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byted-voice-to-text

语音转文字（ASR）。使用火山引擎 BigModel ASR 识别语音，包含极速版（≤2h/100MB 同步快速返回）和标准版（≤5h 异步识别）两种模式。支持飞书语音消息、本地音频文件及音频 URL。当收到语音消息或音频附件（.ogg/.mp3/.wav）时使用本技能。

skills/byted-voice-to-text/SKILL.md

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Nov 6, 2026
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# Voice to Text Skill

基于[火山引擎 BigModel ASR](https://www.volcengine.com/docs/6561/1354870) 将语音转为文字。准确率和多语言能力远优于本地 whisper，且速度更快。

## 核心执行流

1. **收到飞书语音消息（`message_type: audio`），需要自动识别语音内容**
2. **用户给音频要转文字**：
   - 先跑 `inspect_audio.py`
   - 再按时长、大小、URL/本地路径选择 `asr_flash.py`（极速版）或 `asr_standard.py`（标准版）
2. **缺 ffmpeg / ffprobe**：先执行 `ensure_ffmpeg.py --execute`
3. **用户问安装、开通、手工配置**：按文末 reference map 读取对应文档

## 强制规则（最高优先级）