music/exemplars/formula_cards/UNMATCHED__10_-_Desolation_Hong_Kong_canal_.json
{
"schema": "formula-card/v1",
"consumer": "docs/proposals/music/MASTERPIECE_PROGRAM.md rung 2 (the archetype synthesis -> MASTERPIECE_STANDARD.md)",
"tier": "RUNG-1 MEASURED",
"legal_posture": "ANALYSIS FOR UNDERSTANDING ONLY. Audio lawfully obtained by Josh, read from disk, measured, and never copied, redistributed, or used as model input of any kind.",
"track_id": "UNMATCHED__10_-_Desolation_Hong_Kong_canal_",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\DeusEx_OST\\deus_ex_soundtrack\\10 - Desolation (Hong Kong canal).mp3",
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"source_channels": 2,
"lossless_source": false,
"analysis_sample_rate_hz": 22050,
"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-06T21:01:06+00:00",
"format_induced_limit": "lossy source (mp3); high-band timbre figures carry codec artefacts and the card declares it",
"control": {
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"controls_total": 24,
"ran_at": "2026-08-06T20:41:42+00:00",
"ffmpeg_version": "ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"note": "This measurement is admissible only because the positive control recovered its planted answers in the same process, immediately before it."
},
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"shape": "step"
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{
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{
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"shape": "step"
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{
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"shape": "step"
}
],
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"rubato_depth_bpm": 167.48
},
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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.",
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"tempo_bpm_median_local": 143.55,
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"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."
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"modulation_note": "Windowed key agreement below ~0.7 is the modulation signal at rung 1; a pivot-chord map needs symbolic transcription (rung 2)."
},
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"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.",
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},
{
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},
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{
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"segments": [
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},
{
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5600
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"entry_s": 20.434,
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"segments": [
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27.934,
29.234
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[
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[
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},
{
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"end_s": 28.026,
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"slope_db_per_s": -33.25
},
{
"position": 0.3433,
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"end_s": 30.65,
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"lanes_added": 2.15,
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},
{
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"end_s": 34.458,
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{
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{
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"end_s": 52.733,
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},
{
"position": 0.5567,
"start_s": 49.18,
"end_s": 50.596,
"db_delta": 4.74,
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"slope_db_per_s": 3.347
},
{
"position": 0.6053,
"start_s": 53.476,
"end_s": 69.103,
"db_delta": 6.7,
"lanes_added": 1.21,
"slope_db_per_s": 0.429
},
{
"position": 0.6253,
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"end_s": 59.048,
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"lanes_added": 1.52,
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{
"position": 0.681,
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"end_s": 65.086,
"db_delta": -0.6,
"lanes_added": 1.56,
"slope_db_per_s": -0.122
},
{
"position": 0.7541,
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"end_s": 67.988,
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"slope_db_per_s": 11.47
},
{
"position": 0.7985,
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"end_s": 70.728,
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},
{
"position": 0.8269,
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"end_s": 75.535,
"db_delta": 5.28,
"lanes_added": 1.51,
"slope_db_per_s": 2.127
},
{
"position": 0.9107,
"start_s": 80.457,
"end_s": 83.499,
"db_delta": 16.46,
"lanes_added": 0.0,
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},
{
"position": 0.9822,
"start_s": 86.773,
"end_s": 86.889,
"db_delta": 14.99,
"lanes_added": 0.0,
"slope_db_per_s": 129.12
}
],
"breaks": [
{
"position": 0.9023,
"at_s": 79.714,
"duration_s": 0.65
},
{
"position": 0.9543,
"at_s": 84.312,
"duration_s": 4.017
}
],
"tuttis": [
{
"position": 0.2502,
"at_s": 22.105,
"duration_s": 2.577,
"lanes": 9
},
{
"position": 0.6983,
"at_s": 61.695,
"duration_s": 3.785,
"lanes": 9
}
],
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"fraction": 0.0618,
"seconds": 5.456,
"threshold": "40 dB below the track's own p95 RMS",
"note": "Section 11.2 treats rest as a FIRST-CLASS parameter, not an absence."
},
"counts": {
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"raises": 22,
"breaks": 2,
"tuttis": 2
}
},
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"time_to_hook_bars": 0.08,
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"time_to_full_texture_bars": 13.22,
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13.37,
14.12,
14.86,
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17.09,
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25.26,
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26.75,
27.49,
28.24,
28.98,
29.72,
30.46,
31.21,
31.95,
32.69,
33.44,
34.18,
34.92,
35.67,
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37.15,
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38.64,
39.38,
40.12,
40.87,
41.61,
42.35,
43.1,
43.84,
44.58,
45.33,
46.07,
46.81,
47.55,
48.3,
49.04,
49.78,
50.53,
51.27,
52.01,
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54.24,
54.98,
55.73,
56.47,
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57.96,
58.7,
59.44,
60.19,
60.93,
61.67,
62.42,
63.16,
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64.64,
65.39,
66.13,
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68.36,
69.1,
69.85,
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71.33,
72.07,
72.82,
73.56,
74.3,
75.05,
75.79,
76.53,
77.28,
78.02,
78.76,
79.51,
80.25,
80.99,
81.73,
82.48,
83.22,
83.96,
84.71,
85.45,
86.19,
86.94,
87.68
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],
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}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.6719,
"bars": 52,
"index_per_bar": [
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0.0366,
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],
"definition": "lane count + 4*harmonic change rate + 0.6*onset strength + 0.4*register span, per bar, normalised to the track's own maximum (section 11.6)",
"step_map": [
{
"bar": 1,
"at_s": 1.67,
"delta": -0.246,
"at_section_boundary": true
},
{
"bar": 2,
"at_s": 3.34,
"delta": 0.253,
"at_section_boundary": false
},
{
"bar": 3,
"at_s": 5.02,
"delta": -0.252,
"at_section_boundary": false
},
{
"bar": 4,
"at_s": 6.69,
"delta": 0.251,
"at_section_boundary": false
},
{
"bar": 5,
"at_s": 8.36,
"delta": -0.249,
"at_section_boundary": false
},
{
"bar": 6,
"at_s": 10.03,
"delta": 0.25,
"at_section_boundary": false
},
{
"bar": 7,
"at_s": 11.7,
"delta": -0.262,
"at_section_boundary": false
},
{
"bar": 11,
"at_s": 18.39,
"delta": -0.176,
"at_section_boundary": true
},
{
"bar": 12,
"at_s": 20.06,
"delta": 0.484,
"at_section_boundary": true
},
{
"bar": 13,
"at_s": 21.73,
"delta": 0.178,
"at_section_boundary": false
},
{
"bar": 15,
"at_s": 25.08,
"delta": -0.161,
"at_section_boundary": false
},
{
"bar": 17,
"at_s": 28.42,
"delta": -0.294,
"at_section_boundary": true
},
{
"bar": 20,
"at_s": 33.44,
"delta": 0.214,
"at_section_boundary": false
},
{
"bar": 21,
"at_s": 35.11,
"delta": -0.247,
"at_section_boundary": false
},
{
"bar": 23,
"at_s": 38.45,
"delta": -0.26,
"at_section_boundary": true
},
{
"bar": 27,
"at_s": 45.14,
"delta": -0.164,
"at_section_boundary": false
},
{
"bar": 31,
"at_s": 51.83,
"delta": -0.168,
"at_section_boundary": false
},
{
"bar": 33,
"at_s": 55.17,
"delta": 0.335,
"at_section_boundary": true
},
{
"bar": 36,
"at_s": 60.19,
"delta": 0.184,
"at_section_boundary": false
},
{
"bar": 39,
"at_s": 65.2,
"delta": -0.275,
"at_section_boundary": true
},
{
"bar": 40,
"at_s": 66.88,
"delta": -0.237,
"at_section_boundary": true
},
{
"bar": 41,
"at_s": 68.55,
"delta": -0.216,
"at_section_boundary": false
},
{
"bar": 42,
"at_s": 70.22,
"delta": 0.217,
"at_section_boundary": false
},
{
"bar": 43,
"at_s": 71.89,
"delta": -0.221,
"at_section_boundary": false
},
{
"bar": 44,
"at_s": 73.56,
"delta": 0.219,
"at_section_boundary": false
},
{
"bar": 45,
"at_s": 75.24,
"delta": -0.22,
"at_section_boundary": false
},
{
"bar": 46,
"at_s": 76.91,
"delta": 0.211,
"at_section_boundary": false
},
{
"bar": 47,
"at_s": 78.58,
"delta": -0.328,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 9,
"steps_total": 28,
"boundary_step_share": 0.321,
"hypothesis_note": "Section 11.6 expects masterpieces to step complexity AT structural boundaries and hold it flat inside sections. This share is the measurement of that claim on this track; the corpus decides, not us."
},
"texture_and_density": {
"note_rate_per_s": 0.894,
"melodic_salience": 0.8825,
"voiced_fraction": 0.4867,
"note_count": 79,
"mean_lanes": 3.686,
"max_lanes": 9
},
"dynamics": {
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"peak_at_s": 0.0,
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35.67,
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37.89,
38.64,
39.38,
40.12,
40.87,
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42.35,
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44.58,
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49.04,
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51.27,
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52.76,
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54.24,
54.98,
55.73,
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80.25,
80.99,
81.73,
82.48,
83.22,
83.96,
84.71,
85.45,
86.19,
86.94,
87.68
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},
"register": {
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"melody_tessitura_midi": 44.67,
"bass_floor_band": {
"sub": 0.02196,
"low_bass": 0.31828,
"bass": 0.37469,
"low_mid": 0.12346,
"mid": 0.09382,
"upper_mid": 0.03926,
"presence": 0.00704,
"brilliance": 0.0025,
"air": 0.00184,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.02196,
"low_bass": 0.31828,
"bass": 0.37469,
"low_mid": 0.12346,
"mid": 0.09382,
"upper_mid": 0.03926,
"presence": 0.00704,
"brilliance": 0.0025,
"air": 0.00184,
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},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.1431,
"interior_distance_median": 0.01777,
"seam_ratio": 8.054,
"seam_clean": false,
"tail_rms_over_mid": 0.0004,
"head_rms_over_mid": 2.3426,
"tail_rms_trend": -0.9562,
"head_rms_trend": -0.3128,
"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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128.6,
139.5,
158.4,
278.5,
156.9,
127.0,
150.7,
174.1,
319.8,
129.5,
137.8,
183.0,
313.8,
154.9,
132.6,
143.6,
192.6,
1168.3,
294.5,
317.8,
388.4,
329.4,
326.7,
390.6,
348.2,
316.3,
264.8,
492.8,
735.1,
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1413.1,
1322.4,
1625.8,
2100.4,
2232.0,
654.3,
188.7,
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1679.0,
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238.7,
129.6,
2791.8,
2741.9,
193.0,
139.2,
1726.9,
1772.4,
1590.2,
172.3,
127.4,
178.1,
208.3,
652.7,
335.3,
365.2,
368.5,
312.6,
344.4,
391.9,
346.7,
339.3,
419.5,
330.8,
326.7,
390.8,
346.1,
392.8,
391.1,
312.7,
328.0,
558.1,
614.1,
575.7,
613.5,
619.6,
613.0,
642.7,
699.3,
547.1,
468.0,
646.5,
779.1,
2184.9,
1843.4,
1944.7,
1921.1,
1810.0,
1915.0,
149.3,
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147.4,
201.6,
362.3,
130.6,
143.4,
152.6,
232.6,
151.1,
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145.7,
180.9,
441.0,
132.1,
142.7,
159.5,
234.7,
628.4,
327.0,
354.1,
385.0,
344.7,
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439.5,
462.6,
1243.7,
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1282.4
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"spectral_rolloff85_hz_mean": 1144.8,
"spectral_flatness_mean": 0.00157,
"signature_colour": "dark"
}
}
}