music/exemplars/formula_cards/EX_033.json
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"tier": "RUNG-1 MEASURED",
"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.",
"track_id": "EX_033",
"title": "Corridors of Time",
"game": "Chrono Trigger",
"composer": "Yasunori Mitsuda",
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"delta_bpm": -60.73,
"shape": "step"
},
{
"position_s": 105.26,
"duration_s": 4.46,
"delta_bpm": -86.26,
"shape": "step"
},
{
"position_s": 111.34,
"duration_s": 17.46,
"delta_bpm": -100.85,
"shape": "step"
},
{
"position_s": 145.19,
"duration_s": 3.25,
"delta_bpm": -65.89,
"shape": "step"
},
{
"position_s": 159.22,
"duration_s": 2.0,
"delta_bpm": -18.95,
"shape": "step"
},
{
"position_s": 166.67,
"duration_s": 5.04,
"delta_bpm": -92.59,
"shape": "step"
},
{
"position_s": 176.31,
"duration_s": 3.09,
"delta_bpm": -55.07,
"shape": "step"
}
],
"dispersion_bpm": 61.852,
"rubato_depth_bpm": 141.504
},
"global_bpm": 112.35,
"octave_ambiguity_note": "Beat trackers pick a metrical level, and half/double-time readings are a real and known property, not an error -- the rig's own control plants 120 bpm and this estimator returns 60. Every bar figure on this card (time-to-hook in bars, the complexity index's bar length) inherits whichever level was picked, so compare bar counts within a card, never across cards, until rung 2 pins the metrical level per class.",
"windowed_tempo_stability": {
"tempo_bpm_global": 112.35,
"tempo_bpm_median_local": 112.35,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0279
},
"dominant_onset_period_s": 2.1595,
"dominant_onset_period_bpm": 27.78,
"metre": {
"assumed": "4/4",
"measured": null,
"note": "Bar arithmetic on this card uses 4 beats per bar at the baseline tempo. The onset period beside it is MEASURED; the signature is not."
},
"groove": {
"swing_ratio": 0.751,
"onset_rate_per_s": 10.769
}
},
"tonality": {
"key": "B",
"mode": "minor",
"windowed_key_agreement": 0.5217,
"modulation_note": "Windowed key agreement below ~0.7 is the modulation signal at rung 1; a pivot-chord map needs symbolic transcription (rung 2)."
},
"the_hook": {
"available": true,
"onset_s": 0.476,
"onset_bars": 0.43,
"pitch_contour": "-U-U-UUDU-UUDU-",
"interval_vocabulary_semitones": [
0,
2,
3,
4,
5,
10,
12
],
"intervals": [
0.0,
4.0,
0.0,
5.0,
0.0,
2.0,
5.0,
-12.0,
5.0,
0.0,
2.0,
3.0,
-10.0,
5.0,
0.0
],
"range_semitones": 16.0,
"distinctive_deviation": {
"largest_interval_semitones": -12.0,
"at_note_index": 8,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.966,
"self_similarity_baseline": 0.7652,
"self_similarity_lift": 0.2008,
"recurrence_lag_s": 77.833,
"interval_3gram_repetition": 0.8267,
"interval_4gram_repetition": 0.7721
},
"lane_analysis": {
"method": "spectral_band_proxy",
"confidence": "LOW-FOR-ROSTER, USABLE-FOR-ARRANGEMENT",
"method_note": "Section 11.1 requires the lane method be declared. Bands are not instruments: two instruments in one octave read as one lane, and one instrument spanning two octaves reads as two. Entry/exit and simultaneity shapes are trustworthy; a roster is not claimed.",
"lane_roster_bands": [
"sub",
"low_bass",
"bass",
"low_mid",
"mid",
"upper_mid",
"presence",
"brilliance",
"air",
"ultra"
],
"entry_exit_map": [
{
"lane": "sub",
"band_hz": [
20,
45
],
"entry_s": 9.056,
"exit_s": 168.321,
"active_fraction": 0.4672,
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9.056,
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],
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],
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11.215,
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],
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12.028,
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],
[
17.694,
18.321
],
[
18.53,
19.133
],
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19.876,
20.48
],
[
20.689,
21.293
],
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22.036,
22.57
],
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22.848,
23.429
],
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24.195,
24.752
],
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25.008,
25.588
],
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26.355,
26.982
],
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27.167,
27.771
],
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28.514,
29.141
],
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29.327,
30.163
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34.992,
35.619
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35.805,
36.432
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37.175,
37.779
],
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37.988,
38.568
],
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39.311,
39.892
],
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40.147,
40.751
],
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41.494,
42.028
],
[
42.307,
42.887
],
[
43.654,
44.234
],
[
44.466,
45.116
],
[
46.626,
47.183
],
[
52.291,
52.872
],
[
53.104,
53.708
],
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54.474,
55.031
],
[
55.287,
55.937
],
[
56.61,
57.144
],
[
60.07,
60.743
],
[
60.952,
61.556
],
[
61.765,
62.369
],
[
63.112,
63.669
],
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63.925,
64.551
],
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69.613,
70.171
],
[
70.403,
71.007
],
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71.773,
72.353
],
[
72.586,
73.166
],
[
78.251,
78.832
],
[
79.064,
79.668
],
[
80.411,
81.014
],
[
81.223,
82.059
],
[
82.245,
82.965
],
[
86.889,
87.516
],
[
87.702,
88.329
],
[
89.049,
89.652
],
[
89.861,
90.488
],
[
95.55,
96.177
],
[
96.363,
96.943
],
[
97.71,
98.313
],
[
98.522,
99.149
],
[
99.869,
100.403
],
[
100.682,
101.262
],
[
102.028,
102.586
],
[
102.841,
103.422
],
[
104.188,
104.815
],
[
105.001,
105.604
],
[
106.347,
106.951
],
[
107.16,
108.019
],
[
112.826,
113.476
],
[
113.662,
114.242
],
[
115.008,
115.635
],
[
115.821,
116.402
],
[
117.145,
117.702
],
[
117.981,
118.561
],
[
119.327,
119.861
],
[
120.14,
120.744
],
[
121.487,
122.044
],
[
122.3,
122.903
],
[
124.459,
125.016
],
[
130.148,
130.728
],
[
130.961,
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],
[
133.12,
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],
[
137.903,
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],
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138.762,
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],
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139.598,
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],
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140.945,
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],
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141.758,
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[
147.447,
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148.259,
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],
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149.606,
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],
[
150.419,
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],
[
156.085,
156.665
],
[
156.897,
157.524
],
[
158.244,
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],
[
159.057,
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],
[
160.125,
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],
[
164.746,
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],
[
165.558,
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],
[
166.905,
167.462
],
[
167.718,
168.321
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 9.056,
"exit_s": 174.73,
"active_fraction": 0.6772,
"segments": [
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13.398,
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14.211,
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16.37,
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33.669,
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[
50.155,
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],
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],
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54.474,
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[
55.287,
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56.633,
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58.793,
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61.765,
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[
63.112,
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],
[
65.295,
66.757
],
[
67.454,
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],
[
70.426,
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],
[
71.773,
72.33
],
[
72.586,
73.166
],
[
73.932,
75.488
],
[
76.092,
76.742
],
[
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80.411,
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],
[
81.223,
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],
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83.383,
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84.753,
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86.912,
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],
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91.208,
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],
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93.391,
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],
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],
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96.363,
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],
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97.71,
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],
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98.522,
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],
[
99.869,
101.703
],
[
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],
[
104.211,
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],
[
106.371,
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],
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],
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108.53,
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],
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],
[
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],
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],
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],
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113.615,
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],
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115.821,
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],
[
117.168,
118.979
],
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119.327,
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],
[
121.487,
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],
[
122.3,
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],
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123.669,
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],
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125.829,
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],
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126.642,
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],
[
127.988,
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],
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128.801,
129.451
],
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129.591,
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],
[
130.961,
131.611
],
[
132.307,
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],
[
134.467,
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],
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135.279,
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],
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],
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137.439,
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],
[
140.968,
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],
[
141.735,
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],
[
143.128,
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],
[
145.287,
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],
[
146.1,
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],
[
146.913,
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],
[
148.259,
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],
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149.606,
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[
150.419,
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],
[
153.925,
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],
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154.738,
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],
[
155.55,
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],
[
158.244,
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],
[
159.057,
161.077
],
[
161.239,
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[
162.586,
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],
[
163.399,
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],
[
166.905,
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],
[
167.718,
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],
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169.064,
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],
[
169.877,
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],
[
171.224,
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],
[
172.037,
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],
[
172.849,
173.848
],
[
174.219,
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]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 9.079,
"exit_s": 175.729,
"active_fraction": 0.9087,
"segments": [
[
9.079,
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],
[
174.753,
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]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 9.056,
"exit_s": 175.636,
"active_fraction": 0.9098,
"segments": [
[
9.056,
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],
[
174.939,
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]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.65,
"exit_s": 175.821,
"active_fraction": 0.9547,
"segments": [
[
0.65,
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],
[
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]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.418,
"exit_s": 176.774,
"active_fraction": 0.9375,
"segments": [
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1.509,
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],
[
3.669,
4.412
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[
4.714,
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],
[
5.828,
6.571
],
[
7.964,
8.731
],
[
9.033,
25.333
],
[
25.496,
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],
[
103.352,
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],
[
176.17,
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]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.65,
"exit_s": 177.191,
"active_fraction": 0.9557,
"segments": [
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],
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]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 9.033,
"exit_s": 174.126,
"active_fraction": 0.7912,
"segments": [
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],
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20.41,
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26.099,
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29.071,
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44.188,
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52.268,
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127.71,
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[
130.101,
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],
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],
[
167.95,
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],
[
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],
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]
]
},
{
"lane": "air",
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11200
],
"entry_s": 9.102,
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"active_fraction": 0.503,
"segments": [
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],
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],
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],
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124.714,
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],
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127.756,
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],
[
131.75,
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],
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],
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142.571,
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[
144.73,
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146.889,
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],
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149.049,
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],
[
150.698,
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],
[
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]
]
}
],
"interlap_matrix": {
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"sub|bass": 0.514,
"sub|low_mid": 0.5136,
"sub|mid": 0.4894,
"sub|upper_mid": 0.4962,
"sub|presence": 0.4889,
"sub|brilliance": 0.4467,
"sub|air": 0.3696,
"low_bass|bass": 0.7392,
"low_bass|low_mid": 0.7373,
"low_bass|mid": 0.7062,
"low_bass|upper_mid": 0.7168,
"low_bass|presence": 0.7041,
"low_bass|brilliance": 0.6467,
"low_bass|air": 0.4648,
"bass|low_mid": 0.9885,
"bass|mid": 0.9466,
"bass|upper_mid": 0.9526,
"bass|presence": 0.941,
"bass|brilliance": 0.8549,
"bass|air": 0.5478,
"low_mid|mid": 0.9504,
"low_mid|upper_mid": 0.9612,
"low_mid|presence": 0.9468,
"low_mid|brilliance": 0.8552,
"low_mid|air": 0.5471,
"mid|upper_mid": 0.9721,
"mid|presence": 0.9926,
"mid|brilliance": 0.8287,
"mid|air": 0.5269,
"upper_mid|presence": 0.9741,
"upper_mid|brilliance": 0.8434,
"upper_mid|air": 0.5366,
"presence|brilliance": 0.8278,
"presence|air": 0.5263,
"brilliance|air": 0.6254
},
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1.3,
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}
}