Balthazar

A Discord voice bot that streams call audio to the browser, transcribes speech with Whisper, and captures clips.

☕ Support: Buy Me a Coffee

Overview

Balthazar joins a voice channel, streams the audio to a browser view, transcribes speech in real time with Whisper, and captures the last 30 seconds on command or a voice trigger. Includes a live talk/voice-call mode.

Features

• Live audio streaming to the browser (WebRTC)
• Real-time Whisper transcription
• 30-second clip capture on command or voice trigger
• Live voice-call mode (STT → LLM → TTS)
• Per-guild /language

Tech Stack

Node.js · discord.js · Whisper · WebRTC · Docker

Development

npm install
# set the required tokens in the environment, then:
npm start

Deployment

Docker on the homelab host; GHCR + Watchtower auto-deploy.

Support

If this project is useful to you, consider supporting development:

☕ Buy Me a Coffee

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Part of the Hackatoa ecosystem — self-hosted apps, browser games, and bots. · All repositories »