{
    "version": 1,
    "stt": {
        "model_path": "",
        "model_type": "whisper",
        "device": "cpu",
        "num_threads": 4,
        "sample_rate": 16000,
        "language": "zh",
        "streaming": true,
        "beam_size": 5,
        "temperature": 0.0
    },
    "audio": {
        "input_device": -1,
        "buffer_size_ms": 20,
        "chunk_duration_ms": 3000,
        "padding_ms": 500
    },
    "ui": {
        "theme": "light",
        "font_size": 14,
        "show_waveform": true,
        "show_confidence": true
    },
    "shortcuts": {
        "toggle_recording": "Ctrl+Space"
    }
}