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"global_bpm": 123.05,
"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": 123.05,
"tempo_bpm_median_local": 123.05,
"tempo_iqr_bpm": 6.15,
"tempo_stability": 0.8,
"beat_interval_cv": 0.0544
},
"dominant_onset_period_s": 1.2771,
"dominant_onset_period_bpm": 46.98,
"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": 0.666,
"onset_rate_per_s": 10.768
}
},
"tonality": {
"key": "G#",
"mode": "minor",
"windowed_key_agreement": 0.2439,
"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": 0.534,
"onset_bars": 0.32,
"pitch_contour": "UUDUUDUDUDUDDUU",
"interval_vocabulary_semitones": [
1,
2,
3,
4,
5
],
"intervals": [
1.0,
2.0,
-5.0,
5.0,
2.0,
-4.0,
4.0,
-2.0,
2.0,
-4.0,
4.0,
-2.0,
-3.0,
1.0,
2.0
],
"range_semitones": 7.0,
"distinctive_deviation": {
"largest_interval_semitones": -5.0,
"at_note_index": 3,
"is_licensed_leap": false
}
},
"motif_economy": {
"self_similarity_peak": 0.8281,
"self_similarity_baseline": 0.5272,
"self_similarity_lift": 0.3009,
"recurrence_lag_s": 0.464,
"interval_3gram_repetition": 0.0854,
"interval_4gram_repetition": 0.0179
},
"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": 101.611,
"exit_s": 105.419,
"active_fraction": 0.025,
"segments": [
[
101.611,
105.419
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 21.06,
"exit_s": 153.205,
"active_fraction": 0.3606,
"segments": [
[
21.06,
22.036
],
[
22.988,
24.381
],
[
26.192,
26.889
],
[
28.119,
29.698
],
[
30.0,
30.697
],
[
31.254,
32.09
],
[
33.831,
34.575
],
[
35.736,
36.757
],
[
38.29,
39.311
],
[
40.194,
42.307
],
[
44.048,
47.392
],
[
48.506,
51.107
],
[
51.27,
52.547
],
[
53.383,
53.917
],
[
54.242,
57.191
],
[
60.651,
61.463
],
[
80.55,
83.36
],
[
84.358,
85.38
],
[
90.117,
91.022
],
[
91.417,
92.137
],
[
92.671,
93.669
],
[
94.598,
95.945
],
[
97.176,
98.058
],
[
99.73,
105.953
],
[
106.672,
108.6
],
[
110.62,
116.495
],
[
117.656,
118.608
],
[
120.86,
121.673
],
[
123.414,
124.436
],
[
125.411,
126.456
],
[
131.402,
132.354
],
[
132.725,
133.817
],
[
134.072,
135.094
],
[
136.069,
137.114
],
[
138.275,
139.134
],
[
152.184,
153.205
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 16.486,
"exit_s": 157.733,
"active_fraction": 0.6314,
"segments": [
[
16.486,
19.319
],
[
20.155,
26.982
],
[
27.074,
48.158
],
[
48.53,
62.415
],
[
80.596,
81.688
],
[
81.85,
85.705
],
[
86.657,
88.84
],
[
89.513,
90.836
],
[
90.976,
94.9
],
[
95.202,
96.247
],
[
96.827,
116.495
],
[
116.68,
117.284
],
[
117.47,
121.858
],
[
122.114,
125.016
],
[
125.388,
126.572
],
[
126.99,
130.937
],
[
131.239,
133.492
],
[
133.933,
137.462
],
[
138.112,
139.854
],
[
152.23,
152.996
],
[
153.995,
157.733
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.557,
"exit_s": 158.499,
"active_fraction": 0.8638,
"segments": [
[
0.557,
1.881
],
[
3.135,
4.365
],
[
14.048,
14.652
],
[
16.022,
141.595
],
[
143.151,
145.334
],
[
147.377,
154.32
],
[
154.529,
158.499
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.58,
"exit_s": 159.01,
"active_fraction": 0.9353,
"segments": [
[
0.58,
10.588
],
[
10.867,
141.41
],
[
143.128,
144.776
],
[
144.846,
147.632
],
[
148.143,
148.654
],
[
149.792,
150.303
],
[
152.393,
159.01
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.557,
"exit_s": 158.824,
"active_fraction": 0.9437,
"segments": [
[
0.557,
10.565
],
[
10.89,
141.526
],
[
143.128,
152.207
],
[
153.298,
158.824
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.604,
"exit_s": 158.639,
"active_fraction": 0.931,
"segments": [
[
0.604,
10.472
],
[
10.913,
18.553
],
[
18.831,
19.83
],
[
20.712,
39.01
],
[
39.381,
80.086
],
[
80.155,
141.526
],
[
143.221,
152.137
],
[
154.018,
158.639
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.952,
"exit_s": 158.848,
"active_fraction": 0.8698,
"segments": [
[
0.952,
1.834
],
[
3.715,
4.365
],
[
4.807,
5.689
],
[
5.898,
7.012
],
[
7.361,
8.29
],
[
8.615,
10.449
],
[
11.099,
12.214
],
[
12.562,
13.491
],
[
16.556,
141.108
],
[
143.662,
144.544
],
[
149.862,
150.767
],
[
153.275,
158.848
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 41.006,
"exit_s": 138.228,
"active_fraction": 0.3228,
"segments": [
[
41.006,
44.071
],
[
53.29,
54.288
],
[
54.915,
55.496
],
[
58.027,
59.002
],
[
61.394,
63.576
],
[
82.454,
83.894
],
[
84.381,
85.171
],
[
85.426,
88.398
],
[
88.84,
89.629
],
[
90.744,
91.626
],
[
92.044,
92.996
],
[
93.298,
94.273
],
[
94.575,
95.388
],
[
95.898,
97.315
],
[
97.779,
100.31
],
[
101.1,
125.365
],
[
131.889,
133.375
],
[
137.114,
138.228
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.0692,
"sub|bass": 0.0395,
"sub|low_mid": 0.0289,
"sub|mid": 0.0267,
"sub|upper_mid": 0.0264,
"sub|presence": 0.0268,
"sub|brilliance": 0.0287,
"sub|air": 0.0773,
"low_bass|bass": 0.5534,
"low_bass|low_mid": 0.4175,
"low_bass|mid": 0.3837,
"low_bass|upper_mid": 0.3733,
"low_bass|presence": 0.3752,
"low_bass|brilliance": 0.405,
"low_bass|air": 0.308,
"bass|low_mid": 0.7264,
"bass|mid": 0.6723,
"bass|upper_mid": 0.6576,
"bass|presence": 0.6561,
"bass|brilliance": 0.7133,
"bass|air": 0.4119,
"low_mid|mid": 0.8899,
"low_mid|upper_mid": 0.8988,
"low_mid|presence": 0.8897,
"low_mid|brilliance": 0.8823,
"low_mid|air": 0.3737,
"mid|upper_mid": 0.9766,
"mid|presence": 0.965,
"mid|brilliance": 0.9242,
"mid|air": 0.3451,
"upper_mid|presence": 0.9866,
"upper_mid|brilliance": 0.9203,
"upper_mid|air": 0.3421,
"presence|brilliance": 0.9114,
"presence|air": 0.3467,
"brilliance|air": 0.3711
},
"simultaneity_curve": {
"times_s": [
0.0,
0.186,
0.372,
0.557,
0.743,
0.929,
1.115,
1.3,
1.486,
1.672,
1.858,
2.043,
2.229,
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2.601,
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3.158,
3.344,
3.529,
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4.83,
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6.13,
6.316,
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29.164,
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31.022,
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