music/exemplars/formula_cards/UNMATCHED__68_Trainers_Eyes_Meet_Scientist_.json
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"end_s": 21.804,
"db_delta": 5.64,
"lanes_added": 1.67,
"slope_db_per_s": 13.502
},
{
"position": 0.7531,
"start_s": 22.593,
"end_s": 25.797,
"db_delta": 0.86,
"lanes_added": 2.36,
"slope_db_per_s": 0.269
},
{
"position": 0.7988,
"start_s": 23.963,
"end_s": 25.751,
"db_delta": -0.28,
"lanes_added": 1.57,
"slope_db_per_s": -0.159
},
{
"position": 0.8444,
"start_s": 25.333,
"end_s": 25.496,
"db_delta": 0.05,
"lanes_added": 1.51,
"slope_db_per_s": 0.288
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.464
},
{
"position": 0.9644,
"at_s": 28.932,
"duration_s": 1.045
}
],
"tuttis": [],
"silence_budget": {
"fraction": 0.0519,
"seconds": 1.556,
"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": 7,
"raises": 9,
"breaks": 2,
"tuttis": 0
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": 0.639,
"time_to_hook_bars": 0.33,
"time_to_full_texture_s": 0.488,
"time_to_full_texture_bars": 0.25,
"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
],
"values": [
0.0601,
0.6072,
0.6389,
0.7287,
0.7566,
0.7685,
0.7555,
0.7716,
0.732,
0.7135,
0.7044,
0.6844,
0.6469,
0.6782,
0.6476,
0.6495,
0.6415,
0.6705,
0.6987,
0.7265,
0.7772,
0.7659,
0.7404,
0.7513,
0.7297,
0.7179,
0.6963,
0.6572,
0.6283,
0.6559,
0.6365,
0.6462,
0.6588,
0.6223,
0.6616,
0.6614,
0.5131,
0.4557,
0.1479,
0.1306,
0.001
],
"peak_position_normalised": 0.5267
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.9504,
"bars": 15,
"index_per_bar": [
0.8124,
0.9899,
0.9894,
0.9575,
0.9413,
0.9237,
0.9334,
0.9951,
1.0,
0.9588,
0.9353,
0.9306,
0.922,
0.9287,
0.4461
],
"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": 1.95,
"delta": 0.178,
"at_section_boundary": true
},
{
"bar": 14,
"at_s": 27.31,
"delta": -0.483,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 2,
"steps_total": 2,
"boundary_step_share": 1.0,
"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": 1.6,
"melodic_salience": 0.6827,
"voiced_fraction": 0.2117,
"note_count": 48,
"mean_lanes": 7.136,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 19.24,
"peak_position_normalised": 0.1255,
"peak_at_s": 3.762,
"arc_curve_db": [
-63.23,
-71.28,
-14.74,
-14.32,
-13.81,
-12.3,
-12.51,
-12.69,
-13.59,
-14.85,
-14.7,
-15.79,
-18.29,
-16.49,
-16.95,
-18.32,
-17.29,
-16.59,
-14.77,
-14.29,
-13.65,
-12.31,
-12.63,
-12.73,
-13.8,
-14.89,
-14.7,
-16.02,
-18.4,
-16.56,
-17.12,
-18.17,
-17.29,
-16.88,
-15.9,
-17.31,
-20.66,
-25.86,
-35.83,
-74.76,
-88.01
],
"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
]
},
"register": {
"melody_span_semitones": 37.0,
"melody_tessitura_midi": 61.5,
"bass_floor_band": {
"sub": 0.00192,
"low_bass": 0.02044,
"bass": 0.07829,
"low_mid": 0.25473,
"mid": 0.48815,
"upper_mid": 0.10091,
"presence": 0.04665,
"brilliance": 0.00712,
"air": 0.00033,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00192,
"low_bass": 0.02044,
"bass": 0.07829,
"low_mid": 0.25473,
"mid": 0.48815,
"upper_mid": 0.10091,
"presence": 0.04665,
"brilliance": 0.00712,
"air": 0.00033,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.07045,
"seam_ratio": 14.194,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8445,
"head_rms_trend": 0.5785,
"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": 1218.6,
"spectral_centroid_curve_hz": [
0.0,
1035.5,
1522.7,
1081.9,
1542.0,
1063.4,
1317.9,
1235.0,
1429.0,
1028.4,
1421.9,
1075.9,
1286.0,
1173.7,
1206.8,
1078.3,
1268.4,
996.4,
1395.2,
1078.1,
1389.7,
1041.6,
1195.9,
1060.4,
1438.2,
1084.5,
1393.2,
917.6,
1179.2,
1036.0,
1127.4,
1103.9,
1416.5,
933.7,
1368.0,
1235.1,
1478.2,
1000.9,
1095.5,
1150.9,
0.0
],
"spectral_rolloff85_hz_mean": 2285.9,
"spectral_flatness_mean": 0.03351,
"signature_colour": "warm"
}
}
}