{
  "schema_version": 1,
  "title": "QualityMax Voice Lab: independent Dessa recording analysis",
  "analysis_status": "offline_research_not_an_agent_quality_verdict",
  "sources": {
    "publisher": "https://block.xyz/dessa",
    "analyzed_recording": "https://x.com/Screeendev/status/2113792408076878334",
    "recording_credit": "@blueemi99 (public media metadata)"
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  ],
  "reference_comparison": {
    "status": "exploratory_reference_comparison_no_accuracy_claim",
    "reference_url": "https://block.xyz/dessa",
    "reference_recording": "Talking about the release / AI_release_convo.wav",
    "audio_sha256": "fa377b56b71591ba7797727ea2d678eed7b2738b57c36bd04e36f64d93c510fb",
    "publisher_track_sha256": [
      "f9873d40bcfa69c130344b43789464fd9dcafbafe626ba5cda4d50e74d4927c0",
      "2c79784c1f23edbba90a62b5a61d431eb0290d239b3786b7acf70a4a2d736d77"
    ],
    "offset_seconds": 0.55475,
    "alignment_windows": [
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        "end": 40,
        "offset_seconds": 0.55475,
        "correlation": 0.9064
      },
      {
        "start": 60,
        "end": 100,
        "offset_seconds": 0.55475,
        "correlation": 0.8969
      },
      {
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        "end": 160,
        "offset_seconds": 0.55475,
        "correlation": 0.9434
      }
    ],
    "cluster_mapping": {
      "speaker_1": "publisher_1",
      "speaker_2": "publisher_2"
    },
    "frame_seconds": 0.02,
    "reference_gate_dbfs": -40,
    "exclusive_reference_seconds": 89.28,
    "agree_seconds": 85.98,
    "disagree_seconds": 3.3,
    "unknown_seconds": 0.96,
    "missed_speech_seconds": 0.16,
    "overlap_reference_seconds": 3.22,
    "exclusive_track_agreement_percent": 96.3,
    "limitations": [
      "Reference activity uses a fixed -40 dBFS RMS gate on publisher-isolated tracks, not hand-labeled speech.",
      "All exclusive active reference frames are scored, including turn boundaries, unknown assignments and missed speech.",
      "Overlap and reference-silent frames are excluded from agreement. False speech on silent frames is not scored.",
      "Best permutation maps anonymous voice clusters to publisher track numbers; this does not identify speakers.",
      "A single published demo does not establish general diarization accuracy, overlap handling, or production quality."
    ]
  },
  "limitations": [
    "Speaker identity and window boundaries need human verification.",
    "Recording gain, compression and different phonemes can change RMS independently of agent behavior.",
    "The 3 dB threshold is a demo requirement, not a claimed industry standard.",
    "RMS measures signal level, not perceived loudness. Mixed audio cannot establish speaker-specific latency or barge-in.",
    "No live agent, tool call, ElevenLabs transcription or independent semantic judge was run.",
    "Two voices are assumed for this clip; the model did not discover the number of speakers.",
    "Anonymous voice clusters do not establish a person's identity or whether a voice is human or AI.",
    "Turn boundaries are approximate: 1.5-second embedding windows sampled every 250 ms, with VAD boundary padding.",
    "Simultaneous speakers are not separated. Rapid turns and overlap can be assigned incorrectly or left unknown.",
    "Cosine margin is an uncalibrated similarity difference, not a probability or accuracy score.",
    "Captions come from X. Speaker labels are projected onto existing cues, not word-aligned by this model.",
    "Speaker-labeled text does not prove that a cough, laugh, or other non-speech action occurred."
  ],
  "publication_scope": "Original AAC audio from the linked X recording, with derived measurements. No full transcript is redistributed with this site."
}
