B站Index團隊開源文本轉語音系統IndexTTS-2.0，該系統具備情感可控和時長可調兩大特點，標誌着零樣本TTS技術實現重要突破。通過引入時間編碼機制等核心創新，有效解決了語音合成領域的情感表達和時長控制難題，推動技術實用化進程。
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