modbender Voice Message
Send text as voice messages to any chat channel.
Prerequisites
edge-tts— Microsoft Edge TTS (pip install edge-tts)ffmpeg/ffprobe— audio conversion and duration detection
Default Voices
- Chinese:
zh-CN-XiaoxiaoNeural - English:
en-US-JennyNeural - Other languages: see references/voices.md
Step 1: Generate Voice File
Use scripts/gen_voice.sh to convert text to an ogg/opus file:
scripts/gen_voice.sh "你好" /tmp/voice.ogg
scripts/gen_voice.sh "Hello" /tmp/voice.ogg en-US-JennyNeural
Arguments: <text> <output.ogg> [voice]
- If voice is omitted, defaults to
zh-CN-XiaoxiaoNeural.
Step 2: Send by Channel
Generic (Telegram, Signal, WhatsApp, etc.)
Use the message tool directly:
action=send, asVoice=true, filePath=/tmp/voice.ogg
This works for most channels. Telegram confirmed working.
Feishu/Lark
⚠️ Feishu does NOT support asVoice=true via the message tool. You must use the dedicated script.
Use scripts/send_feishu_voice.sh:
scripts/send_feishu_voice.sh /tmp/voice.ogg <receive_id> <tenant_access_token> [receive_id_type]
receive_id_type:open_id(default),chat_id,user_id,union_id,email- The script handles upload (as opus with duration) and sends as audio message type to produce a voice bubble.
- To get
tenant_access_token, use the Feishu tenant token API with your app credentials.
Discord
Discord voice messages require a waveform and special flags.
- Generate ogg with
scripts/gen_voice.sh - Generate waveform:
python3 scripts/gen_waveform.py /tmp/voice.ogg- Outputs JSON:
{"duration_secs": 4.2, "waveform": "base64..."}
- Outputs JSON:
- Send via Discord API with
flags: 8192(IS_VOICE_MESSAGE) and the waveform/duration in attachments metadata.- Missing waveform/duration causes error 50161.
Fallback
If asVoice=true does not produce a voice bubble on a channel:
- Try sending via the platform's native API
- If native API unavailable, send as audio file attachment