Unisound AI Technology Co has successfully completed an upgrade of its U2-ASR and U2-TTS models, enabling the company to expand its capabilities into multiple international languages. This development is part of a broader trend among Chinese AI companies, which are increasingly enhancing speech technologies to support a wider range of languages, as noted in recent China AI Index listings from July 2026.

U2-ASR: U2-ASR is an automatic speech recognition model developed by Unisound AI Technology Co. It forms part of the company’s U2 series of AI tools and was recently upgraded to improve performance across multiple languages. The update supports the firm’s broader push into international markets.
U2-TTS: U2-TTS is a text-to-speech model from Unisound AI Technology Co., listed among its key audio AI offerings including variants like U2-TTS-Clone. It received a recent upgrade alongside U2-ASR to expand language capabilities. This positions the model for wider global applications in speech synthesis.
Unisound AI Technology Co: Unisound AI Technology Co., Ltd. is a Chinese company specializing in artificial intelligence products and solutions, with a focus on speech and audio technologies. It develops models such as the U2 series for recognition and synthesis tasks. The company recently completed upgrades to its core systems to enable support for additional international languages.

AI Models: Unisound’s U2-TTS and related audio models were highlighted in recent China AI Index listings from July 2026.
Industry Focus: Chinese AI companies continue advancing speech technologies for broader international language support.