music/exemplars/formula_cards/UNMATCHED__Portal2-14-Spaaaaace.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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0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 5.444
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.5378,
"at_s": 24.613,
"db_delta": -1.78,
"lanes_removed": 1.54,
"bars_held_s": 0.813,
"re_enters_at_s": 25.426
},
{
"position": 0.8635,
"at_s": 39.52,
"db_delta": -2.11,
"lanes_removed": 1.53,
"bars_held_s": 5.666,
"re_enters_at_s": 45.186
},
{
"position": 0.9462,
"at_s": 43.305,
"db_delta": -6.08,
"lanes_removed": -0.0,
"bars_held_s": 1.881,
"re_enters_at_s": 45.186
},
{
"position": 0.9741,
"at_s": 44.582,
"db_delta": -6.26,
"lanes_removed": -0.0,
"bars_held_s": 0.604,
"re_enters_at_s": 45.186
}
],
"raises": [
{
"position": 0.0132,
"start_s": 0.604,
"end_s": 38.011,
"db_delta": 12.68,
"lanes_added": 5.07,
"slope_db_per_s": 0.339
},
{
"position": 0.1953,
"start_s": 8.94,
"end_s": 27.91,
"db_delta": -0.92,
"lanes_added": 1.57,
"slope_db_per_s": -0.048
},
{
"position": 0.3009,
"start_s": 13.769,
"end_s": 13.909,
"db_delta": -0.77,
"lanes_added": 1.62,
"slope_db_per_s": -5.531
},
{
"position": 0.4536,
"start_s": 20.759,
"end_s": 27.957,
"db_delta": -2.0,
"lanes_added": 1.52,
"slope_db_per_s": -0.278
},
{
"position": 0.6383,
"start_s": 29.211,
"end_s": 29.884,
"db_delta": 4.77,
"lanes_added": 1.52,
"slope_db_per_s": 7.079
}
],
"breaks": [
{
"position": 0.9513,
"at_s": 43.537,
"duration_s": 2.229
}
],
"tuttis": [
{
"position": 0.3095,
"at_s": 14.164,
"duration_s": 1.091,
"lanes": 9
},
{
"position": 0.4866,
"at_s": 22.268,
"duration_s": 1.695,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0517,
"seconds": 2.367,
"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": 4,
"raises": 5,
"breaks": 1,
"tuttis": 2
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.163,
"time_to_hook_s": 13.665,
"time_to_hook_bars": 9.2,
"time_to_full_texture_s": 14.164,
"time_to_full_texture_bars": 9.53,
"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,
37.15,
37.89,
38.64,
39.38,
40.12,
40.87,
41.61,
42.35,
43.1,
43.84,
44.58,
45.33
],
"values": [
0.2034,
0.1652,
0.3672,
0.353,
0.3574,
0.3575,
0.2814,
0.3734,
0.3736,
0.3459,
0.3457,
0.389,
0.3863,
0.4553,
0.4512,
0.4251,
0.3901,
0.4064,
0.4169,
0.496,
0.5195,
0.441,
0.4393,
0.397,
0.3883,
0.3895,
0.3521,
0.3528,
0.3416,
0.4583,
0.5601,
0.5431,
0.5368,
0.5214,
0.3671,
0.4044,
0.3398,
0.3642,
0.3783,
0.3736,
0.4725,
0.5674,
0.4895,
0.436,
0.4041,
0.3928,
0.373,
0.4287,
0.4926,
0.3896,
0.3218,
0.3029,
0.2457,
0.2335,
0.1079,
0.0232,
0.0187,
0.0159,
0.0143,
0.0199,
0.0161,
0.0521
],
"peak_position_normalised": 0.6662
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.4861,
"bars": 30,
"index_per_bar": [
0.5627,
0.7643,
0.6981,
0.6091,
0.5946,
0.6159,
0.8606,
0.7786,
0.6682,
0.8866,
0.921,
0.7186,
0.658,
0.5647,
0.8263,
1.0,
0.8997,
0.6025,
0.637,
0.7002,
0.8233,
0.7688,
0.6661,
0.8232,
0.8371,
0.6422,
0.4707,
0.1035,
0.01,
0.0063
],
"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": 1.49,
"delta": 0.202,
"at_section_boundary": true
},
{
"bar": 6,
"at_s": 8.92,
"delta": 0.245,
"at_section_boundary": false
},
{
"bar": 9,
"at_s": 13.37,
"delta": 0.218,
"at_section_boundary": true
},
{
"bar": 11,
"at_s": 16.35,
"delta": -0.202,
"at_section_boundary": false
},
{
"bar": 14,
"at_s": 20.8,
"delta": 0.262,
"at_section_boundary": true
},
{
"bar": 15,
"at_s": 22.29,
"delta": 0.174,
"at_section_boundary": true
},
{
"bar": 17,
"at_s": 25.26,
"delta": -0.297,
"at_section_boundary": false
},
{
"bar": 23,
"at_s": 34.18,
"delta": 0.157,
"at_section_boundary": false
},
{
"bar": 25,
"at_s": 37.15,
"delta": -0.195,
"at_section_boundary": true
},
{
"bar": 26,
"at_s": 38.64,
"delta": -0.172,
"at_section_boundary": false
},
{
"bar": 27,
"at_s": 40.12,
"delta": -0.367,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 5,
"steps_total": 11,
"boundary_step_share": 0.455,
"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": 1.049,
"melodic_salience": 1.0,
"voiced_fraction": 0.859,
"note_count": 48,
"mean_lanes": 5.444,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 27.47,
"peak_position_normalised": 0.6626,
"peak_at_s": 30.325,
"arc_curve_db": [
-19.38,
-30.38,
-19.94,
-16.54,
-16.59,
-17.18,
-16.5,
-16.06,
-15.74,
-15.16,
-15.11,
-14.65,
-15.08,
-15.92,
-15.81,
-15.25,
-14.45,
-13.83,
-12.8,
-13.41,
-14.69,
-14.42,
-13.77,
-14.24,
-15.74,
-15.07,
-14.31,
-14.45,
-14.04,
-13.99,
-13.1,
-14.28,
-14.56,
-13.67,
-14.3,
-13.78,
-13.44,
-13.7,
-15.55,
-15.91,
-13.3,
-10.71,
-12.34,
-14.01,
-13.42,
-15.0,
-16.17,
-14.73,
-15.27,
-18.18,
-20.3,
-22.94,
-26.19,
-28.64,
-30.67,
-34.63,
-38.08,
-42.17,
-48.03,
-54.98,
-63.85,
-63.19
],
"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,
37.15,
37.89,
38.64,
39.38,
40.12,
40.87,
41.61,
42.35,
43.1,
43.84,
44.58,
45.33
]
},
"register": {
"melody_span_semitones": 14.33,
"melody_tessitura_midi": 41.0,
"bass_floor_band": {
"sub": 0.09877,
"low_bass": 0.81047,
"bass": 0.07278,
"low_mid": 0.01092,
"mid": 0.00369,
"upper_mid": 0.00234,
"presence": 0.00017,
"brilliance": 0.0,
"air": 0.0,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.09877,
"low_bass": 0.81047,
"bass": 0.07278,
"low_mid": 0.01092,
"mid": 0.00369,
"upper_mid": 0.00234,
"presence": 0.00017,
"brilliance": 0.0,
"air": 0.0,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.00695,
"interior_distance_median": 0.0038,
"seam_ratio": 1.83,
"seam_clean": false,
"tail_rms_over_mid": 0.0001,
"head_rms_over_mid": 0.071,
"tail_rms_trend": -0.7817,
"head_rms_trend": 0.9579,
"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": 226.9,
"spectral_centroid_curve_hz": [
5381.8,
122.7,
211.5,
146.5,
168.8,
160.3,
112.3,
128.2,
112.8,
116.3,
110.4,
132.8,
159.7,
216.2,
191.2,
172.8,
149.2,
130.4,
110.2,
194.2,
212.3,
214.2,
198.0,
158.8,
146.8,
171.3,
112.6,
136.8,
118.7,
131.3,
257.4,
415.8,
278.4,
157.9,
153.4,
119.1,
106.2,
104.5,
181.7,
150.2,
115.1,
185.6,
195.8,
234.1,
159.9,
203.5,
148.8,
235.4,
283.1,
322.9,
235.6,
201.5,
210.6,
223.7,
184.5,
196.3,
212.6,
254.1,
294.1,
515.6,
442.7,
1490.6
],
"spectral_rolloff85_hz_mean": 356.3,
"spectral_flatness_mean": 0.00254,
"signature_colour": "dark"
}
}
}