ESPnet-ST IWSLT 2021 Offline Speech Translation System Hirofumi Inaguma author Brian Yan author Siddharth Dalmia author Pengcheng Guo author Jiatong Shi author Kevin Duh author Shinji Watanabe author 2021-08 text Proceedings of the 18th International Conference on Spoken Language Translation (IWSLT 2021) Marcello Federico editor Alex Waibel editor Marta R Costa-jussà editor Jan Niehues editor Sebastian Stuker editor Elizabeth Salesky editor Association for Computational Linguistics Bangkok, Thailand (online) conference publication inaguma-etal-2021-espnet 10.18653/v1/2021.iwslt-1.10 https://aclanthology.org/2021.iwslt-1.10/ 2021-08 100 109