music/exemplars/formula_cards/UNMATCHED__117_A_Pok_Radar_Hit_.json
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"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.",
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"title": null,
"game": null,
"composer": null,
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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": "2026-08-07T02:57:41+00:00",
"format_induced_limit": "lossy source (aac); high-band timbre figures carry codec artefacts and the card declares it",
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"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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20.81,
21.55,
22.29,
23.03,
23.78
],
"values": [
0.0744,
0.3522,
0.5213,
0.5659,
0.4865,
0.3952,
0.4761,
0.4828,
0.5165,
0.5226,
0.2816,
0.5334,
0.49,
0.5437,
0.3405,
0.5005,
0.4937,
0.5932,
0.6131,
0.3546,
0.316,
0.3002,
0.1525,
0.1776,
0.2155,
0.5199,
0.5507,
0.4493,
0.1895,
0.0878,
0.0494,
0.044,
0.0269
],
"peak_position_normalised": 0.4386
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.9504,
"bars": 12,
"index_per_bar": [
0.853,
0.8665,
1.0,
0.8724,
0.9649,
0.9858,
0.9912,
0.8129,
0.2732,
0.7777,
0.7036,
0.0977
],
"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": 7,
"at_s": 13.65,
"delta": -0.178,
"at_section_boundary": false
},
{
"bar": 8,
"at_s": 15.6,
"delta": -0.54,
"at_section_boundary": false
},
{
"bar": 9,
"at_s": 17.55,
"delta": 0.504,
"at_section_boundary": false
},
{
"bar": 11,
"at_s": 21.45,
"delta": -0.606,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 1,
"steps_total": 4,
"boundary_step_share": 0.25,
"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": 2.148,
"melodic_salience": 0.9519,
"voiced_fraction": 0.6802,
"note_count": 52,
"mean_lanes": 4.854,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 38.36,
"peak_position_normalised": 0.0988,
"peak_at_s": 2.392,
"arc_curve_db": [
-27.11,
-36.9,
-17.83,
-14.87,
-18.4,
-21.48,
-18.82,
-15.72,
-17.53,
-20.41,
-22.34,
-19.1,
-16.1,
-18.14,
-17.34,
-16.8,
-17.7,
-17.66,
-16.07,
-17.9,
-22.38,
-25.17,
-32.62,
-44.29,
-42.6,
-28.08,
-17.46,
-18.77,
-27.84,
-36.5,
-43.37,
-58.34,
-71.1
],
"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
]
},
"register": {
"melody_span_semitones": 50.67,
"melody_tessitura_midi": 46.0,
"bass_floor_band": {
"sub": 0.00122,
"low_bass": 0.15833,
"bass": 0.50228,
"low_mid": 0.14472,
"mid": 0.09016,
"upper_mid": 0.03372,
"presence": 0.04301,
"brilliance": 0.019,
"air": 0.00548,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00122,
"low_bass": 0.15833,
"bass": 0.50228,
"low_mid": 0.14472,
"mid": 0.09016,
"upper_mid": 0.03372,
"presence": 0.04301,
"brilliance": 0.019,
"air": 0.00548,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.04469,
"interior_distance_median": 0.03323,
"seam_ratio": 1.345,
"seam_clean": true,
"tail_rms_over_mid": 0.0001,
"head_rms_over_mid": 0.0004,
"tail_rms_trend": -0.8164,
"head_rms_trend": 0.6111,
"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": 2096.7,
"spectral_centroid_curve_hz": [
998.3,
3950.1,
1781.9,
1125.5,
1149.6,
1763.1,
1316.2,
1361.9,
2754.0,
2127.9,
1263.6,
2247.2,
1077.4,
1990.1,
1456.6,
2557.5,
1321.3,
1775.1,
2627.4,
1469.1,
2108.8,
1633.9,
1476.6,
4761.2,
5168.4,
3060.1,
2209.5,
1093.6,
961.9,
1758.1,
1099.1,
1161.6,
761.1
],
"spectral_rolloff85_hz_mean": 4368.4,
"spectral_flatness_mean": 0.03014,
"signature_colour": "warm"
}
}
}