5,
582.4,
718.9,
617.3,
589.6,
592.5,
639.0,
735.1,
699.6,
625.8,
644.1,
648.2,
556.5,
559.4,
745.7,
715.4,
503.9,
515.3,
621.2,
403.9,
452.8,
416.2,
469.1,
286.0,
2460.7,
729.3,
1614.6,
1506.8,
1093.5,
483.2,
400.9,
530.4,
470.6,
561.3,
656.6,
819.9,
948.4,
1459.1,
771.2,
1108.6,
760.1,
426.5,
389.4,
374.6,
379.4,
362.8,
339.0,
1465.8,
319.0,
311.1,
1892.8,
940.3,
263.8,
729.2,
416.5,
237.6,
323.6,
313.8,
387.2,
293.1,
264.5,
318.5,
275.1,
326.5,
288.6,
528.2,
325.3,
276.8,
258.1,
256.2,
257.7,
234.2,
297.8,
281.8,
241.8,
277.4,
280.0,
2501.0,
1098.0,
1221.1,
2385.1,
687.8,
393.9,
2679.4,
624.7,
749.0,
559.8,
610.2,
398.4,
230.9,
365.4,
414.8,
463.3,
438.2,
629.2,
605.9,
662.2,
651.3,
597.4,
625.7,
634.0,
964.7,
664.1,
625.7,
539.9,
650.6,
533.1,
695.1,
655.3,
563.6,
488.7,
527.1,
419.4,
560.4
],
"spectral_rolloff85_hz_mean": 1113.9,
"spectral_flatness_mean": 0.00106,
"signature_colour": "dark"
}
}
}