{
  "tts": {
    "piper_voice_ar": "ar_JO-kareem-medium",
    "piper_voice_en": "en_US-lessac-medium",
    "piper_sample_rate": 22050,
    "builtin_speaker_id": 0,
    "target_sample_rate": 16000,
    "piper_timeout_sec": 120,
    "en_backend": "edge_tts",
    "ar_backend": "edge_tts",
    "edge_voice_ar": "ar-AE-HamdanNeural",
    "edge_voice_en": "en-US-GuyNeural"
  },
  "stt": {
    "wake_model": "tiny",
    "command_model": "small",
    "wake_words_en": [
      "marcus",
      "marcos",
      "markus"
    ],
    "wake_words_ar": [
      "ماركوس",
      "مارکوس",
      "ماركس"
    ],
    "language": null,
    "command_timeout_sec": 10,
    "silence_threshold": 500,
    "silence_duration_sec": 1.5,
    "max_record_sec": 15
  },
  "mic": {
    "source_index": "3",
    "format": "s16le",
    "rate": 16000,
    "channels": 1
  },
  "speaker": {
    "dds_interface": "eth0",
    "volume": 100,
    "app_name": "marcus"
  },
  "audio": {
    "data_dir": "Data/Voice/Recordings",
    "log_file": "logs/voice.log"
  },
  "messages": {
    "wake_heard": "Listening...",
    "no_speech": "I didn't catch that. Say my name again.",
    "error_tts": "Speech synthesis failed",
    "error_mic": "Microphone error",
    "ready": "Voice system ready"
  }
}