music/exemplars/formula_cards/UNMATCHED__35_Sina_and_Dexio.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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"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
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"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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"re_enters_at_s": 4.714
},
{
"position": 0.1757,
"at_s": 6.339,
"db_delta": -2.75,
"lanes_removed": 1.53,
"bars_held_s": 0.418,
"re_enters_at_s": 6.757
},
{
"position": 0.3269,
"at_s": 11.796,
"db_delta": -0.96,
"lanes_removed": 1.56,
"bars_held_s": 1.277,
"re_enters_at_s": 13.073
},
{
"position": 0.4286,
"at_s": 15.464,
"db_delta": 0.93,
"lanes_removed": 1.59,
"bars_held_s": 1.231,
"re_enters_at_s": 16.695
},
{
"position": 0.5322,
"at_s": 19.203,
"db_delta": -3.91,
"lanes_removed": 1.6,
"bars_held_s": 0.255,
"re_enters_at_s": 19.458
},
{
"position": 0.5856,
"at_s": 21.13,
"db_delta": -2.82,
"lanes_removed": 1.57,
"bars_held_s": 0.418,
"re_enters_at_s": 21.548
},
{
"position": 0.7362,
"at_s": 26.564,
"db_delta": -0.91,
"lanes_removed": 1.58,
"bars_held_s": 1.277,
"re_enters_at_s": 27.841
},
{
"position": 0.8378,
"at_s": 30.232,
"db_delta": 0.95,
"lanes_removed": 1.52,
"bars_held_s": 5.271,
"re_enters_at_s": 35.503
},
{
"position": 0.8906,
"at_s": 32.136,
"db_delta": -3.64,
"lanes_removed": 1.53,
"bars_held_s": 3.367,
"re_enters_at_s": 35.503
},
{
"position": 0.9241,
"at_s": 33.344,
"db_delta": -2.91,
"lanes_removed": 1.88,
"bars_held_s": 2.159,
"re_enters_at_s": 35.503
},
{
"position": 0.9575,
"at_s": 34.551,
"db_delta": -7.51,
"lanes_removed": 0.95,
"bars_held_s": 0.952,
"re_enters_at_s": 35.503
}
],
"raises": [
{
"position": 0.0167,
"start_s": 0.604,
"end_s": 7.523,
"db_delta": 131.58,
"lanes_added": 5.2,
"slope_db_per_s": 19.015
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.464
},
{
"position": 0.9762,
"at_s": 35.225,
"duration_s": 0.859
}
],
"tuttis": [],
"silence_budget": {
"fraction": 0.0399,
"seconds": 1.439,
"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": {
"drops": 11,
"raises": 1,
"breaks": 2,
"tuttis": 0
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": 0.557,
"time_to_hook_bars": 0.3,
"time_to_full_texture_s": 1.44,
"time_to_full_texture_bars": 0.78,
"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
],
"values": [
0.0401,
0.4572,
0.6617,
0.6281,
0.5762,
0.5682,
0.6776,
0.6843,
0.6596,
0.5834,
0.6284,
0.6533,
0.6466,
0.6385,
0.5322,
0.6621,
0.6438,
0.6476,
0.6329,
0.5237,
0.6412,
0.6442,
0.6522,
0.6399,
0.6719,
0.6114,
0.613,
0.6624,
0.6986,
0.6028,
0.6574,
0.5996,
0.6402,
0.7062,
0.64,
0.5903,
0.6309,
0.6082,
0.6916,
0.6161,
0.6343,
0.5929,
0.6683,
0.6148,
0.4703,
0.3896,
0.1786,
0.1202,
0.0028
],
"peak_position_normalised": 0.1744
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.8576,
"bars": 19,
"index_per_bar": [
0.7494,
0.9767,
0.9622,
0.9681,
0.9908,
0.9962,
0.9725,
1.0,
0.9671,
0.986,
0.9636,
0.97,
0.9919,
0.9988,
0.9682,
0.9986,
0.9639,
0.9048,
0.4458
],
"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": 1,
"at_s": 1.86,
"delta": 0.227,
"at_section_boundary": true
},
{
"bar": 18,
"at_s": 33.44,
"delta": -0.459,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 1,
"steps_total": 2,
"boundary_step_share": 0.5,
"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": 1.025,
"melodic_salience": 0.6385,
"voiced_fraction": 0.1702,
"note_count": 37,
"mean_lanes": 7.085,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 13.17,
"peak_position_normalised": 0.1628,
"peak_at_s": 5.875,
"arc_curve_db": [
-66.57,
-74.29,
-15.55,
-14.81,
-14.92,
-14.72,
-15.53,
-15.13,
-13.7,
-15.08,
-17.56,
-17.32,
-15.87,
-16.2,
-15.9,
-15.38,
-16.07,
-16.62,
-16.37,
-15.85,
-15.61,
-15.5,
-15.46,
-15.33,
-15.24,
-14.78,
-15.44,
-15.51,
-14.23,
-15.27,
-17.81,
-17.12,
-15.62,
-16.41,
-15.88,
-15.28,
-16.04,
-16.65,
-16.46,
-15.87,
-15.68,
-15.55,
-15.78,
-17.22,
-19.78,
-24.39,
-32.6,
-55.8,
-92.45
],
"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
]
},
"register": {
"melody_span_semitones": 49.0,
"melody_tessitura_midi": 43.0,
"bass_floor_band": {
"sub": 0.0169,
"low_bass": 0.22301,
"bass": 0.17907,
"low_mid": 0.12871,
"mid": 0.17791,
"upper_mid": 0.15122,
"presence": 0.06663,
"brilliance": 0.0315,
"air": 0.0247,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.0169,
"low_bass": 0.22301,
"bass": 0.17907,
"low_mid": 0.12871,
"mid": 0.17791,
"upper_mid": 0.15122,
"presence": 0.06663,
"brilliance": 0.0315,
"air": 0.0247,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.16008,
"seam_ratio": 6.247,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8511,
"head_rms_trend": 0.9157,
"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": 2453.6,
"spectral_centroid_curve_hz": [
0.0,
3198.9,
2285.0,
993.6,
2657.3,
2549.7,
3490.9,
2187.7,
1621.4,
2877.9,
2895.0,
3393.4,
2370.5,
2019.2,
2306.8,
4224.4,
3121.3,
2070.4,
2111.0,
2138.3,
3850.1,
2923.5,
1573.1,
1417.9,
2061.6,
3722.8,
2844.8,
1793.0,
2460.2,
3348.4,
3571.3,
2319.9,
2118.5,
3575.5,
1958.0,
2432.0,
2906.3,
2213.9,
3266.0,
1469.4,
2725.4,
2777.2,
2489.2,
1741.4,
1184.4,
2666.0,
2385.0,
2631.6,
0.0
],
"spectral_rolloff85_hz_mean": 5556.0,
"spectral_flatness_mean": 0.05043,
"signature_colour": "warm"
}
}
}