music/exemplars/formula_cards/UNMATCHED__02_Figthter_Select.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__02_Figthter_Select",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\TEKKEN Project & Bandai Namco Game Music\\Tekken 2 (Original Soundtrack)\\02 Figthter Select.m4a",
"sha256": "b0ef34b78975dcb52ffe088c043a41d87e935935028689bf67ebd1aa20573b0b",
"bytes": 1862877,
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"source_codec": "aac",
"source_sample_rate_hz": 44100,
"source_channels": 2,
"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": "2026-08-07T06:02:39+00:00",
"format_induced_limit": "lossy source (aac); 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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}
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{
"position_s": 13.58,
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"shape": "step"
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{
"position_s": 36.25,
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}
],
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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.",
"windowed_tempo_stability": {
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[
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"lane": "brilliance",
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"max": 9,
"mean": 7.836
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"register_spacing_octaves": [
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},
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"at_s": 33.228,
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"bars_held_s": 4.783,
"re_enters_at_s": 38.011
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{
"position": 0.8921,
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{
"position": 0.9234,
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{
"position": 0.9547,
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"breaks": [
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],
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{
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{
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{
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],
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"seconds": 3.017,
"threshold": "40 dB below the track's own p95 RMS",
"note": "Section 11.2 treats rest as a FIRST-CLASS parameter, not an absence."
},
"counts": {
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},
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"time_to_full_texture_bars": 0.05,
"flow_curve": {
"definition": "energy = 0.45*density + 0.35*lane-simultaneity + 0.20*register, each normalised to the track's own maximum (section 11.4)",
"times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94,
6.69,
7.43,
8.17,
8.92,
9.66,
10.4,
11.15,
11.89,
12.63,
13.37,
14.12,
14.86,
15.6,
16.35,
17.09,
17.83,
18.58,
19.32,
20.06,
20.81,
21.55,
22.29,
23.03,
23.78,
24.52,
25.26,
26.01,
26.75,
27.49,
28.24,
28.98,
29.72,
30.46,
31.21,
31.95,
32.69,
33.44,
34.18,
34.92,
35.67,
36.41,
37.15,
37.89
],
"values": [
0.3043,
0.628,
0.678,
0.6924,
0.6854,
0.6524,
0.672,
0.689,
0.6774,
0.6755,
0.6967,
0.6898,
0.6757,
0.6681,
0.6716,
0.6616,
0.6711,
0.6792,
0.6753,
0.6806,
0.6633,
0.677,
0.6653,
0.6708,
0.6924,
0.6736,
0.6905,
0.6682,
0.6698,
0.6795,
0.6819,
0.6903,
0.6844,
0.676,
0.679,
0.6951,
0.6699,
0.6701,
0.6877,
0.6915,
0.6705,
0.6679,
0.676,
0.6451,
0.5766,
0.4594,
0.0759,
0.0714,
0.0341,
0.079,
0.196,
0.194
],
"peak_position_normalised": 0.4627
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.8576,
"bars": 20,
"index_per_bar": [
0.9832,
0.993,
0.984,
0.9942,
0.9857,
0.9994,
0.9927,
1.0,
0.9974,
0.9931,
0.9891,
0.9953,
0.9864,
0.9969,
0.9926,
0.9942,
0.9956,
0.9892,
0.4531,
0.0259
],
"definition": "lane count + 4*harmonic change rate + 0.6*onset strength + 0.4*register span, per bar, normalised to the track's own maximum (section 11.6)",
"step_map": [
{
"bar": 18,
"at_s": 33.44,
"delta": -0.536,
"at_section_boundary": false
},
{
"bar": 19,
"at_s": 35.29,
"delta": -0.427,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 0,
"steps_total": 2,
"boundary_step_share": 0.0,
"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": {
"note_rate_per_s": 1.606,
"melodic_salience": 0.7702,
"voiced_fraction": 0.3741,
"note_count": 62,
"mean_lanes": 7.836,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 29.37,
"peak_position_normalised": 0.0,
"peak_at_s": 0.0,
"arc_curve_db": [
-10.6,
-16.37,
-11.53,
-11.53,
-11.26,
-11.09,
-11.62,
-11.49,
-11.65,
-11.41,
-10.95,
-11.36,
-11.13,
-11.34,
-11.11,
-11.01,
-11.42,
-11.14,
-11.23,
-11.03,
-11.31,
-11.82,
-11.37,
-11.32,
-11.32,
-11.37,
-11.69,
-11.38,
-11.23,
-11.45,
-11.39,
-11.33,
-11.17,
-10.94,
-11.25,
-11.21,
-11.36,
-11.21,
-10.9,
-11.27,
-11.2,
-11.61,
-11.57,
-12.06,
-16.34,
-23.06,
-30.93,
-38.84,
-54.83,
-84.24,
-104.28,
-104.22
],
"arc_times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94,
6.69,
7.43,
8.17,
8.92,
9.66,
10.4,
11.15,
11.89,
12.63,
13.37,
14.12,
14.86,
15.6,
16.35,
17.09,
17.83,
18.58,
19.32,
20.06,
20.81,
21.55,
22.29,
23.03,
23.78,
24.52,
25.26,
26.01,
26.75,
27.49,
28.24,
28.98,
29.72,
30.46,
31.21,
31.95,
32.69,
33.44,
34.18,
34.92,
35.67,
36.41,
37.15,
37.89
]
},
"register": {
"melody_span_semitones": 10.0,
"melody_tessitura_midi": 38.0,
"bass_floor_band": {
"sub": 0.05105,
"low_bass": 0.30295,
"bass": 0.32936,
"low_mid": 0.09218,
"mid": 0.04194,
"upper_mid": 0.03737,
"presence": 0.0382,
"brilliance": 0.08872,
"air": 0.00874,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.05105,
"low_bass": 0.30295,
"bass": 0.32936,
"low_mid": 0.09218,
"mid": 0.04194,
"upper_mid": 0.03737,
"presence": 0.0382,
"brilliance": 0.08872,
"air": 0.00874,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.99759,
"interior_distance_median": 0.02088,
"seam_ratio": 47.779,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.7921,
"tail_rms_trend": 0.1803,
"head_rms_trend": 0.4291,
"baked_fade_out": false,
"baked_fade_in": false
},
"ending": "through_or_loop",
"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": {
"spectral_centroid_hz_mean": 2714.3,
"spectral_centroid_curve_hz": [
9602.7,
2499.9,
2408.7,
3034.6,
2594.2,
3097.3,
2112.3,
3078.1,
2305.8,
2203.2,
3154.6,
2549.8,
1977.3,
1380.7,
1559.0,
1119.7,
1636.7,
2288.5,
1696.4,
2168.2,
1450.3,
2493.9,
2058.7,
2161.9,
3122.3,
1947.0,
3116.3,
2097.2,
2310.0,
2540.1,
2431.2,
2782.5,
2468.0,
2281.8,
1955.4,
2890.4,
1646.3,
1829.3,
2866.1,
2476.4,
1815.3,
1898.4,
2413.5,
2414.2,
2385.7,
3070.3,
1834.6,
2893.2,
1483.5,
4008.2,
10090.8,
9986.8
],
"spectral_rolloff85_hz_mean": 5118.9,
"spectral_flatness_mean": 0.02317,
"signature_colour": "bright"
}
}
}