music/exemplars/formula_cards/UNMATCHED__63_Trainers_Eyes_Meet_Hiker_.json
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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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0.5284,
0.4865,
0.6322,
0.509,
0.5175,
0.5366,
0.5963,
0.5118,
0.4961,
0.43,
0.5203,
0.2111,
0.0633,
0.0708,
0.0022
],
"peak_position_normalised": 0.3822
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.0217,
"bars": 23,
"index_per_bar": [
0.6181,
0.9811,
0.9285,
0.8222,
0.9817,
0.9071,
0.9939,
0.8435,
0.8274,
0.9612,
0.8694,
0.8493,
0.9919,
0.8618,
1.0,
0.862,
0.8804,
0.9331,
0.8791,
0.8084,
0.9184,
0.2844,
0.0404
],
"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": 1.02,
"delta": 0.363,
"at_section_boundary": true
},
{
"bar": 4,
"at_s": 4.09,
"delta": 0.159,
"at_section_boundary": true
},
{
"bar": 7,
"at_s": 7.15,
"delta": -0.15,
"at_section_boundary": false
},
{
"bar": 21,
"at_s": 21.46,
"delta": -0.634,
"at_section_boundary": true
},
{
"bar": 22,
"at_s": 22.48,
"delta": -0.244,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 3,
"steps_total": 5,
"boundary_step_share": 0.6,
"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": 1.497,
"melodic_salience": 0.6455,
"voiced_fraction": 0.1891,
"note_count": 36,
"mean_lanes": 6.73,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 25.3,
"peak_position_normalised": 0.0695,
"peak_at_s": 1.672,
"arc_curve_db": [
-64.86,
-71.05,
-13.21,
-13.18,
-16.21,
-18.14,
-14.61,
-16.22,
-17.7,
-14.52,
-16.76,
-15.85,
-14.2,
-14.26,
-13.07,
-16.93,
-18.11,
-14.65,
-16.46,
-17.45,
-14.5,
-16.87,
-15.85,
-14.17,
-14.37,
-13.27,
-17.8,
-20.26,
-19.7,
-26.91,
-35.91,
-69.59,
-87.86
],
"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": 17.0,
"melody_tessitura_midi": 64.0,
"bass_floor_band": {
"sub": 0.0,
"low_bass": 0.00127,
"bass": 0.0185,
"low_mid": 0.09841,
"mid": 0.24211,
"upper_mid": 0.4844,
"presence": 0.14806,
"brilliance": 0.00702,
"air": 0.00022,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.0,
"low_bass": 0.00127,
"bass": 0.0185,
"low_mid": 0.09841,
"mid": 0.24211,
"upper_mid": 0.4844,
"presence": 0.14806,
"brilliance": 0.00702,
"air": 0.00022,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.05505,
"seam_ratio": 18.165,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8769,
"head_rms_trend": 0.911,
"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": 1230.8,
"spectral_centroid_curve_hz": [
0.0,
1287.0,
1206.7,
936.4,
1558.9,
933.4,
1098.9,
1001.7,
1235.6,
1590.1,
1284.6,
1311.0,
1318.8,
1648.2,
955.3,
1487.4,
939.7,
1130.8,
1018.7,
1120.4,
1596.8,
1220.9,
1191.6,
1327.2,
1567.0,
957.9,
1326.7,
952.4,
1155.5,
1043.0,
972.6,
1536.4,
0.0
],
"spectral_rolloff85_hz_mean": 1983.3,
"spectral_flatness_mean": 0.04146,
"signature_colour": "warm"
}
}
}