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Version 1.6.0 - Chatterbox TTS & Voice Changer

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@FranckyB FranckyB released this 13 Feb 01:46
· 55 commits to main since this release
v1.6.0
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Chatterbox TTS

  • New TTS Engine - Integrated Chatterbox TTS (MIT license) for voice cloning with a single reference sample
  • 23 Languages - English uses the fast default model; other languages auto-switch to the Multilingual model
  • Voice Clone Support - Added Chatterbox as a Voice Clone engine with exaggeration, CFG weight, temperature, repetition penalty, and top-p controls
  • Conversation Support - Chatterbox available as a Conversation engine with up to 8 speakers, sequential per-line generation, and configurable pauses

Voice Changer

  • New Voice Changer Tool - Convert any audio to match a target voice using Chatterbox voice conversion
  • Target Voice Selector - Browse and preview voice samples from your samples folder
  • Source Audio Input - Upload audio files or record directly from microphone
  • Save to Samples - Save converted audio directly to your samples folder for use with other tools

Conversation Tool Improvements

  • Shared Voice Sample Dropdowns - Consolidated duplicate per-engine dropdowns into a single shared set of 8, reducing UI bloat
  • Smart Speaker Limit - Rows 5-8 automatically hidden when using VibeVoice (4 speaker limit)

Chatterbox Multilingual Fixes

  • Truncation Fix - Increased max generation tokens from 1000 to 2048 (~80 seconds max vs ~40 seconds)
  • Premature EOS Fix - Fixed AlignmentStreamAnalyzer cutting audio short by requiring minimum speech frames before allowing completion
  • macOS Compatibility - Added MPS/CPU support with proper device mapping and MPS availability checks

Other Improvements

  • Python 3.10-3.12 Enforcement - Setup scripts now auto-discover compatible Python versions and block 3.13+
  • Flash Attention Install - Added Flash Attention 2 install option to setup-windows.bat
  • Prep Audio Cache Fix - Delete and clear cache now also remove LuxTTS .pt cache files
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