music/exemplars/formula_cards/UNMATCHED__54_Trainers_Eyes_Meet_Backpacker_.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__54_Trainers_Eyes_Meet_Backpacker_",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Black & Pokémon White_ Super Mus\\54 Trainers' Eyes Meet (Backpacker).m4a",
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"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": "2026-08-07T02:22:47+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": {
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],
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129.2,
129.2,
129.2,
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129.2,
129.2,
129.2,
129.2,
129.2,
129.2,
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129.2,
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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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"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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"arc_times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94,
6.69,
7.43,
8.17,
8.92,
9.66,
10.4,
11.15,
11.89,
12.63,
13.37,
14.12,
14.86,
15.6,
16.35,
17.09,
17.83,
18.58,
19.32,
20.06,
20.81
]
},
"register": {
"melody_span_semitones": null,
"melody_tessitura_midi": null,
"bass_floor_band": {
"sub": 0.00074,
"low_bass": 0.06438,
"bass": 0.06487,
"low_mid": 0.11895,
"mid": 0.29461,
"upper_mid": 0.20744,
"presence": 0.19716,
"brilliance": 0.04477,
"air": 0.00655,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00074,
"low_bass": 0.06438,
"bass": 0.06487,
"low_mid": 0.11895,
"mid": 0.29461,
"upper_mid": 0.20744,
"presence": 0.19716,
"brilliance": 0.04477,
"air": 0.00655,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.08624,
"seam_ratio": 11.595,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8511,
"head_rms_trend": 0.681,
"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": 2080.7,
"spectral_centroid_curve_hz": [
0.0,
3198.8,
2191.5,
2466.9,
1955.8,
1732.0,
2914.0,
2098.4,
2259.8,
3152.8,
1615.6,
3001.1,
2548.5,
2093.2,
2224.5,
1749.5,
2481.6,
2668.4,
1808.5,
2886.2,
1182.1,
1893.2,
2547.4,
2296.2,
2118.8,
1710.0,
2028.7,
2034.5,
0.0
],
"spectral_rolloff85_hz_mean": 4053.6,
"spectral_flatness_mean": 0.06161,
"signature_colour": "warm"
}
}
}