music/exemplars/formula_cards/UNMATCHED__129_Contest__Results_Announcement.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__129_Contest__Results_Announcement",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Diamond & Pokémon Pearl_ Super M\\129 Contest_ Results Announcement.m4a",
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"bytes": 1276666,
"source_format": "mov,mp4,m4a,3gp,3g2,mj2",
"source_codec": "aac",
"source_sample_rate_hz": 44100,
"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": "2026-08-07T03:01:20+00:00",
"format_induced_limit": "lossy source (aac); high-band timbre figures carry codec artefacts and the card declares it",
"control": {
"controls_passed": 24,
"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."
},
"card": {
"duration_and_structure": {
"total_length_s": 20.813,
"section_boundaries_s": [
0.0,
2.113,
12.353,
18.367,
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],
"section_count": 4,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.9542,
"is_repeat": true
},
{
"section": 2,
"most_like_section": 1,
"similarity": 0.9911,
"is_repeat": true
},
{
"section": 3,
"most_like_section": 2,
"similarity": 0.8875,
"is_repeat": false
}
],
"novelty_peak_strength": [
1.0,
0.9911,
0.7844
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 69.84,
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20.06,
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215.33,
215.33,
215.33,
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136.0,
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69.84,
69.84,
69.84,
69.84,
69.84,
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136.0,
136.0
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{
"position_s": 0.0,
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"shape": "ramp"
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{
"position_s": 18.9,
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"shape": "step"
}
],
"dispersion_bpm": 32.91,
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},
"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": 143.55,
"tempo_iqr_bpm": 7.56,
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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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}
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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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{
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{
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{
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"lanes": 9
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],
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"seconds": 1.763,
"threshold": "40 dB below the track's own p95 RMS",
"note": "Section 11.2 treats rest as a FIRST-CLASS parameter, not an absence."
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"tuttis": 4
}
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}
],
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"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."
},
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"head_rms_trend": 0.7234,
"baked_fade_out": true,
"baked_fade_in": true
},
"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": {
"spectral_centroid_hz_mean": 2310.6,
"spectral_centroid_curve_hz": [
0.0,
1638.7,
2069.6,
2050.6,
2396.2,
2582.9,
2549.5,
2811.9,
3565.5,
1941.7,
1962.7,
1807.3,
2633.1,
2991.1,
2074.4,
2685.3,
2227.0,
2185.9,
2042.9,
3089.7,
1916.9,
2644.1,
2703.5,
3663.0,
2299.1,
1529.5,
2056.4,
845.7,
492.1
],
"spectral_rolloff85_hz_mean": 5310.6,
"spectral_flatness_mean": 0.02624,
"signature_colour": "warm"
}
}
}