{
  "timestamp_utc": "2026-10-08T20:43:53.566883+00:00",
  "dataset_version": "synthetic-regression-v3-english",
  "metric_definition": "PCM format, sample rate, duration, nonzero signal; no perceptual quality score",
  "real_inference": true,
  "fictional_data_only": true,
  "case_count": 8,
  "completed": 8,
  "elapsed_seconds": 10.33,
  "environment": {
    "gpu": "NVIDIA GeForce RTX 5060 Ti, 595.84, 16311 MiB",
    "python": "3.12.3",
    "model_runtime": "Existing Qwen 3.5 9B GGUF / MiniLM L12-H384 / Whisper small.en / Kokoro af_heart; only applicable capabilities used",
    "providers_enabled": {
      "llm": false,
      "embedding": false,
      "rerank": false,
      "asr": false,
      "tts": true,
      "ocr": false
    }
  },
  "metrics": {
    "pcm_format_valid": {
      "passed": 8,
      "total": 8
    },
    "sample_rate_24000": {
      "passed": 8,
      "total": 8
    },
    "duration_positive": {
      "passed": 8,
      "total": 8
    },
    "nonzero_signal": {
      "passed": 8,
      "total": 8
    }
  },
  "cases": [
    {
      "id": "speech-01",
      "measurements": {
        "pcm_format_valid": true,
        "sample_rate_24000": true,
        "duration_positive": true,
        "nonzero_signal": true
      },
      "duration_seconds": 11.05,
      "completed": true,
      "elapsed_seconds": 8.76
    },
    {
      "id": "speech-02",
      "measurements": {
        "pcm_format_valid": true,
        "sample_rate_24000": true,
        "duration_positive": true,
        "nonzero_signal": true
      },
      "duration_seconds": 9.75,
      "completed": true,
      "elapsed_seconds": 0.231
    },
    {
      "id": "speech-03",
      "measurements": {
        "pcm_format_valid": true,
        "sample_rate_24000": true,
        "duration_positive": true,
        "nonzero_signal": true
      },
      "duration_seconds": 7.3,
      "completed": true,
      "elapsed_seconds": 0.232
    },
    {
      "id": "speech-04",
      "measurements": {
        "pcm_format_valid": true,
        "sample_rate_24000": true,
        "duration_positive": true,
        "nonzero_signal": true
      },
      "duration_seconds": 10.78,
      "completed": true,
      "elapsed_seconds": 0.2
    },
    {
      "id": "speech-05",
      "measurements": {
        "pcm_format_valid": true,
        "sample_rate_24000": true,
        "duration_positive": true,
        "nonzero_signal": true
      },
      "duration_seconds": 9.35,
      "completed": true,
      "elapsed_seconds": 0.198
    },
    {
      "id": "speech-06",
      "measurements": {
        "pcm_format_valid": true,
        "sample_rate_24000": true,
        "duration_positive": true,
        "nonzero_signal": true
      },
      "duration_seconds": 6.83,
      "completed": true,
      "elapsed_seconds": 0.181
    },
    {
      "id": "speech-07",
      "measurements": {
        "pcm_format_valid": true,
        "sample_rate_24000": true,
        "duration_positive": true,
        "nonzero_signal": true
      },
      "duration_seconds": 10.28,
      "completed": true,
      "elapsed_seconds": 0.187
    },
    {
      "id": "speech-08",
      "measurements": {
        "pcm_format_valid": true,
        "sample_rate_24000": true,
        "duration_positive": true,
        "nonzero_signal": true
      },
      "duration_seconds": 9.72,
      "completed": true,
      "elapsed_seconds": 0.211
    }
  ],
  "limits": "Small authored synthetic regression set. Literal comparisons are proxies, not semantic entailment. Synthetic speech is not representative of real-call noise, accents or diarization.",
  "latency": {
    "median_case_seconds": 0.206,
    "p95_case_seconds": 8.76,
    "includes": "Full HTTP case, including upload/ASR/OCR where applicable; first requests may include lazy loading."
  }
}