VoiceStudio
Clone voices, dub video, dictate, and produce long-form audio on your own hardware.

VoiceStudio (formerly OmniVoice-Studio) is a local-first voice AI platform that runs entirely on your own hardware. It integrates 16 TTS engines and 11 ASR engines, supports 646 languages, and offers voice cloning, video dubbing, dictation, story/audiobook production, and batch generation. No account, API key, subscription, or usage meter required for the local workflow. Available for macOS, Windows, Linux, and Docker, with CUDA, Apple Silicon MPS/MLX, ROCm, and CPU support.

Key Features
- Zero-shot voice cloning from 3-15 second reference clip
- 16 TTS engines with 646+ language catalogue
- 11 ASR engines for transcription and dictation
- Video dubbing with speaker preservation and translation
- System-wide dictation widget with live transcription
- Multi-voice story and audiobook production with .m4b export
- EPUB/PDF import for long-form audio generation
- Batch queue for large audio and video jobs
- OpenAI-compatible local audio API and MCP Server
- Vocal isolation and speaker diarization
- AI watermark embedding and detection (AudioSeal)
- Local-first: all data stays on your machine
- CUDA, Apple Silicon MPS/MLX, ROCm, and CPU support
- macOS, Windows, Linux, and Docker availability
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