music/exemplars/formula_cards/UNMATCHED__2-25_Chrono_Trigger_Arrange_Version.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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"duration_s": 4.551
}
],
"tuttis": [
{
"position": 0.0685,
"at_s": 2.508,
"duration_s": 0.952,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.1497,
"seconds": 5.48,
"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": 5,
"raises": 4,
"breaks": 2,
"tuttis": 1
}
},
"opening_and_flow_law": {
"onset_type": "silence_then_hit",
"first_sound_at_s": 0.789,
"time_to_hook_s": 0.94,
"time_to_hook_bars": 0.53,
"time_to_full_texture_s": 2.508,
"time_to_full_texture_bars": 1.42,
"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
],
"values": [
0.0014,
0.0672,
0.3826,
0.5715,
0.7028,
0.5795,
0.5288,
0.501,
0.5663,
0.5318,
0.5358,
0.5491,
0.5481,
0.526,
0.5424,
0.5604,
0.5085,
0.4989,
0.536,
0.5503,
0.5409,
0.5174,
0.4815,
0.5582,
0.5465,
0.5613,
0.5404,
0.5899,
0.5439,
0.5887,
0.5729,
0.5633,
0.5673,
0.5439,
0.5826,
0.5742,
0.5411,
0.567,
0.539,
0.3951,
0.5202,
0.3543,
0.0651,
0.0392,
0.0697,
0.1238,
0.0548,
0.0,
0.0,
0.0
],
"peak_position_normalised": 0.0756
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.7647,
"bars": 20,
"index_per_bar": [
0.369,
0.9959,
0.9295,
0.9415,
0.926,
0.9229,
0.9285,
0.9279,
0.9322,
0.935,
0.9377,
0.95,
0.9474,
0.9425,
1.0,
0.9519,
0.7614,
0.4797,
0.0108,
0.01
],
"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": 1.76,
"delta": 0.627,
"at_section_boundary": true
},
{
"bar": 16,
"at_s": 28.24,
"delta": -0.19,
"at_section_boundary": true
},
{
"bar": 17,
"at_s": 30.0,
"delta": -0.282,
"at_section_boundary": true
},
{
"bar": 18,
"at_s": 31.76,
"delta": -0.469,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 3,
"steps_total": 4,
"boundary_step_share": 0.75,
"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": 2.077,
"melodic_salience": 0.8401,
"voiced_fraction": 0.5244,
"note_count": 76,
"mean_lanes": 6.174,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 69.79,
"peak_position_normalised": 0.0717,
"peak_at_s": 2.624,
"arc_curve_db": [
-91.58,
-106.7,
-23.35,
-12.24,
-11.61,
-14.23,
-15.0,
-16.54,
-16.63,
-15.52,
-14.73,
-15.24,
-16.29,
-15.56,
-15.21,
-15.24,
-15.52,
-16.19,
-15.8,
-15.42,
-15.13,
-15.29,
-14.94,
-14.68,
-15.08,
-15.06,
-15.45,
-14.68,
-13.44,
-13.43,
-14.04,
-14.3,
-13.94,
-14.28,
-15.41,
-16.19,
-15.65,
-14.26,
-15.27,
-20.07,
-20.32,
-24.18,
-39.25,
-52.37,
-65.44,
-79.54,
-111.79,
-167.96,
-200.0,
-123.08
],
"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
]
},
"register": {
"melody_span_semitones": 11.0,
"melody_tessitura_midi": 40.0,
"bass_floor_band": {
"sub": 0.00809,
"low_bass": 0.28921,
"bass": 0.17027,
"low_mid": 0.04878,
"mid": 0.16456,
"upper_mid": 0.12023,
"presence": 0.15663,
"brilliance": 0.03681,
"air": 0.00512,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00809,
"low_bass": 0.28921,
"bass": 0.17027,
"low_mid": 0.04878,
"mid": 0.16456,
"upper_mid": 0.12023,
"presence": 0.15663,
"brilliance": 0.03681,
"air": 0.00512,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.03973,
"seam_ratio": 25.168,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": 0.0,
"head_rms_trend": 0.877,
"baked_fade_out": false,
"baked_fade_in": true
},
"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": 1670.7,
"spectral_centroid_curve_hz": [
0.0,
904.1,
953.2,
1194.1,
2585.6,
1936.7,
1621.3,
1759.1,
2318.3,
1485.7,
1689.7,
1955.5,
1917.7,
1399.7,
1682.0,
2166.8,
1956.5,
1664.6,
1646.2,
1853.2,
1632.6,
1881.3,
1949.6,
1966.0,
1713.1,
1966.4,
2364.9,
2488.6,
1325.4,
1989.5,
1831.6,
1805.8,
1973.2,
1590.9,
2468.0,
1683.0,
1749.2,
1724.7,
1703.2,
941.9,
2059.8,
1286.4,
929.0,
687.9,
1346.2,
2415.4,
1069.3,
0.0,
0.0,
0.0
],
"spectral_rolloff85_hz_mean": 3351.7,
"spectral_flatness_mean": 0.07846,
"signature_colour": "warm"
}
}
}