NOCORPUS__MPX_TITLE_MAIN_r1.json

music/proof/cards/formula_cards/NOCORPUS__MPX_TITLE_MAIN_r1.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": "NOCORPUS__MPX_TITLE_MAIN_r1",
 "title": null,
 "game": null,
 "composer": null,
 "purpose_class": null,
 "source_path": "C:\\dev\\humanity-forgotten\\build\\audio\\proof\\audio\\MPX_TITLE_MAIN_r1.wav",
 "sha256": "27d3a644493b07aa848e66ed83356ef8de4904d17575498594c5c8b3e65c2069",
 "bytes": 54528088,
 "source_format": "wav",
 "source_codec": "pcm_f32le",
 "source_sample_rate_hz": 48000,
 "source_channels": 2,
 "lossless_source": true,
 "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": "2026-08-06T13:11:52+00:00",
 "format_induced_limit": null,
 "control": {
  "controls_passed": 24,
  "controls_total": 24,
  "ran_at": "2026-08-06T13:11:52+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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      "position_s": 21.34,
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      "shape": "step"
     },
     {
      "position_s": 39.52,
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     {
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     {
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     {
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     {
      "position_s": 118.26,
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      "shape": "ramp"
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    ],
    "dispersion_bpm": 44.604,
    "rubato_depth_bpm": 134.168
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   "global_bpm": 99.38,
   "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": 99.38,
    "tempo_bpm_median_local": 99.38,
    "tempo_iqr_bpm": 0.0,
    "tempo_stability": 1.0,
    "beat_interval_cv": 0.0274
   },
   "dominant_onset_period_s": 2.4381,
   "dominant_onset_period_bpm": 24.61,
   "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": 0.533,
    "onset_rate_per_s": 10.767
   }
  },
  "tonality": {
   "key": "A",
   "mode": "major",
   "windowed_key_agreement": 0.5556,
   "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": 0.07,
   "onset_bars": 0.03,
   "pitch_contour": "UUDD-U-UDUDUD-U",
   "interval_vocabulary_semitones": [
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    2,
    3,
    9,
    12,
    14,
    19,
    21
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   "intervals": [
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    0.0,
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   "range_semitones": 23.0,
   "distinctive_deviation": {
    "largest_interval_semitones": -21.0,
    "at_note_index": 13,
    "is_licensed_leap": true
   }
  },
  "motif_economy": {
   "self_similarity_peak": 0.881,
   "self_similarity_baseline": 0.8163,
   "self_similarity_lift": 0.0647,
   "recurrence_lag_s": 0.464,
   "interval_3gram_repetition": 0.3434,
   "interval_4gram_repetition": 0.1813
  },
  "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": [
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     "lane": "sub",
     "band_hz": [
      20,
      45
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     "entry_s": 27.191,
     "exit_s": 130.101,
     "active_fraction": 0.3684,
     "segments": [
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  },
  "complexity_law": {
   "available": true,
   "bar_length_s": 2.415,
   "bars": 58,
   "index_per_bar": [
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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": [
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     "bar": 1,
     "at_s": 2.41,
     "delta": -0.202,
     "at_section_boundary": true
    },
    {
     "bar": 3,
     "at_s": 7.24,
     "delta": -0.236,
     "at_section_boundary": false
    },
    {
     "bar": 6,
     "at_s": 14.49,
     "delta": 0.161,
     "at_section_boundary": false
    },
    {
     "bar": 7,
     "at_s": 16.9,
     "delta": -0.256,
     "at_section_boundary": false
    },
    {
     "bar": 8,
     "at_s": 19.32,
     "delta": 0.547,
     "at_section_boundary": false
    },
    {
     "bar": 15,
     "at_s": 36.22,
     "delta": -0.603,
     "at_section_boundary": true
    },
    {
     "bar": 16,
     "at_s": 38.64,
     "delta": -0.287,
     "at_section_boundary": true
    },
    {
     "bar": 17,
     "at_s": 41.05,
     "delta": 0.452,
     "at_section_boundary": false
    },
    {
     "bar": 18,
     "at_s": 43.47,
     "delta": 0.204,
     "at_section_boundary": false
    },
    {
     "bar": 22,
     "at_s": 53.13,
     "delta": 0.193,
     "at_section_boundary": false
    },
    {
     "bar": 36,
     "at_s": 86.94,
     "delta": -0.184,
     "at_section_boundary": false
    },
    {
     "bar": 43,
     "at_s": 103.84,
     "delta": 0.178,
     "at_section_boundary": false
    },
    {
     "bar": 55,
     "at_s": 132.82,
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     "at_section_boundary": true
    },
    {
     "bar": 56,
     "at_s": 135.24,
     "delta": -0.533,
     "at_section_boundary": true
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   ],
   "steps_at_section_boundaries": 5,
   "steps_total": 14,
   "boundary_step_share": 0.357,
   "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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  "register": {
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   "melody_tessitura_midi": 45.0,
   "bass_floor_band": {
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    "low_bass": 0.39379,
    "bass": 0.27985,
    "low_mid": 0.11141,
    "mid": 0.09524,
    "upper_mid": 0.02263,
    "presence": 0.0072,
    "brilliance": 0.00512,
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    "ultra": 0.0
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   "octave_band_profile": {
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  },
  "cadence_and_ending": {
   "loop_seam": {
    "measurable": true,
    "seam_distance": 0.71442,
    "interior_distance_median": 0.03407,
    "seam_ratio": 20.967,
    "seam_clean": false,
    "tail_rms_over_mid": 0.0065,
    "head_rms_over_mid": 0.9371,
    "tail_rms_trend": 0.4936,
    "head_rms_trend": 0.0275,
    "baked_fade_out": false,
    "baked_fade_in": false
   },
   "ending": "through_or_loop",
   "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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   "spectral_flatness_mean": 0.00808,
   "signature_colour": "warm"
  }
 }
}

Generated by harness/site/structure_site.py — the URL path is the repo path. review root