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HappyHorse ships native audio across Chinese, English, Japanese, Korean, German, French, and Cantonese with ultra-low WER lip sync. Here is how the unified architecture handles it and what to write into your prompt.
HappyHorse 1.0 synthesizes audio and video in one pass, off one latent trajectory, with lip sync that holds across seven languages. That sounds like a feature you always want on.
HappyHorse 1.0 ships with native lip sync across seven languages. When it works, mouth shapes track consonants and the timing lines up with the duration.