baidu-speech-to-text
Skill18 starsChanged 7 months agoMITView on GitHub
百度语音识别 - 将语音消息转换为文本。支持中文普通话、英语、粤语、四川话。专为国内服务器环境优化,自动绕过代理访问百度 API。
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百度语音识别 - 音频转文本
概述
本 skill 用于将用户发送的语音消息(ogg/opus 格式)转换为文本。使用百度语音识别 API,专为国内服务器 + 代理环境优化。
环境背景
问题场景
- 国内服务器通过
proxychains4代理访问海外服务(Discord、WhatsApp 等) - 但百度 API 是国内服务,通过代理访问反而会失败(SSL 错误)
- 需要在代理环境下选择性绕过百度 API
解决方案
- 使用 wrapper 脚本,通过
unset LD_PRELOAD绕过 proxychains 注入 - 脚本内部清除代理环境变量,确保直连百度 API
脚本文件
| 脚本 | 路径 | 用途 |
ogg_to_text.sh | /root/.openclaw/workspace/scripts/ogg_to_text.sh | 推荐 - 简单易用 |
speech_to_text.sh | /root/.openclaw/workspace/scripts/speech_to_text.sh | 完整功能版 |
baidu_speech_to_text.py | /root/.openclaw/workspace/scripts/baidu_speech_to_text.py | Python 主脚本 |
使用方法
基本用法(中文普通话)
/root/.openclaw/workspace/scripts/ogg_to_text.sh <音频文件路径>示例
# 转换用户语音消息
/root/.openclaw/workspace/scripts/ogg_to_text.sh /root/.openclaw/media/inbound/xxxxx.ogg支持的语言
| 参数 | 语言 |
--lang zh | 中文普通话(默认) |
--lang en | 英语 |
--lang cantonese | 粤语 |
--lang sichuan | 四川话 |
使用极速版(更快,仅中文)
/root/.openclaw/workspace/scripts/speech_to_text.sh <音频文件> --pro音频文件位置
用户通过 WhatsApp/Discord 发送的语音消息保存在:
/root/.openclaw/media/inbound/文件格式通常为 .ogg(Opus 编码),脚本会自动转换为 PCM 格式。
工作流程
当用户发送语音消息并请求转文本时:
- 确定语音文件路径(
/root/.openclaw/media/inbound/*.ogg) - 执行转换:
/root/.openclaw/workspace/scripts/ogg_to_text.sh /root/.openclaw/media/inbound/<文件名>.ogg - 返回识别结果给用户
性能参考
| 阶段 | 耗时 | 说明 |
| 获取 token | ~100ms | 可缓存优化 |
| ogg 转 pcm | ~150-220ms | ffmpeg 转换 |
| API 调用 | ~400-600ms | 主要耗时 |
| 总计 | ~700-1000ms |
API 配置
使用环境变量提供百度 API 账号信息(请勿写入仓库):
export BAIDU_APP_ID="your_app_id"
export BAIDU_API_KEY="your_api_key"
export BAIDU_SECRET_KEY="your_secret_key"端点:
错误处理
| 错误 | 原因 | 解决方案 |
| SSL 错误 | 代理影响 | 确保使用 wrapper 脚本(.sh),不要直接调用 Python |
| 识别结果为空 | 静音或无语音 | 告知用户音频可能没有语音内容 |
| 3301 错误 | 音频质量差 | 请用户重新录制 |
| 3303 错误 | 语音过长 | 需要分段处理 |
注意事项
- 必须使用 shell wrapper 脚本,不要直接调用 Python 脚本
- 脚本已内置代理绕过逻辑,在 proxychains 环境下可正常工作
- 短语音识别限制约 60 秒,超长音频需分段
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