JaiTTS: A Thai Voice Cloning Model
We present JaiTTS-v1.0, a state-of-the-art Thai voice cloning text-to-speech model built through continual training on a large Thai-centric speech corpus. The model architecture is adapted from VoxCPM, a tokenizer-free autoregressive TTS model. JaiTTS-v1.0 directly processes numerals and Thai-English code-switching, which is very common in realistic settings, without explicit text normalization. We test the models on short- and long-duration speech generation, which reflects many real-world use cases. JaiTTS-v1.0 achieves a state-of-the-art CER of 1.94%, surpassing the human ground truth of 1.98% for short-duration tasks while performing on par with human ground truth for long-duration ta...
| Authors | Jullajak Karnjanaekarin, Pontakorn Trakuekul, Narongkorn Panitsrisit et al. |
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| Primary category | cs.CL |
| Published | 30 April 2026 |
| Last updated at source | 7 May 2026 |
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