music/exemplars/formula_cards/UNMATCHED__Portal2-03-999999.json
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"delta_bpm": -23.79,
"shape": "step"
},
{
"position_s": 165.07,
"duration_s": 10.68,
"delta_bpm": 72.53,
"shape": "step"
},
{
"position_s": 175.98,
"duration_s": 9.87,
"delta_bpm": -49.35,
"shape": "step"
}
],
"dispersion_bpm": 25.72,
"rubato_depth_bpm": 10.767
},
"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": 0.0263
},
"dominant_onset_period_s": 0.3483,
"dominant_onset_period_bpm": 172.27,
"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": 0.587,
"onset_rate_per_s": 10.765
}
},
"tonality": {
"key": "D",
"mode": "minor",
"windowed_key_agreement": 0.3125,
"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": 0.046,
"onset_bars": 0.03,
"pitch_contour": "DUDU-UDU-DUDUD-",
"interval_vocabulary_semitones": [
0,
3,
7,
12,
15,
18,
19
],
"intervals": [
-19.0,
7.0,
-7.0,
3.0,
0.0,
12.0,
-12.0,
12.0,
0.0,
-15.0,
18.0,
-19.0,
19.0,
-19.0,
0.0
],
"range_semitones": 20.0,
"distinctive_deviation": {
"largest_interval_semitones": -19.0,
"at_note_index": 1,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.9438,
"self_similarity_baseline": 0.6724,
"self_similarity_lift": 0.2714,
"recurrence_lag_s": 0.464,
"interval_3gram_repetition": 0.3755,
"interval_4gram_repetition": 0.209
},
"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": 67.779,
"exit_s": 141.642,
"active_fraction": 0.3861,
"segments": [
[
67.779,
141.642
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 52.802,
"exit_s": 138.693,
"active_fraction": 0.3827,
"segments": [
[
52.802,
53.336
],
[
54.288,
55.008
],
[
67.779,
138.693
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.023,
"exit_s": 183.182,
"active_fraction": 0.9459,
"segments": [
[
0.023,
15.975
],
[
16.625,
33.042
],
[
33.576,
49.83
],
[
50.503,
169.366
],
[
169.506,
179.676
],
[
181.325,
183.182
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.395,
"exit_s": 183.925,
"active_fraction": 0.9577,
"segments": [
[
0.395,
2.694
],
[
2.856,
181.325
],
[
181.51,
183.925
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.0,
"exit_s": 183.507,
"active_fraction": 0.9591,
"segments": [
[
0.0,
183.507
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.023,
"exit_s": 184.088,
"active_fraction": 0.962,
"segments": [
[
0.023,
184.088
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 33.901,
"exit_s": 157.222,
"active_fraction": 0.5249,
"segments": [
[
33.901,
37.57
],
[
39.915,
41.958
],
[
44.071,
46.184
],
[
48.298,
50.411
],
[
51.827,
54.846
],
[
55.798,
56.703
],
[
56.773,
58.955
],
[
60.999,
63.205
],
[
65.364,
67.431
],
[
67.779,
136.603
],
[
156.665,
157.222
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 34.203,
"exit_s": 135.744,
"active_fraction": 0.4368,
"segments": [
[
34.203,
37.291
],
[
39.915,
41.726
],
[
44.071,
46.022
],
[
48.414,
50.132
],
[
52.686,
54.358
],
[
56.959,
58.538
],
[
61.161,
62.81
],
[
65.434,
66.966
],
[
67.779,
135.744
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 33.994,
"exit_s": 135.581,
"active_fraction": 0.4399,
"segments": [
[
33.994,
37.779
],
[
39.915,
42.005
],
[
44.164,
46.231
],
[
48.39,
50.48
],
[
52.64,
54.66
],
[
56.866,
58.886
],
[
61.115,
63.135
],
[
65.341,
67.361
],
[
67.779,
74.884
],
[
75.186,
83.406
],
[
83.685,
92.114
],
[
92.578,
96.038
],
[
96.27,
104.49
],
[
104.745,
108.716
],
[
108.832,
113.244
],
[
113.546,
117.539
],
[
117.772,
121.394
],
[
121.719,
125.829
],
[
125.899,
130.218
],
[
130.519,
135.581
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.9347,
"sub|bass": 0.4082,
"sub|low_mid": 0.4032,
"sub|mid": 0.4026,
"sub|upper_mid": 0.4014,
"sub|presence": 0.6857,
"sub|brilliance": 0.7648,
"sub|air": 0.7146,
"low_bass|bass": 0.4046,
"low_bass|low_mid": 0.3996,
"low_bass|mid": 0.399,
"low_bass|upper_mid": 0.3978,
"low_bass|presence": 0.7101,
"low_bass|brilliance": 0.7858,
"low_bass|air": 0.7413,
"bass|low_mid": 0.9804,
"bass|mid": 0.9862,
"bass|upper_mid": 0.9832,
"bass|presence": 0.552,
"bass|brilliance": 0.4596,
"bass|air": 0.4617,
"low_mid|mid": 0.9939,
"low_mid|upper_mid": 0.9955,
"low_mid|presence": 0.5482,
"low_mid|brilliance": 0.4562,
"low_mid|air": 0.4593,
"mid|upper_mid": 0.9967,
"mid|presence": 0.5473,
"mid|brilliance": 0.4555,
"mid|air": 0.4586,
"upper_mid|presence": 0.5457,
"upper_mid|brilliance": 0.4541,
"upper_mid|air": 0.4572,
"presence|brilliance": 0.8322,
"presence|air": 0.8308,
"brilliance|air": 0.9329
},
"simultaneity_curve": {
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168.67,
169.41,
170.16,
170.9,
171.64,
172.38,
173.13,
173.87,
174.61,
175.36,
176.1,
176.84,
177.59,
178.33,
179.07,
179.82,
180.56,
181.3,
182.04,
182.79,
183.53,
184.27,
185.02,
185.76,
186.5,
187.25,
187.99,
188.73,
189.47,
190.22,
190.96
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},
"register": {
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"melody_tessitura_midi": 50.0,
"bass_floor_band": {
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"low_bass": 0.09787,
"bass": 0.13353,
"low_mid": 0.23351,
"mid": 0.27812,
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"air": 0.00118,
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},
"octave_band_profile": {
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}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.09962,
"interior_distance_median": 0.01569,
"seam_ratio": 6.348,
"seam_clean": false,
"tail_rms_over_mid": 0.0015,
"head_rms_over_mid": 0.8161,
"tail_rms_trend": -0.7529,
"head_rms_trend": -0.7953,
"baked_fade_out": true,
"baked_fade_in": false
},
"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": {
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796.9,
786.1,
1059.7,
623.4,
481.1,
654.6,
783.0,
658.4,
434.2,
483.9,
573.5,
691.1,
515.7,
441.7,
483.4,
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992.5,
600.1,
452.9,
456.4,
731.1,
672.2,
501.9,
485.6,
530.5,
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494.8,
490.7,
577.6,
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520.9,
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489.6,
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613.5,
618.5,
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451.5,
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628.0,
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"signature_colour": "dark"
}
}
}