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Open-source local voice cloning and dubbing software

TL;DR: VoiceStudio runs fully on local hardware to handle text-to-speech, transcription, and translation workflows without depending on external cloud APIs. It manages underlying speech engines locally, giving developers an open-source alternative for audio generation tasks.
Best for: Developers and creators building audio-heavy workflows who need local-first speech processing.
Repository snapshot: ⭐ 105 327 stars · 🍴 11 707 forks · Python · AGPL-3.0
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What it is

VoiceStudio is an open-source, local-first alternative to cloud speech platforms. Written in Python, it allows developers and creators to run voice cloning, translation, transcription, and text-to-speech workflows entirely on their own hardware.

How it works

The project runs underlying speech and translation models locally, completely bypassing external cloud services. It manages tasks through built-in local interfaces, automated watch folders, and local APIs, ensuring all audio processing happens on your machine.

Key features

  • Clone voices using clean reference recordings
  • Dub videos with translated speech matched to original timing
  • Generate new voices using text descriptions
  • Transcribe audio and dictate text via a desktop widget
  • Automate local pipelines using built-in APIs

Getting started

Clone the repository from GitHub and ensure you have Python and a compatible GPU installed to handle local model inference:

git clone https://github.com/debpalash/VoiceStudio
cd VoiceStudio
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Follow the local setup instructions in the repository to install dependencies and run the application.

When not to use it

Skip this tool if you lack a dedicated GPU with sufficient VRAM, as running large speech models locally requires substantial hardware resources.


Discuss

Which local speech model engine do you prefer for offline transcription tasks?

Curated from the repository README and metadata. No hands-on test is claimed; evaluate it in a sandbox before production use.

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