music/exemplars/formula_cards/UNMATCHED__19_Message_From_Nightopia.json
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"delta_bpm": 86.33,
"shape": "step"
},
{
"position_s": 79.71,
"duration_s": 2.44,
"delta_bpm": -16.38,
"shape": "step"
},
{
"position_s": 100.38,
"duration_s": 2.86,
"delta_bpm": -20.35,
"shape": "step"
},
{
"position_s": 136.49,
"duration_s": 3.2,
"delta_bpm": -22.87,
"shape": "step"
},
{
"position_s": 141.04,
"duration_s": 6.46,
"delta_bpm": -37.42,
"shape": "step"
},
{
"position_s": 147.63,
"duration_s": 3.67,
"delta_bpm": 91.84,
"shape": "step"
},
{
"position_s": 151.44,
"duration_s": 3.39,
"delta_bpm": -38.95,
"shape": "step"
},
{
"position_s": 154.97,
"duration_s": 4.69,
"delta_bpm": 103.01,
"shape": "step"
},
{
"position_s": 159.78,
"duration_s": 2.74,
"delta_bpm": -38.14,
"shape": "step"
},
{
"position_s": 162.66,
"duration_s": 3.23,
"delta_bpm": 83.8,
"shape": "step"
},
{
"position_s": 166.02,
"duration_s": 2.81,
"delta_bpm": -38.66,
"shape": "step"
},
{
"position_s": 168.97,
"duration_s": 7.52,
"delta_bpm": 113.7,
"shape": "step"
}
],
"dispersion_bpm": 58.527,
"rubato_depth_bpm": 194.824
},
"global_bpm": 136.0,
"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": 136.0,
"tempo_bpm_median_local": 136.0,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0275
},
"dominant_onset_period_s": 1.7183,
"dominant_onset_period_bpm": 34.92,
"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": 0.57,
"onset_rate_per_s": 10.765
}
},
"tonality": {
"key": "D",
"mode": "minor",
"windowed_key_agreement": 0.3409,
"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": 1.045,
"onset_bars": 0.59,
"pitch_contour": "---DUD----DU-DU",
"interval_vocabulary_semitones": [
0,
1,
2,
3
],
"intervals": [
-0.33,
0.33,
0.0,
-0.67,
0.67,
-3.0,
0.17,
-0.17,
0.0,
-0.33,
-1.33,
1.67,
-0.33,
-1.33,
1.67
],
"range_semitones": 4.67,
"distinctive_deviation": {
"largest_interval_semitones": -3.0,
"at_note_index": 6,
"is_licensed_leap": false
}
},
"motif_economy": {
"self_similarity_peak": 0.9216,
"self_similarity_baseline": 0.8337,
"self_similarity_lift": 0.0879,
"recurrence_lag_s": 1.718,
"interval_3gram_repetition": 0.5281,
"interval_4gram_repetition": 0.3609
},
"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": 0.488,
"exit_s": 141.479,
"active_fraction": 0.5737,
"segments": [
[
0.488,
5.224
],
[
5.433,
7.5
],
[
8.057,
8.638
],
[
14.164,
21.269
],
[
26.935,
27.539
],
[
27.98,
30.581
],
[
30.743,
35.085
],
[
37.105,
37.965
],
[
39.056,
39.613
],
[
40.751,
41.355
],
[
42.493,
43.166
],
[
44.257,
45.488
],
[
45.929,
46.835
],
[
48.855,
50.364
],
[
52.291,
53.708
],
[
54.938,
55.612
],
[
62.346,
64.064
],
[
66.107,
67.5
],
[
76.069,
83.429
],
[
85.38,
86.355
],
[
90.117,
91.556
],
[
91.742,
97.222
],
[
101.518,
102.098
],
[
102.934,
103.491
],
[
104.025,
111.038
],
[
117.772,
124.343
],
[
129.173,
129.73
],
[
131.564,
133.259
],
[
133.422,
134.165
],
[
134.327,
134.885
],
[
134.978,
136.603
],
[
136.649,
138.159
],
[
138.948,
139.831
],
[
140.783,
141.479
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.488,
"exit_s": 165.814,
"active_fraction": 0.9194,
"segments": [
[
0.488,
47.415
],
[
48.832,
57.26
],
[
57.469,
58.143
],
[
58.329,
61.579
],
[
61.788,
71.1
],
[
71.285,
71.935
],
[
72.144,
75.418
],
[
75.604,
159.753
],
[
159.893,
160.659
],
[
160.845,
161.448
],
[
161.681,
163.167
],
[
163.422,
164.142
],
[
165.164,
165.814
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.488,
"exit_s": 164.676,
"active_fraction": 0.9256,
"segments": [
[
0.488,
47.647
],
[
48.832,
161.472
],
[
161.611,
163.051
],
[
163.422,
164.676
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.488,
"exit_s": 161.959,
"active_fraction": 0.9172,
"segments": [
[
0.488,
47.415
],
[
48.808,
160.659
],
[
160.845,
161.959
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.488,
"exit_s": 163.77,
"active_fraction": 0.9139,
"segments": [
[
0.488,
48.181
],
[
48.808,
159.033
],
[
159.753,
162.307
],
[
163.213,
163.77
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.488,
"exit_s": 164.56,
"active_fraction": 0.918,
"segments": [
[
0.488,
48.623
],
[
48.808,
157.547
],
[
158.314,
159.869
],
[
160.612,
162.284
],
[
163.91,
164.56
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.488,
"exit_s": 162.238,
"active_fraction": 0.9038,
"segments": [
[
0.488,
157.547
],
[
158.36,
159.08
],
[
161.425,
162.238
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.488,
"exit_s": 164.281,
"active_fraction": 0.929,
"segments": [
[
0.488,
162.702
],
[
163.004,
164.281
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.488,
"exit_s": 166.812,
"active_fraction": 0.933,
"segments": [
[
0.488,
47.763
],
[
47.996,
162.981
],
[
163.097,
164.351
],
[
166.255,
166.812
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.6237,
"sub|bass": 0.6198,
"sub|low_mid": 0.6254,
"sub|mid": 0.6277,
"sub|upper_mid": 0.6249,
"sub|presence": 0.6347,
"sub|brilliance": 0.6175,
"sub|air": 0.6149,
"low_bass|bass": 0.9787,
"low_bass|low_mid": 0.9797,
"low_bass|mid": 0.9634,
"low_bass|upper_mid": 0.9557,
"low_bass|presence": 0.9465,
"low_bass|brilliance": 0.9691,
"low_bass|air": 0.9694,
"bass|low_mid": 0.9892,
"bass|mid": 0.9767,
"bass|upper_mid": 0.9697,
"bass|presence": 0.9584,
"bass|brilliance": 0.979,
"bass|air": 0.9812,
"low_mid|mid": 0.9808,
"low_mid|upper_mid": 0.9665,
"low_mid|presence": 0.9629,
"low_mid|brilliance": 0.9769,
"low_mid|air": 0.9775,
"mid|upper_mid": 0.9755,
"mid|presence": 0.977,
"mid|brilliance": 0.9837,
"mid|air": 0.9771,
"upper_mid|presence": 0.982,
"upper_mid|brilliance": 0.9772,
"upper_mid|air": 0.9737,
"presence|brilliance": 0.9728,
"presence|air": 0.966,
"brilliance|air": 0.9921
},
"simultaneity_curve": {
"times_s": [
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0.186,
0.372,
0.557,
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1.115,
1.3,
1.486,
1.672,
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2.043,
2.229,
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3.158,
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3.901,
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3039.7,
2319.6,
2683.8,
2836.3,
2310.1,
2801.7,
3036.2,
3149.1,
2973.6,
3787.5,
2823.7,
2160.5,
2473.3,
2837.0,
3296.1,
3305.9,
2621.4,
3275.6,
3416.3,
2517.0,
2573.6,
2628.2,
2927.8,
2788.8,
3608.9,
2529.7,
2597.3,
2341.0,
2943.9,
2519.5,
2696.0,
3409.6,
3502.1,
2602.4,
3196.9,
2919.0,
3364.4,
3045.6,
3159.9,
2797.3,
2223.2,
3323.1,
3381.1,
3668.6,
2182.8,
2559.5,
3953.5,
2310.2,
2276.3,
2995.1,
2811.3,
3652.3,
2760.7,
3651.1,
2170.1,
2348.9,
2890.1,
2891.2,
3624.8,
2409.9,
3325.8,
2894.5,
2104.8,
2613.8,
2865.4,
3281.7,
3163.6,
2732.3,
2303.6,
2318.7,
2628.9,
3886.5,
3314.3,
3133.5,
2521.5,
3050.2,
2485.8,
2740.9,
3773.7,
2828.8,
3540.2,
3006.3,
3089.0,
3124.4,
2799.2,
3078.1,
3121.9,
3276.5,
2590.2,
2517.6,
2344.4,
2456.2,
2659.3,
3368.9,
3408.6,
2589.4,
3464.2,
2352.0,
2452.9,
2234.1,
2629.2,
2925.7,
3188.2,
3685.8,
2400.9,
2785.0,
2354.5,
3551.6,
2525.8,
2588.2,
3328.2,
3742.5,
2532.7,
2779.3,
3285.8,
2604.7,
2272.2,
2791.5,
2567.0,
2305.1,
3043.7,
3209.5,
2999.7,
2829.4,
2424.7,
2134.5,
1961.1,
2606.9,
3132.8,
3464.0,
3266.4,
2858.5,
2734.6,
2246.2,
2829.6,
2704.9,
2663.8,
2916.0,
3123.7,
3718.3,
2823.0,
3164.4,
2296.0,
2737.4,
2757.4,
2769.0,
2976.6,
2982.5,
3474.4,
2779.3,
2684.7,
2530.8,
2739.5,
2886.7,
3017.8,
2810.7,
3053.8,
3042.0,
2902.4,
3024.9,
2539.1,
2552.7,
2272.0,
3146.2,
3188.6,
3044.4,
3063.3,
3269.5,
3081.7,
2304.3,
2519.9,
2684.8,
2917.9,
3331.2,
3197.3,
3497.6,
2983.4,
2664.3,
2721.2,
2983.2,
3560.5,
2082.4,
2285.6,
1867.8,
2700.8,
2633.2,
3538.5,
4097.4,
3264.6,
2307.2,
2213.4,
3027.6,
2555.4,
3607.2,
2960.0,
4591.9,
2526.2,
2408.8,
2553.9,
2706.4,
2941.6,
3173.1,
4646.9,
2167.3,
4219.0,
3069.2,
2193.6,
2402.8,
3294.8,
4411.5,
2544.6,
4252.5,
3405.4,
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0.0,
0.0,
0.0,
0.0
],
"spectral_rolloff85_hz_mean": 6621.9,
"spectral_flatness_mean": 0.06132,
"signature_colour": "bright"
}
}
}