{"id":39146,"date":"2025-07-13T09:30:36","date_gmt":"2025-07-13T01:30:36","guid":{"rendered":"https:\/\/www.1ai.net\/?p=39146"},"modified":"2025-07-09T15:37:27","modified_gmt":"2025-07-09T07:37:27","slug":"kyutai-tts%ef%bc%9a%e4%b8%80%e6%ac%be%e5%bc%80%e6%ba%90tts%e6%a8%a1%e5%9e%8b%ef%bc%8c%e8%b6%85%e4%bd%8e%e5%bb%b6%e8%bf%9f%e8%af%ad%e9%9f%b3%e5%90%88%e6%88%90%e5%b7%a5%e5%85%b7","status":"publish","type":"post","link":"https:\/\/www.1ai.net\/en\/39146.html","title":{"rendered":"Kyutai TTS: an open source TTS model, ultra-low latency speech synthesis tool"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39147\" title=\"be844249j00sz4fsu003rd000of00c5p\" src=\"https:\/\/www.1ai.net\/wp-content\/uploads\/2025\/07\/be844249j00sz4fsu003rd000of00c5p.jpg\" alt=\"be844249j00sz4fsu003rd000of00c5p\" width=\"879\" height=\"437\" \/><\/p>\n<p><a href=\"https:\/\/www.1ai.net\/en\/tag\/kyutai-tts\" title=\"[See article with [Kyutai TTS] label]\" target=\"_blank\" >Kyutai TTS<\/a> Kyutai TTS is a text-to-speech model optimized for real-time applications. It provides ultra-low-latency, high-accuracy speech synthesis with support for text streaming input and long audio generation for a variety of scenarios that require real-time voice interaction, such as voice assistants, real-time subtitle generation, etc. Kyutai TTS is unique in its delayed-streaming modeling technology, which makes it significantly better than other models in terms of real-time performance.<\/p>\n<h2><span id=\"lwptoc2\"><strong>Kyutai TTS Features<\/strong><\/span><\/h2>\n<ol>\n<li>Highly Accurate Speech Synthesis: The Word Error Rate (WER) of Kyutai TTS is much lower than that of other models, with 2.82% in English and 3.29% in French, ensuring the accuracy of the speech output.<\/li>\n<li>high fidelity<a href=\"https:\/\/www.1ai.net\/en\/tag\/%e8%af%ad%e9%9f%b3%e5%85%8b%e9%9a%86\" title=\"[Sees articles with tags]\" target=\"_blank\" >Voice cloning<\/a>: The model performs well in terms of speech similarity, reaching 77.1% and 78.7% for English and French, respectively, and the generated speech highly reproduces the timbre and style of the original audio.<\/li>\n<li>Ultra-low Latency Real-Time Processing: From the receipt of the first text token to the generation of the first audio, Kyutai TTS has a latency of only 220 milliseconds, or 350 milliseconds even when processing 32 concurrent requests, ensuring smooth real-time applications.<\/li>\n<li>Text Streaming Processing: Kyutai TTS supports text streaming input, which enables real-time processing of text generated by large language models without waiting for the full text to be input, significantly improving efficiency.<\/li>\n<li>Long Audio Generation Support: Kyutai TTS can generate audio of any length, breaking through the limitations of traditional models in long audio generation.<\/li>\n<li>Production-Ready Servers: Kyutai TTS provides robust Rust servers, supports streaming access via WebSockets, and provides a Dockerfile for easy deployment.<\/li>\n<li>Word-level timestamped output: Kyutai TTS output contains precise word timestamps, which can be used in scenarios such as generating real-time subtitles or handling user interruptions.<\/li>\n<li>Multi-language support: English and French are currently supported, and more languages will be supported in the future.<\/li>\n<\/ol>\n<p>Official website link:<a href=\"https:\/\/kyutai.org\/next\/tts\">https:\/\/kyutai.org\/next\/tts<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Kyutai TTS is a text-to-speech model optimized for real-time applications. It provides ultra-low latency, high-accuracy speech synthesis with text streaming input and long audio generation for a wide range of scenarios that require real-time voice interaction, such as voice assistants, real-time subtitle generation, etc. Kyutai TTS is unique in that its latency streaming modeling technology significantly outperforms other models in terms of real-time performance. Kyutai TTS Features Highly Accurate Speech Synthesis: Kyutai TTS has a much lower Word Error Rate (WER) than other models, at 2.82% in English and 3.29% in French, ensuring accurate speech output. High-fidelity speech cloning: The model performs well in terms of speech similarity, with the English and French models having<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138,147],"tags":[172,7161,578,2110],"collection":[],"class_list":["post-39146","post","type-post","status-publish","format-standard","hentry","category-product","category-yinpin","tag-ai","tag-kyutai-tts","tag-578","tag-2110"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/posts\/39146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/comments?post=39146"}],"version-history":[{"count":0,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/posts\/39146\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/media?parent=39146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/categories?post=39146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/tags?post=39146"},{"taxonomy":"collection","embeddable":true,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/collection?post=39146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}