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fix(google): emit opus voice-note tts

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Peter Steinberger
2026-04-25 21:33:15 +01:00
parent d5b6667823
commit e2fd3dcee9
14 changed files with 300 additions and 123 deletions
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docs/tools/tts.md
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@@ -584,7 +584,7 @@ These override `messages.tts.*` for that host.
- **Local CLI**: uses the configured `outputFormat`. Voice-note targets are
converted to Ogg/Opus and telephony output is converted to raw 16 kHz mono PCM
with `ffmpeg`.
- **Google Gemini**: Gemini API TTS returns raw 24kHz PCM. OpenClaw wraps it as WAV for audio attachments and returns PCM directly for Talk/telephony. Native Opus voice-note format is not supported by this path.
- **Google Gemini**: Gemini API TTS returns raw 24kHz PCM. OpenClaw wraps it as WAV for audio attachments, transcodes it to 48kHz Opus for voice-note targets, and returns PCM directly for Talk/telephony.
- **Gradium**: WAV for audio attachments, Opus for voice-note targets, and `ulaw_8000` at 8 kHz for telephony.
- **xAI**: MP3 by default; `responseFormat` may be `mp3`, `wav`, `pcm`, `mulaw`, or `alaw`. OpenClaw uses xAI's batch REST TTS endpoint and returns a complete audio attachment; xAI's streaming TTS WebSocket is not used by this provider path. Native Opus voice-note format is not supported by this path.
- **Microsoft**: uses `microsoft.outputFormat` (default `audio-24khz-48kbitrate-mono-mp3`).