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Ployglot - Translation AI assistant OBS Plugin

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Introduction

Polyglot translation AI plugin allows you to translate text in multiple languages in real-time and locally on your machine. ✅ No GPU required, ✅ no cloud costs, ✅ no network and ✅ no downtime! Privacy first - all data stays on your machine.

"polyglot" is derived from the Greek words: "poly-" meaning "many"and "glōtta" (or "glōssa") meaning "tongue" or "language".

It's using the excellent CTranslate2 project from OpenNMT.

If this free plugin has been valuable to you consider adding a ⭐ to this GH repo, subscribing to my YouTube channel where I post updates, and supporting my work: https://github.com/sponsors/royshil

Usage Tutorial

Watch a short tutorial on how to use and setup Polyglot on your OBS scene.

Current Features:

  • Translate in real time using an internal HTTP server
  • Choice of CTranslate2 model file

Roadmap:

  • Translation directly on OBS text sources, e.g. with a filter
  • Translation of live stream or recording captions

Check out our other plugins:

  • Background Removal removes background from webcam without a green screen.
  • 🚧 Experimental 🚧 CleanStream for real-time filler word (uh,um) and profanity removal from live audio stream
  • URL/API Source that allows fetching live data from an API and displaying it in OBS.
  • LocalVocal speech AI assistant plugin for real-time transcription (captions), translation and more language functions

Download

Check out the latest releases for downloads and install instructions.

Models

You need to download a CT2 model for the translation service to work.

Here are download links for models that are compatible with the plugin:

Download models options: (get e.g. model.bin and SPM = SentencePiece Model .model file)

Building

The plugin was built and tested on Mac OSX (Intel & Apple silicon), Windows and Linux.

Start by cloning this repo to a directory of your choice.

Remember to sync and fetch the submodules before building, e.g.

$ git submodule sync --recursive
$ git update --init --recursive

Mac OSX

Using the CI pipeline scripts, locally you would just call the zsh script. By default this builds a universal binary for both Intel and Apple Silicon. To build for a specific architecture please see .github/scripts/.build.zsh for the -arch options.

$ ./.github/scripts/build-macos -c Release

Install

The above script should succeed and the plugin files (e.g. obs-urlsource.plugin) will reside in the ./release/Release folder off of the root. Copy the .plugin file to the OBS directory e.g. ~/Library/Application Support/obs-studio/plugins.

To get .pkg installer file, run for example

$ ./.github/scripts/package-macos -c Release

(Note that maybe the outputs will be in the Release folder and not the install folder like pakage-macos expects, so you will need to rename the folder from build_x86_64/Release to build_x86_64/install)

Linux (Ubuntu)

Use the CI scripts again

$ ./.github/scripts/build-linux.sh

Copy the results to the standard OBS folders on Ubuntu

$ sudo cp -R release/RelWithDebInfo/lib/* /usr/lib/x86_64-linux-gnu/
$ sudo cp -R release/RelWithDebInfo/share/* /usr/share/

Note: The official OBS plugins guide recommends adding plugins to the ~/.config/obs-studio/plugins folder.

Windows

Use the CI scripts again, for example:

> .github/scripts/Build-Windows.ps1 -Target x64 -CMakeGenerator "Visual Studio 17 2022"

The build should exist in the ./release folder off the root. You can manually install the files in the OBS directory.