FastSpeech 2 improves over FastSpeech by not requiring a complicated teacher-student training regime, but instead being trained directly on the data. It is very similar to FastPitch 2, which was released around the same by different authors.
Yi Ren, Chenxu Hu, Xu Tan, Tao Qin, Sheng Zhao, Zhou Zhao, Tie-Yan Liu. “FastSpeech 2: Fast and High-Quality End-to-End Text to Speech” in Proc. ICLR 2021
arXiv version (last resort, not guaranteed to be same as published version)
GitHub page for demos (no official implementation has been released)
