Microsoft has recently upgraded its Azure AI Speech Service, introducing 9 more realistic AI voices aimed at providing a more natural and immersive conversational experience. This upgrade incorporates zero-shot learning technology, enhancing the naturalness of synthesized voices and improving the accuracy of mimicry features. Users can quickly and easily create their own AI voices through the personalized voice feature, significantly enhancing the realism of the voices. The service supports over 400 neural voices, covering more than 140 languages, with fast and seamless conversion. Additionally, Microsoft has released 9 AI voices optimized for dialogue, increasing options and diversity, offering users a richer voice interaction experience. This upgrade by Microsoft provides a more authentic and diverse voice interaction experience for various business scenarios.