music/exemplars/formula_cards/UNMATCHED__70_Catastrophe_.json
{
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"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__70_Catastrophe_",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Diamond & Pokémon Pearl_ Super M\\70 Catastrophe!.m4a",
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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": "2026-08-07T03:26:45+00:00",
"format_induced_limit": "lossy source (aac); high-band timbre figures carry codec artefacts and the card declares it",
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"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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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": [
0.1396,
0.61,
0.7524,
0.7566,
0.7643,
0.7021,
0.7092,
0.6993,
0.7653,
0.6999,
0.6928,
0.6908,
0.7611,
0.7288,
0.779,
0.7985,
0.7763,
0.7675,
0.7778,
0.7874,
0.7488,
0.7745,
0.7554,
0.7794,
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0.7606,
0.7645,
0.7482,
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0.7747,
0.703,
0.652,
0.6924,
0.6518,
0.7044,
0.7082,
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0.6723,
0.6202,
0.5304,
0.3939,
0.1346,
0.1095
],
"peak_position_normalised": 0.4864
}
},
"complexity_law": {
"available": true,
"bar_length_s": 2.322,
"bars": 16,
"index_per_bar": [
0.8885,
0.9507,
0.9497,
0.9536,
0.9844,
1.0,
0.993,
0.985,
0.9965,
0.9966,
0.9994,
0.9988,
0.9846,
0.9438,
0.9396,
0.7493
],
"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": 15,
"at_s": 34.83,
"delta": -0.19,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 0,
"steps_total": 1,
"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": 2.011,
"melodic_salience": 0.8519,
"voiced_fraction": 0.542,
"note_count": 77,
"mean_lanes": 8.223,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 6.63,
"peak_position_normalised": 0.2802,
"peak_at_s": 10.728,
"arc_curve_db": [
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-13.06,
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-13.07,
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-13.09,
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-14.11,
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-13.85,
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-13.64,
-13.69,
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-13.75,
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-13.72,
-14.03,
-15.24,
-17.97,
-22.2,
-28.78,
-39.06,
-39.7
],
"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": 13.0,
"melody_tessitura_midi": 44.0,
"bass_floor_band": {
"sub": 0.00205,
"low_bass": 0.0259,
"bass": 0.4669,
"low_mid": 0.20228,
"mid": 0.21834,
"upper_mid": 0.06178,
"presence": 0.01788,
"brilliance": 0.00304,
"air": 0.00179,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00205,
"low_bass": 0.0259,
"bass": 0.4669,
"low_mid": 0.20228,
"mid": 0.21834,
"upper_mid": 0.06178,
"presence": 0.01788,
"brilliance": 0.00304,
"air": 0.00179,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.55724,
"interior_distance_median": 0.01316,
"seam_ratio": 42.341,
"seam_clean": false,
"tail_rms_over_mid": 0.0027,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.9567,
"head_rms_trend": 0.738,
"baked_fade_out": true,
"baked_fade_in": true
},
"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": {
"spectral_centroid_hz_mean": 1361.3,
"spectral_centroid_curve_hz": [
456.7,
926.3,
1023.6,
1120.5,
1359.3,
1119.6,
1149.3,
929.3,
1471.1,
1225.4,
1105.1,
1088.9,
1397.5,
1120.3,
1142.8,
1479.5,
1167.0,
1281.9,
1614.3,
1645.0,
1104.3,
1366.7,
1126.8,
1343.7,
1375.9,
2096.8,
1650.2,
1580.9,
1574.9,
1495.6,
1663.5,
1703.8,
1573.4,
1613.1,
1772.2,
1808.2,
1809.4,
1604.2,
2383.0,
1202.3,
1139.1,
1188.1,
1140.2,
1293.4,
1361.6,
1428.7,
1495.0,
1529.1,
1610.7,
1500.0,
1611.6,
1491.2
],
"spectral_rolloff85_hz_mean": 2338.9,
"spectral_flatness_mean": 0.01053,
"signature_colour": "warm"
}
}
}