feat: add CAMB AI as TTS engine with voice cloning & audio separation#7
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neilruaro-camb wants to merge 1 commit into
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feat: add CAMB AI as TTS engine with voice cloning & audio separation#7neilruaro-camb wants to merge 1 commit into
neilruaro-camb wants to merge 1 commit into
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- Add pluggable TTSProvider abstraction (Edge TTS + CAMB AI) - CAMB AI TTS with MARS-Flash, MARS-Pro, MARS-Instruct models - Voice cloning from original speaker audio (auto 20s sample extraction) - Audio separation via CAMB AI to preserve background music - Activate the dubbing pipeline (synthesize + fit_audio + concat + render) - New CLI flags: --tts-engine, --camb-model, --voice-clone, --voice-id, --separate-audio - Fix faster-whisper MPS compatibility (fallback to CPU) - Graceful subtitle handling when FFmpeg lacks libass - Fully backward compatible: subtitle-only mode unchanged
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Summary
Hey! We're the team at CAMB AI — we build the localization engine behind the Premier League, NASCAR, the NBA, and other major sports organizations for multilingual audio/video content.
We love what you've built with youtube-auto-dub and would love to be integrated as one of the TTS options. This PR adds CAMB AI as an optional, high-quality TTS backend alongside the existing Edge TTS support.
What's included
TTSProviderinterface so users can choose between Edge TTS (free) and CAMB AIEngine.synthesize()andmedia.fit_audio()code was never called; this PR wires it up end-to-endNew CLI flags
--tts-engine {edge,camb}--camb-model {mars-flash,mars-pro,mars-instruct}--voice-clone--voice-id <int>--separate-audioBackward compatible
CAMB_API_KEYenv var)Tested with
Test plan
python main.py "URL" --lang es(subtitle-only, regression test)python main.py "URL" --lang es --tts-engine edge(Edge TTS dubbing)python main.py "URL" --lang es --tts-engine camb(CAMB AI dubbing)python main.py "URL" --lang es --tts-engine camb --voice-clone(voice cloning)python main.py "URL" --lang es --tts-engine camb --separate-audio(audio separation)