music/exemplars/formula_cards/UNMATCHED__Portal2-06-Overgrowth.json
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"duration_s": 2.74,
"delta_bpm": -15.55,
"shape": "step"
},
{
"position_s": 127.78,
"duration_s": 4.53,
"delta_bpm": 52.74,
"shape": "step"
},
{
"position_s": 133.12,
"duration_s": 5.36,
"delta_bpm": 35.33,
"shape": "step"
},
{
"position_s": 138.86,
"duration_s": 1.65,
"delta_bpm": -6.62,
"shape": "step"
},
{
"position_s": 141.73,
"duration_s": 2.25,
"delta_bpm": 17.41,
"shape": "step"
},
{
"position_s": 144.45,
"duration_s": 4.88,
"delta_bpm": -11.17,
"shape": "step"
},
{
"position_s": 168.09,
"duration_s": 2.39,
"delta_bpm": 54.42,
"shape": "step"
}
],
"dispersion_bpm": 30.512,
"rubato_depth_bpm": 61.523
},
"global_bpm": 129.2,
"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": 129.2,
"tempo_bpm_median_local": 123.05,
"tempo_iqr_bpm": 11.75,
"tempo_stability": 0.6182,
"beat_interval_cv": 0.0565
},
"dominant_onset_period_s": 0.4412,
"dominant_onset_period_bpm": 136.0,
"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": 0.573,
"onset_rate_per_s": 10.768
}
},
"tonality": {
"key": "G",
"mode": "major",
"windowed_key_agreement": 0.9535,
"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": 0.197,
"onset_bars": 0.11,
"pitch_contour": "UDDUUUDDUDUDDUD",
"interval_vocabulary_semitones": [
2,
4,
7
],
"intervals": [
4.0,
-4.0,
-2.0,
2.0,
4.0,
7.0,
-7.0,
-4.0,
4.0,
-4.0,
4.0,
-4.0,
-2.0,
2.0,
-4.0
],
"range_semitones": 15.0,
"distinctive_deviation": {
"largest_interval_semitones": 7.0,
"at_note_index": 6,
"is_licensed_leap": false
}
},
"motif_economy": {
"self_similarity_peak": 0.9727,
"self_similarity_baseline": 0.8928,
"self_similarity_lift": 0.0799,
"recurrence_lag_s": 9.52,
"interval_3gram_repetition": 0.6787,
"interval_4gram_repetition": 0.5645
},
"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": 0.186,
"exit_s": 164.444,
"active_fraction": 0.9515,
"segments": [
[
0.186,
2.577
],
[
2.763,
68.847
],
[
68.963,
97.268
],
[
97.454,
151.51
],
[
151.603,
157.455
],
[
157.663,
158.407
],
[
158.732,
159.777
],
[
159.962,
160.891
],
[
161.17,
162.099
],
[
162.377,
163.283
],
[
163.608,
164.444
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.372,
"exit_s": 162.888,
"active_fraction": 0.9507,
"segments": [
[
0.372,
160.961
],
[
161.123,
162.099
],
[
162.331,
162.888
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.743,
"exit_s": 163.794,
"active_fraction": 0.9537,
"segments": [
[
0.743,
9.938
],
[
10.194,
162.633
],
[
163.051,
163.794
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.929,
"exit_s": 162.865,
"active_fraction": 0.9529,
"segments": [
[
0.929,
9.961
],
[
10.379,
162.865
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 7.268,
"exit_s": 163.445,
"active_fraction": 0.9147,
"segments": [
[
7.268,
9.543
],
[
11.447,
163.445
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 15.929,
"exit_s": 162.865,
"active_fraction": 0.8001,
"segments": [
[
15.929,
20.48
],
[
25.403,
30.372
],
[
30.929,
31.927
],
[
32.044,
39.892
],
[
40.449,
148.05
],
[
148.445,
156.015
],
[
160.775,
162.865
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.093,
"exit_s": 159.568,
"active_fraction": 0.5955,
"segments": [
[
0.093,
3.042
],
[
9.52,
13.468
],
[
18.947,
22.639
],
[
27.4,
32.717
],
[
36.943,
42.26
],
[
46.51,
51.78
],
[
56.053,
61.324
],
[
65.62,
71.146
],
[
75.186,
80.341
],
[
84.73,
90.21
],
[
94.296,
99.474
],
[
103.84,
109.087
],
[
110.945,
115.171
],
[
116.007,
119.002
],
[
120.512,
124.598
],
[
125.527,
128.592
],
[
129.985,
133.84
],
[
134.42,
136.162
],
[
136.417,
138.112
],
[
139.18,
143.314
],
[
143.964,
145.519
],
[
146.007,
147.632
],
[
148.701,
151.58
],
[
153.484,
154.088
],
[
158.221,
159.568
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 16.138,
"exit_s": 149.885,
"active_fraction": 0.1828,
"segments": [
[
16.138,
18.367
],
[
25.612,
27.144
],
[
35.132,
36.641
],
[
44.629,
46.138
],
[
54.149,
55.681
],
[
55.867,
56.378
],
[
63.669,
65.178
],
[
65.295,
65.898
],
[
73.166,
74.675
],
[
82.686,
84.939
],
[
92.206,
93.716
],
[
93.832,
94.436
],
[
101.703,
103.213
],
[
111.224,
112.756
],
[
120.744,
122.253
],
[
122.369,
122.973
],
[
130.241,
131.75
],
[
139.18,
140.69
],
[
148.677,
149.885
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 2.09,
"exit_s": 153.298,
"active_fraction": 0.8633,
"segments": [
[
2.09,
2.949
],
[
11.401,
153.298
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.9833,
"sub|bass": 0.9785,
"sub|low_mid": 0.9793,
"sub|mid": 0.9415,
"sub|upper_mid": 0.8314,
"sub|presence": 0.6154,
"sub|brilliance": 0.1919,
"sub|air": 0.9016,
"low_bass|bass": 0.9881,
"low_bass|low_mid": 0.9875,
"low_bass|mid": 0.9459,
"low_bass|upper_mid": 0.8376,
"low_bass|presence": 0.6236,
"low_bass|brilliance": 0.1923,
"low_bass|air": 0.9081,
"bass|low_mid": 0.9932,
"bass|mid": 0.951,
"bass|upper_mid": 0.8363,
"bass|presence": 0.6181,
"bass|brilliance": 0.1917,
"bass|air": 0.9009,
"low_mid|mid": 0.9523,
"low_mid|upper_mid": 0.8396,
"low_mid|presence": 0.6152,
"low_mid|brilliance": 0.1918,
"low_mid|air": 0.9006,
"mid|upper_mid": 0.8747,
"mid|presence": 0.6001,
"mid|brilliance": 0.1999,
"mid|air": 0.9012,
"upper_mid|presence": 0.6015,
"upper_mid|brilliance": 0.2262,
"upper_mid|air": 0.8715,
"presence|brilliance": 0.15,
"presence|air": 0.6319,
"brilliance|air": 0.2096
},
"simultaneity_curve": {
"times_s": [
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0.186,
0.372,
0.557,
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1.115,
1.3,
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3.158,
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3.529,
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4.087,
4.272,
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177.4,
171.0,
155.1,
132.5,
211.7,
222.6,
153.4,
207.8,
167.3,
203.9,
192.6,
162.2,
191.4,
159.9,
159.9,
158.3,
139.3,
214.3,
184.3,
159.8,
229.2,
159.6,
177.1,
197.9,
162.0,
183.8,
162.7,
173.6,
163.7,
215.7,
215.5,
229.1,
176.9,
179.0,
199.8,
190.1,
211.8,
189.4,
186.4,
259.4,
209.5,
234.9,
427.5,
696.5,
1786.0,
0.0
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"spectral_rolloff85_hz_mean": 281.2,
"spectral_flatness_mean": 0.00611,
"signature_colour": "dark"
}
}
}