| # LiveTrans Configuration | |
| audio: | |
| # WASAPI loopback device name (null = default output device) | |
| device: null | |
| # Sample rate for capture | |
| sample_rate: 16000 | |
| # Audio chunk duration in seconds for VAD processing (32ms = Silero VAD native window) | |
| chunk_duration: 0.032 | |
| asr: | |
| # Model size: tiny, base, small, medium, large-v3 | |
| model_size: "medium" | |
| # Device: cuda or cpu | |
| device: "cuda" | |
| # Compute type: float16, int8_float16, int8 | |
| compute_type: "float16" | |
| # Language: auto, en, ja, zh, ko, etc. | |
| language: "auto" | |
| # Minimum speech duration (seconds) before sending to ASR | |
| min_speech_duration: 1.0 | |
| # Maximum speech duration (seconds) before forced segmentation | |
| max_speech_duration: 8.0 | |
| # VAD threshold (0.0 - 1.0) | |
| vad_threshold: 0.5 | |
| translation: | |
| # OpenAI-compatible API settings | |
| api_base: "https://api.openai.com/v1" | |
| api_key: "your-api-key-here" | |
| model: "gpt-4o-mini" | |
| # Target language for translation | |
| target_language: "zh" | |
| # Source language hint (auto = detect from ASR) | |
| source_language: "auto" | |
| # Context window size (number of recent translations to include) | |
| context_window: 10 | |
| # Max tokens for translation response | |
| max_tokens: 256 | |
| # Temperature | |
| temperature: 0.3 | |
| # Enable streaming output | |
| streaming: true | |
| # System prompt template ({source_lang}, {target_lang}, {context} will be replaced) | |
| system_prompt: | | |
| 你是一个专业的影视字幕翻译专家。请将以下{source_lang}对话翻译为{target_lang}。 | |
| 要求： | |
| 1. 保持口语化，符合目标语言观众的表达习惯 | |
| 2. 简洁明了，每句翻译不超过原文两行 | |
| 3. 如果语句不完整，结合上下文补全含义 | |
| 4. 不要添加解释或注释，只输出翻译结果 | |
| 近期对话上下文： | |
| {context} | |
| subtitle: | |
| # Font family | |
| font_family: "Microsoft YaHei" | |
| # Font size | |
| font_size: 28 | |
| # Font color (hex) | |
| font_color: "#FFFFFF" | |
| # Outline color | |
| outline_color: "#000000" | |
| # Outline width | |
| outline_width: 2 | |
| # Subtitle position from bottom (pixels) | |
| bottom_margin: 80 | |
| # Show original text above translation | |
| show_original: true | |
| # Original text font size | |
| original_font_size: 20 | |
| # Original text color | |
| original_color: "#CCCCCC" | |
| # Subtitle display duration (seconds) | |
| display_duration: 5.0 | |
| # Window opacity (0.0 - 1.0) | |
| opacity: 0.95 | |