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fix(feishu): transcode voice TTS audio

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Peter Steinberger
2026-04-25 09:26:08 +01:00
parent bd32b1a906
commit b0c55eb659
16 changed files with 416 additions and 6 deletions
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docs/tools/tts.md
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@@ -489,8 +489,12 @@ These override `messages.tts.*` for that host.
## Output formats (fixed)
- **Feishu / Matrix / Telegram / WhatsApp**: Opus voice message (`opus_48000_64` from ElevenLabs, `opus` from OpenAI).
- **Feishu / Matrix / Telegram / WhatsApp**: voice-note replies prefer Opus (`opus_48000_64` from ElevenLabs, `opus` from OpenAI).
- 48kHz / 64kbps is a good voice message tradeoff.
- **Feishu**: when a voice-note reply is produced as MP3/WAV/M4A or another
likely audio file, the Feishu plugin transcodes it to 48kHz Ogg/Opus with
`ffmpeg` before sending the native `audio` bubble. If conversion fails, Feishu
receives the original file as an attachment.
- **Other channels**: MP3 (`mp3_44100_128` from ElevenLabs, `mp3` from OpenAI).
- 44.1kHz / 128kbps is the default balance for speech clarity.
- **MiniMax**: MP3 (`speech-2.8-hd` model, 32kHz sample rate) for normal audio attachments. For voice-note targets such as Feishu and Telegram, OpenClaw transcodes the MiniMax MP3 to 48kHz Opus with `ffmpeg` before delivery.
@@ -572,6 +576,8 @@ Notes:
The `tts` tool converts text to speech and returns an audio attachment for
reply delivery. When the channel is Feishu, Matrix, Telegram, or WhatsApp,
the audio is delivered as a voice message rather than a file attachment.
Feishu can transcode non-Opus TTS output on this path when `ffmpeg` is
available.
It accepts optional `channel` and `timeoutMs` fields; `timeoutMs` is a
per-call provider request timeout in milliseconds.