RubatoCodec: variable-frame-rate neural audio codec open-sourced with weights, code and paper

realmrfakename · x · 2026-10-28

Developer AratakoLM has released RubatoCodec, a variable-frame-rate neural audio codec, fully open-sourced with weights, training and inference code, and an accompanying paper.

Designed primarily for practical TTS use, the codec reportedly achieves notably strong performance on English and Japanese, serving as an acoustic intermediate representation in speech synthesis pipelines.

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