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Voicebox

Voicebox is a voice studio that clones a voice from a few seconds of audio and then speaks any script in it, all on hardware you control. Eight speech engines cover multilingual cloning, preset voices, voices described in plain words, and expressive tags like laughs and sighs, across 23 languages. Long scripts are split at sentence boundaries and crossfaded, so chapters and articles render in one pass. A post-processing rack adds pitch shift, reverb, delay, chorus, compression, and filters, with presets like Robotic and Radio. The Stories editor lays voices on a multi-track timeline for podcasts and dialogues, then exports the mix. Voice profiles can be recorded in the app, imported, exported, and given personas that a bundled local language model uses to compose, rewrite, or respond. Global dictation turns a held hotkey into transcribed text with optional cleanup of filler words. A built-in MCP server and REST API let coding agents call a single speak tool and talk back in a cloned voice. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. MIT licensed.

Voicebox
Voicebox
Voicebox

Benefits

  • Clone Any Voice Quickly
  • Record or upload a short sample and Voicebox builds a reusable profile with multi-sample support, per-profile default effects, and import or export for backup, so a cloned voice stays portable.
  • Eight Engines, One Interface
  • Switch between Qwen3-TTS, Chatterbox, Kokoro, LuxTTS, and others per generation to trade quality, language coverage, speed, and expressiveness without leaving the same screen or re-uploading anything.
  • Compose Multi-Voice Audio Stories
  • The Stories timeline arranges clips from different voices across tracks, with trimming, splitting, and a playhead, so a podcast, dialogue, or audiobook chapter can be edited and exported as one file.
  • Give Your Agents A Voice
  • An MCP server and REST API let tools like Claude Code, Cursor, and Cline speak results aloud in a voice you chose, and the same API supports your own applications.

Features

  • Multi-Engine Voice Cloning
  • Zero-shot cloning, 50-plus preset voices, and voice design from a written description, with 23 languages and delivery control.
  • Post-Processing Effects Rack
  • Apply pitch shift, reverb, delay, chorus, compression, gain, and filters after generation, then save custom presets or use four built-in ones.
  • Stories Timeline Editor
  • Arrange clips from several voices on a multi-track timeline with drag and drop, trimming, splitting, and synchronized playback.
  • Global Voice Dictation
  • Hold a hotkey anywhere, speak, and paste a Whisper transcript into the focused field, with optional cleanup of fillers and false starts.
  • Voice Personalities
  • Attach a persona to any voice profile, then compose, rewrite, or respond in character using a bundled local language model.
  • Async Generation Queue
  • Submit generations without waiting, track status live, retry failures, and keep every take as a versioned, favorite-able result.

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