HierSpeech: Bridging the Gap between Text and Speech by Hierarchical Variational Inference using Self-supervised Representations for Speech Synthesis - Lee, Sang-Hoon; Kim, Seung-Bin; Lee, Ji-Hyun; Song, Eunwoo; Hwang, Min-Jae; Lee, Seong-Whan (Advances in Neural Information Processing Systems, 2022)