music/exemplars/formula_cards/UNMATCHED__04_Onward_to_Adventure_.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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"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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"at_s": 20.782,
"duration_s": 1.254
}
],
"tuttis": [
{
"position": 0.0284,
"at_s": 0.627,
"duration_s": 0.836,
"lanes": 9
},
{
"position": 0.1981,
"at_s": 4.365,
"duration_s": 0.766,
"lanes": 9
},
{
"position": 0.3614,
"at_s": 7.964,
"duration_s": 0.929,
"lanes": 9
},
{
"position": 0.531,
"at_s": 11.703,
"duration_s": 0.766,
"lanes": 9
},
{
"position": 0.6974,
"at_s": 15.372,
"duration_s": 0.859,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0832,
"seconds": 1.833,
"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": 6,
"breaks": 2,
"tuttis": 5
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": 3.228,
"time_to_hook_bars": 0.87,
"time_to_full_texture_s": 0.511,
"time_to_full_texture_bars": 0.14,
"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
],
"values": [
0.0591,
0.5962,
0.7379,
0.5908,
0.6572,
0.6532,
0.7515,
0.6418,
0.6029,
0.6658,
0.7146,
0.7677,
0.774,
0.5857,
0.6539,
0.6629,
0.7365,
0.6056,
0.6012,
0.6719,
0.7103,
0.7609,
0.7379,
0.5562,
0.6358,
0.4998,
0.4962,
0.1035,
0.1317,
0.0305
],
"peak_position_normalised": 0.7239
}
},
"complexity_law": {
"available": true,
"bar_length_s": 3.7152,
"bars": 5,
"index_per_bar": [
0.9015,
1.0,
0.9787,
0.9985,
0.949
],
"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": [],
"steps_at_section_boundaries": 0,
"steps_total": 0,
"boundary_step_share": null,
"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": 0.408,
"melodic_salience": 0.4229,
"voiced_fraction": 0.059,
"note_count": 9,
"mean_lanes": 6.494,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 30.38,
"peak_position_normalised": 0.6986,
"peak_at_s": 15.395,
"arc_curve_db": [
-63.46,
-68.82,
-12.93,
-15.79,
-16.3,
-14.2,
-11.02,
-11.77,
-13.13,
-13.5,
-12.73,
-10.71,
-12.62,
-15.73,
-16.33,
-14.15,
-11.5,
-11.89,
-12.79,
-13.42,
-12.59,
-11.12,
-12.94,
-16.18,
-18.89,
-20.44,
-24.38,
-33.33,
-52.4,
-97.85
],
"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
]
},
"register": {
"melody_span_semitones": 2.0,
"melody_tessitura_midi": 44.67,
"bass_floor_band": {
"sub": 0.00139,
"low_bass": 0.08852,
"bass": 0.21888,
"low_mid": 0.20729,
"mid": 0.23877,
"upper_mid": 0.13814,
"presence": 0.08345,
"brilliance": 0.015,
"air": 0.00435,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00139,
"low_bass": 0.08852,
"bass": 0.21888,
"low_mid": 0.20729,
"mid": 0.23877,
"upper_mid": 0.13814,
"presence": 0.08345,
"brilliance": 0.015,
"air": 0.00435,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.0474,
"seam_ratio": 21.095,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.7971,
"head_rms_trend": 0.8042,
"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": 1780.4,
"spectral_centroid_curve_hz": [
0.0,
1467.5,
2549.5,
2105.8,
1463.2,
1950.8,
2116.8,
1025.4,
1743.4,
1144.6,
1881.4,
2189.5,
2691.7,
2072.1,
1410.6,
2065.3,
1807.6,
1079.5,
1788.8,
1246.4,
2347.0,
2006.1,
2840.9,
2077.3,
2062.6,
2193.6,
1644.3,
1009.1,
1897.0,
447.1
],
"spectral_rolloff85_hz_mean": 3685.9,
"spectral_flatness_mean": 0.05604,
"signature_colour": "warm"
}
}
}