music/exemplars/formula_cards/UNMATCHED__Portal2-16-Hard_Sunshine.json
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"position_s": 108.2,
"duration_s": 2.44,
"delta_bpm": 22.71,
"shape": "step"
},
{
"position_s": 111.48,
"duration_s": 2.69,
"delta_bpm": -10.33,
"shape": "step"
},
{
"position_s": 115.26,
"duration_s": 2.09,
"delta_bpm": 7.32,
"shape": "step"
},
{
"position_s": 118.89,
"duration_s": 2.51,
"delta_bpm": -6.63,
"shape": "step"
},
{
"position_s": 125.57,
"duration_s": 3.55,
"delta_bpm": 7.21,
"shape": "step"
},
{
"position_s": 137.83,
"duration_s": 2.93,
"delta_bpm": -6.66,
"shape": "step"
},
{
"position_s": 142.29,
"duration_s": 4.83,
"delta_bpm": 31.48,
"shape": "step"
},
{
"position_s": 151.72,
"duration_s": 4.2,
"delta_bpm": 8.48,
"shape": "step"
},
{
"position_s": 156.36,
"duration_s": 5.25,
"delta_bpm": -38.27,
"shape": "step"
},
{
"position_s": 161.82,
"duration_s": 6.01,
"delta_bpm": 113.27,
"shape": "step"
}
],
"dispersion_bpm": 41.5,
"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": 6.15,
"tempo_stability": 0.8,
"beat_interval_cv": 0.0535
},
"dominant_onset_period_s": 0.1393,
"dominant_onset_period_bpm": 430.66,
"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": 10.768
}
},
"tonality": {
"key": "D#",
"mode": "major",
"windowed_key_agreement": 0.0,
"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": 0.673,
"onset_bars": 0.38,
"pitch_contour": "UUDDDUDUUUDD--U",
"interval_vocabulary_semitones": [
0,
2,
5,
7,
8,
10,
16
],
"intervals": [
2.0,
2.0,
-2.0,
-2.0,
-10.0,
8.0,
-5.0,
7.0,
2.0,
2.0,
-2.0,
-2.0,
0.0,
0.0,
16.0
],
"range_semitones": 26.0,
"distinctive_deviation": {
"largest_interval_semitones": 16.0,
"at_note_index": 15,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.9818,
"self_similarity_baseline": 0.5797,
"self_similarity_lift": 0.4021,
"recurrence_lag_s": 52.384,
"interval_3gram_repetition": 0.225,
"interval_4gram_repetition": 0.1538
},
"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": 0.882,
"exit_s": 158.314,
"active_fraction": 0.782,
"segments": [
[
0.882,
43.677
],
[
52.361,
96.038
],
[
104.722,
148.399
],
[
157.106,
158.314
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.557,
"exit_s": 160.914,
"active_fraction": 0.9541,
"segments": [
[
0.557,
160.914
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.65,
"exit_s": 161.355,
"active_fraction": 0.9562,
"segments": [
[
0.65,
161.355
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.65,
"exit_s": 159.66,
"active_fraction": 0.9461,
"segments": [
[
0.65,
159.66
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 1.068,
"exit_s": 157.106,
"active_fraction": 0.9284,
"segments": [
[
1.068,
157.106
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.743,
"exit_s": 158.848,
"active_fraction": 0.9407,
"segments": [
[
0.743,
158.848
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.58,
"exit_s": 160.705,
"active_fraction": 0.9528,
"segments": [
[
0.58,
160.705
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.557,
"exit_s": 160.45,
"active_fraction": 0.9514,
"segments": [
[
0.557,
160.45
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.673,
"exit_s": 159.753,
"active_fraction": 0.9465,
"segments": [
[
0.673,
159.753
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.8196,
"sub|bass": 0.8178,
"sub|low_mid": 0.8265,
"sub|mid": 0.826,
"sub|upper_mid": 0.8313,
"sub|presence": 0.8208,
"sub|brilliance": 0.822,
"sub|air": 0.8262,
"low_bass|bass": 0.9967,
"low_bass|low_mid": 0.9916,
"low_bass|mid": 0.9731,
"low_bass|upper_mid": 0.986,
"low_bass|presence": 0.9986,
"low_bass|brilliance": 0.9971,
"low_bass|air": 0.992,
"bass|low_mid": 0.9895,
"bass|mid": 0.971,
"bass|upper_mid": 0.9838,
"bass|presence": 0.9955,
"bass|brilliance": 0.9938,
"bass|air": 0.9899,
"low_mid|mid": 0.9813,
"low_mid|upper_mid": 0.9943,
"low_mid|presence": 0.993,
"low_mid|brilliance": 0.9945,
"low_mid|air": 0.9993,
"mid|upper_mid": 0.9869,
"mid|presence": 0.9745,
"mid|brilliance": 0.9759,
"mid|air": 0.9809,
"upper_mid|presence": 0.9874,
"upper_mid|brilliance": 0.9888,
"upper_mid|air": 0.9939,
"presence|brilliance": 0.9983,
"presence|air": 0.9935,
"brilliance|air": 0.9949
},
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