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lark-voice

Send voice messages on Lark (Feishu) by converting text to speech. Use when the user asks to send a voice message or reply with voice.

skill-install — Terminal

Install via CLI (Recommended)

clawhub install openclaw/skills/skills/cheerwhy/lark-voice
Or

Lark (Feishu) Voice

Convert text to speech and send as a voice message on Lark (Feishu).

Requirements

  • ffmpeg — audio format conversion
  • At least one TTS source (skill or built-in tool)

Usage

1. Discover TTS Source

Scan installed skills for names containing tts, and check if the OpenClaw built-in tts tool is available.

  • User specified a TTS source → use it directly
  • Not specified, only one available → use it directly
  • Not specified, multiple available → ask the user to choose
  • None available → use the OpenClaw built-in tts tool, and suggest installing a TTS skill for more voice options

2. Generate Audio

Call the selected TTS source to generate an audio file in wav/mp3 or other intermediate format, saved to /tmp/openclaw/.

3. Convert to Opus

Feishu voice messages only support the opus format (OGG container).

ffmpeg -y -i /tmp/openclaw/input.wav -c:a libopus -b:a 24k -ar 24000 -ac 1 /tmp/openclaw/voice.opus

4. Send Voice

Use the message tool to send. The openclaw-lark plugin automatically detects the .opus extension, parses the duration, and delivers it as a msg_type: audio voice bubble.

message(action=send, media="/tmp/openclaw/voice.opus", message="optional text")
Read Full Documentation on GitHub

Metadata

Author@cheerwhy
Stars3875
Views1
Updated2026-04-07
View Author Profile
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Add to Configuration

Paste this into your clawhub.json to enable this plugin.

{
  "plugins": {
    "official-cheerwhy-lark-voice": {
      "enabled": true,
      "auto_update": true
    }
  }
}
Safety NoteClawKit audits metadata but not runtime behavior. Use with caution.

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