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"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": 99.38,
"tempo_bpm_median_local": 143.55,
"tempo_iqr_bpm": 52.62,
"tempo_stability": 0.0,
"beat_interval_cv": 0.0608
},
"dominant_onset_period_s": 3.2508,
"dominant_onset_period_bpm": 18.46,
"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": 0.565,
"onset_rate_per_s": 10.765
}
},
"tonality": {
"key": "F#",
"mode": "minor",
"windowed_key_agreement": 0.6122,
"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": 0.824,
"onset_bars": 0.52,
"pitch_contour": "UDDUDUUD-DUUUDD",
"interval_vocabulary_semitones": [
0,
2,
3,
4,
5,
21,
24
],
"intervals": [
3.0,
-5.0,
-24.0,
24.0,
-2.0,
2.0,
2.0,
-4.0,
0.0,
-21.33,
21.33,
4.0,
3.0,
-3.0,
-2.0
],
"range_semitones": 29.0,
"distinctive_deviation": {
"largest_interval_semitones": -24.0,
"at_note_index": 3,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.8751,
"self_similarity_baseline": 0.7826,
"self_similarity_lift": 0.0926,
"recurrence_lag_s": 6.502,
"interval_3gram_repetition": 0.4097,
"interval_4gram_repetition": 0.2589
},
"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": 63.808,
"exit_s": 103.445,
"active_fraction": 0.1894,
"segments": [
[
63.808,
64.528
],
[
67.175,
68.452
],
[
70.519,
71.146
],
[
71.262,
71.889
],
[
74.165,
75.418
],
[
80.132,
80.689
],
[
102.911,
103.445
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 2.81,
"exit_s": 194.583,
"active_fraction": 0.3926,
"segments": [
[
2.81,
3.483
],
[
6.06,
6.757
],
[
8.916,
9.985
],
[
12.144,
13.235
],
[
15.395,
16.486
],
[
18.646,
19.76
],
[
21.873,
23.011
],
[
25.124,
26.262
],
[
27.144,
27.678
],
[
28.375,
29.513
],
[
31.602,
32.74
],
[
34.853,
35.968
],
[
38.104,
39.242
],
[
40.124,
40.658
],
[
41.332,
42.469
],
[
44.582,
45.697
],
[
47.833,
48.948
],
[
51.061,
52.129
],
[
54.311,
55.38
],
[
57.562,
58.654
],
[
60.813,
61.904
],
[
64.041,
65.155
],
[
66.084,
66.595
],
[
67.291,
68.383
],
[
70.542,
71.68
],
[
73.77,
74.908
],
[
77.021,
78.669
],
[
79.041,
79.598
],
[
80.248,
81.409
],
[
82.779,
85.171
],
[
86.75,
87.888
],
[
89.281,
91.626
],
[
92.021,
92.578
],
[
93.228,
94.389
],
[
95.782,
96.316
],
[
96.479,
98.151
],
[
99.706,
100.844
],
[
102.237,
104.025
],
[
106.58,
107.253
],
[
158.105,
159.219
],
[
161.332,
162.47
],
[
163.376,
163.956
],
[
164.583,
165.721
],
[
167.834,
168.948
],
[
171.061,
172.199
],
[
174.312,
175.45
],
[
176.332,
176.913
],
[
177.563,
178.701
],
[
180.791,
181.905
],
[
184.041,
185.133
],
[
187.292,
188.36
],
[
189.312,
189.823
],
[
190.543,
191.588
],
[
193.771,
194.583
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.0,
"exit_s": 194.444,
"active_fraction": 0.4269,
"segments": [
[
0.0,
1.997
],
[
2.415,
3.506
],
[
9.265,
9.938
],
[
15.395,
16.045
],
[
18.622,
19.783
],
[
21.85,
22.941
],
[
25.054,
25.751
],
[
26.54,
27.423
],
[
28.352,
29.002
],
[
31.602,
32.763
],
[
34.853,
35.921
],
[
38.081,
39.265
],
[
41.308,
41.958
],
[
44.513,
45.697
],
[
45.999,
46.835
],
[
47.81,
48.901
],
[
51.061,
51.688
],
[
51.873,
53.87
],
[
54.311,
55.403
],
[
57.562,
58.654
],
[
60.79,
61.858
],
[
64.041,
64.668
],
[
67.268,
67.918
],
[
70.519,
71.703
],
[
73.77,
74.908
],
[
76.997,
77.648
],
[
79.041,
79.621
],
[
80.225,
80.898
],
[
83.476,
84.73
],
[
84.869,
85.775
],
[
86.727,
87.841
],
[
89.977,
90.627
],
[
93.228,
94.343
],
[
96.456,
97.686
],
[
99.683,
100.821
],
[
102.934,
103.584
],
[
158.081,
159.196
],
[
161.332,
161.959
],
[
164.583,
165.21
],
[
167.811,
168.972
],
[
171.061,
172.199
],
[
174.312,
175.45
],
[
176.332,
176.959
],
[
177.54,
178.19
],
[
180.791,
183.647
],
[
183.995,
185.133
],
[
187.269,
187.919
],
[
188.082,
190.125
],
[
190.473,
191.634
],
[
193.771,
194.444
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.0,
"exit_s": 194.583,
"active_fraction": 0.9575,
"segments": [
[
0.0,
1.974
],
[
2.322,
5.155
],
[
5.48,
12.794
],
[
12.91,
107.253
],
[
110.295,
151.115
],
[
155.667,
194.583
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.0,
"exit_s": 194.583,
"active_fraction": 0.8319,
"segments": [
[
0.0,
1.509
],
[
1.834,
2.461
],
[
3.715,
4.296
],
[
5.085,
5.735
],
[
6.502,
8.057
],
[
8.313,
8.963
],
[
9.125,
11.215
],
[
11.54,
17.763
],
[
18.065,
30.65
],
[
30.999,
43.63
],
[
44.002,
56.61
],
[
57.121,
59.42
],
[
59.49,
63.112
],
[
63.46,
69.59
],
[
69.892,
105.14
],
[
112.663,
114.869
],
[
115.566,
116.657
],
[
119.142,
120.721
],
[
122.044,
123.135
],
[
125.62,
127.803
],
[
128.546,
129.614
],
[
132.122,
134.165
],
[
135.024,
136.115
],
[
138.6,
140.225
],
[
141.526,
142.594
],
[
145.078,
147.145
],
[
148.004,
149.072
],
[
155.667,
194.583
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.418,
"exit_s": 194.583,
"active_fraction": 0.6762,
"segments": [
[
0.418,
1.486
],
[
1.834,
3.483
],
[
3.669,
4.737
],
[
5.062,
8.011
],
[
8.266,
11.238
],
[
11.471,
17.81
],
[
18.065,
28.955
],
[
32.438,
33.437
],
[
34.064,
35.48
],
[
37.198,
37.756
],
[
37.895,
41.982
],
[
45.418,
48.46
],
[
49.969,
51.502
],
[
51.943,
54.01
],
[
55.333,
55.983
],
[
56.982,
58.282
],
[
58.468,
59.048
],
[
61.788,
65.829
],
[
66.061,
70.124
],
[
70.542,
77.16
],
[
77.415,
81.131
],
[
81.316,
104.815
],
[
105.395,
106.069
],
[
106.115,
107.044
],
[
127.013,
127.524
],
[
131.216,
131.82
],
[
133.445,
134.026
],
[
155.667,
182.602
],
[
182.764,
183.507
],
[
183.925,
185.179
],
[
185.945,
186.921
],
[
187.083,
187.826
],
[
188.244,
189.521
],
[
190.264,
191.263
],
[
191.425,
192.215
],
[
192.447,
194.583
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.0,
"exit_s": 194.583,
"active_fraction": 0.6741,
"segments": [
[
0.0,
1.556
],
[
1.834,
3.506
],
[
3.669,
4.76
],
[
5.085,
8.127
],
[
8.243,
11.262
],
[
11.564,
17.833
],
[
18.042,
27.957
],
[
32.461,
34.389
],
[
35.155,
35.666
],
[
36.386,
37.105
],
[
38.963,
40.983
],
[
45.418,
47.438
],
[
47.717,
48.437
],
[
50.48,
51.316
],
[
52.198,
53.708
],
[
55.124,
56.517
],
[
57.237,
57.748
],
[
58.445,
60.209
],
[
61.533,
64.551
],
[
64.853,
69.683
],
[
70.449,
77.16
],
[
77.415,
107.067
],
[
155.667,
183.623
],
[
183.879,
185.458
],
[
185.574,
186.921
],
[
187.106,
187.826
],
[
188.244,
189.986
],
[
190.264,
194.583
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 6.478,
"exit_s": 194.583,
"active_fraction": 0.6132,
"segments": [
[
6.478,
8.081
],
[
8.22,
9.567
],
[
9.729,
15.627
],
[
15.79,
17.856
],
[
18.112,
21.2
],
[
21.409,
27.307
],
[
32.415,
33.785
],
[
38.893,
40.287
],
[
45.395,
46.765
],
[
52.291,
52.918
],
[
58.352,
59.722
],
[
64.853,
66.618
],
[
71.262,
73.166
],
[
74.165,
74.745
],
[
74.977,
76.022
],
[
77.81,
79.644
],
[
80.248,
80.875
],
[
80.991,
102.284
],
[
102.516,
107.137
],
[
110.666,
111.247
],
[
155.667,
176.936
],
[
177.052,
182.648
],
[
182.811,
183.461
],
[
183.623,
185.202
],
[
185.969,
186.944
],
[
187.13,
187.78
],
[
188.082,
189.452
],
[
190.125,
192.261
],
[
192.47,
194.583
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 6.478,
"exit_s": 193.91,
"active_fraction": 0.6756,
"segments": [
[
6.478,
9.59
],
[
9.752,
18.808
],
[
18.971,
21.316
],
[
21.362,
27.794
],
[
27.841,
29.396
],
[
29.489,
30.232
],
[
30.72,
31.765
],
[
32.345,
33.855
],
[
34.342,
35.875
],
[
35.991,
37.105
],
[
37.593,
38.243
],
[
38.87,
40.774
],
[
40.821,
42.376
],
[
42.469,
43.607
],
[
43.677,
44.722
],
[
45.325,
47.253
],
[
47.299,
48.855
],
[
48.948,
50.085
],
[
50.178,
51.27
],
[
58.654,
59.42
],
[
60.302,
61.44
],
[
61.928,
62.671
],
[
64.784,
68.336
],
[
68.406,
69.567
],
[
69.613,
70.682
],
[
71.239,
77.16
],
[
77.74,
105.186
],
[
105.326,
107.067
],
[
155.667,
183.623
],
[
183.832,
185.249
],
[
185.551,
186.921
],
[
187.083,
187.803
],
[
188.198,
189.568
],
[
190.264,
193.91
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.4104,
"sub|bass": 0.3697,
"sub|low_mid": 0.1978,
"sub|mid": 0.213,
"sub|upper_mid": 0.2457,
"sub|presence": 0.2463,
"sub|brilliance": 0.2256,
"sub|air": 0.2406,
"low_bass|bass": 0.7106,
"low_bass|low_mid": 0.4082,
"low_bass|mid": 0.4462,
"low_bass|upper_mid": 0.4628,
"low_bass|presence": 0.4784,
"low_bass|brilliance": 0.4303,
"low_bass|air": 0.47,
"bass|low_mid": 0.4444,
"bass|mid": 0.4907,
"bass|upper_mid": 0.5003,
"bass|presence": 0.5203,
"bass|brilliance": 0.4715,
"bass|air": 0.5064,
"low_mid|mid": 0.8616,
"low_mid|upper_mid": 0.6996,
"low_mid|presence": 0.6973,
"low_mid|brilliance": 0.6353,
"low_mid|air": 0.7,
"mid|upper_mid": 0.7491,
"mid|presence": 0.7574,
"mid|brilliance": 0.6482,
"mid|air": 0.7643,
"upper_mid|presence": 0.8562,
"upper_mid|brilliance": 0.7301,
"upper_mid|air": 0.7923,
"presence|brilliance": 0.7532,
"presence|air": 0.8529,
"brilliance|air": 0.7806
},
"simultaneity_curve": {
"times_s": [
0.0,
0.186,
0.372,
0.557,
0.743,
0.929,
1.115,
1.3,
1.486,
1.672,
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3.158,
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28.05,
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"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."
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640.1,
1543.2,
1868.5,
760.0,
1147.8,
1113.7,
1319.6,
2062.4,
1700.9,
1179.8,
1451.7,
823.0,
1232.3,
994.3,
2184.5,
1171.4,
1225.5,
694.7,
790.9,
2477.5,
1157.8,
1188.8,
1120.9,
1447.2,
1348.7,
1280.0,
1845.7,
1339.6,
1426.2,
1423.9,
1012.9,
1240.2,
2104.6,
1486.3,
1749.2,
821.6,
1774.1,
1655.4,
1733.3,
1236.4,
1021.8,
1338.3,
1295.0,
1914.4,
1568.3,
1530.7,
1374.9,
1561.6,
1011.4,
1996.0,
1875.9,
1552.1,
855.0,
1336.6,
1578.9,
1631.9,
1809.6,
1141.7,
1411.1,
1579.4,
1356.8,
1864.1,
1503.6,
1854.2,
2326.9,
1744.6,
1309.8,
2663.4,
2096.3,
1729.4,
1796.9,
1997.2,
1571.3,
2129.2,
1605.6,
1846.4,
2010.8,
1905.4,
1310.9,
1510.5,
1905.9,
2112.4,
1394.7,
1863.8,
1528.9,
2141.6,
1638.4,
1933.3,
1664.9,
1742.9,
1831.3,
2023.2,
2048.7,
1683.5,
441.2,
377.2,
359.0,
2037.5,
1202.3,
1193.0,
1306.2,
737.1,
901.0,
2530.5,
894.8,
1214.7,
1548.7,
782.6,
1193.9,
1224.2,
679.8,
860.0,
1458.5,
741.1,
1182.3,
2006.1,
757.2,
803.9,
1218.5,
617.4,
1172.4,
1127.9,
830.4,
1067.4,
1340.4,
826.1,
668.8,
1696.6,
822.7,
867.2,
1294.6,
454.9,
1489.9,
1767.5,
632.6,
764.7,
1433.2,
643.3,
708.3,
1770.6,
431.8,
820.6,
1679.5,
886.2,
789.4,
1454.3,
667.0,
852.0,
537.8,
391.8,
376.8,
372.0,
379.3,
391.6,
406.6,
400.0,
382.1,
370.6,
1387.5,
1579.2,
1670.9,
1299.4,
1406.9,
2309.8,
2348.1,
1517.7,
1173.2,
1485.2,
1408.9,
2026.4,
1519.0,
1261.2,
1848.4,
1362.1,
1383.1,
1565.8,
1397.1,
1478.3,
1484.5,
1152.2,
1359.4,
2011.9,
1442.4,
1558.1,
1582.8,
1439.9,
1539.9,
1853.9,
1419.9,
1260.4,
1830.1,
1385.6,
1242.0,
1888.5,
1191.4,
1273.6,
1542.9,
1383.1,
1640.9,
2084.7,
1358.3,
1644.9,
1961.6,
1164.3,
1731.1,
1610.4,
1594.9,
1327.3,
1596.3,
1271.5
],
"spectral_rolloff85_hz_mean": 2595.2,
"spectral_flatness_mean": 0.00214,
"signature_colour": "warm"
}
}
}