{
  "created": "2026-10-04",
  "scriptAuthor": "Hearably",
  "syntheticSpeech": true,
  "engine": "piper-tts 1.8.0",
  "engineUrl": "https://github.com/OHF-Voice/piper1-gpl",
  "engineLicense": "GPL-3.0; engine and model binaries are not distributed in this example",
  "parameters": {
    "noiseScale": 0,
    "noiseWScale": 0,
    "lengthScale": 1,
    "sentenceSilence": 0.2
  },
  "note": "Original Hearably text, synthesized locally using the listed public models. These are generated voices, not a new recording by the dataset speakers or an endorsement. Dataset licenses are reported from the model cards; the supplied fixed WAV inputs make DSP reproduction independent of a new synthesis run.",
  "voices": {
    "en": {
      "transcript": "This is the quiet sentence. A louder chime comes next.",
      "model": "en_US-ljspeech-medium",
      "modelUrl": "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/ljspeech/medium/en_US-ljspeech-medium.onnx",
      "configUrl": "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/ljspeech/medium/en_US-ljspeech-medium.onnx.json",
      "modelCardUrl": "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/ljspeech/medium/MODEL_CARD",
      "datasetUrl": "https://keithito.com/LJ-Speech-Dataset/",
      "datasetLicense": "public domain",
      "sourceFile": "voice-en.wav",
      "sourceSha256": "36bfa9a34305d8dca15395daed770f860aa4595763a7a0cfdbcac6165cd74e60",
      "modelSha256": "6f52a751e2349abe7a76735eb09dc1875298c77ea2342ffd2fef79ff81b87f22",
      "configSha256": "141d612cc0a95ed7efc1ca936b845c2364967f2e9217c5dbfcf69fc4d6c65860"
    },
    "de": {
      "transcript": "Dies ist der leise Satz. Danach folgt ein lauterer Ton.",
      "model": "de_DE-thorsten-medium",
      "modelUrl": "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/de/de_DE/thorsten/medium/de_DE-thorsten-medium.onnx",
      "configUrl": "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/de/de_DE/thorsten/medium/de_DE-thorsten-medium.onnx.json",
      "modelCardUrl": "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/de/de_DE/thorsten/medium/MODEL_CARD",
      "datasetUrl": "https://github.com/thorstenMueller/Thorsten-Voice",
      "datasetLicense": "CC0",
      "sourceFile": "voice-de.wav",
      "sourceSha256": "95b4d0d939e6faa31ad47dbae4e06f0c16202c937cdaf37089a9bd10dba19c1e",
      "modelSha256": "7e64762d8e5118bb578f2eea6207e1a35a8e0c30595010b666f983fc87bb7819",
      "configSha256": "974adee790533adb273a1ac88f49027d2a1b8f0f2cf4905954a4791e79264e85"
    }
  }
}