The Blizzard Challenge 2021 workshop was held online in October 2021.

Videos of the presentations are available at https://www.youtube.com/playlist?list=PLHty9pS2rtekcSBeRGcvHHAyCsXX9Zrkd

• "The Blizzard Challenge 2021" Zhen-Hua Ling, Xiao Zhou, Simon King PDF
• "Using multi-speaker models for single speaker Spanish synthesis in the Blizzard 2021" Christian Saam, João P. Cabral PDF
• "The AHOLAB Text-to-Speech system for Blizzard Challenge 2021" Vıctor García Romillo, Inma Hernaéz Rioja, Eva Navas PDF
• "The CPQD-Unicamp system for Blizzard Challenge 2021" Mário Uliani Neto, Flávio O. Simões, Fernando O. Runstein, Edson J. Nagle, Bianca Dal Bó, Lucas H. Ueda, Paula D. P. Costa PDF
• "The CSTR entry to the Blizzard Challenge 2021" Dan Wells, Pilar Oplustil-Gallegos, Simon King PDF
• "DelightfulTTS: The Microsoft Speech Synthesis System for Blizzard Challenge 2021" Yanqing Liu, Zhihang Xu, Gang Wang, Kuan Chen, Bohan Li, Xu Tan, Jinzhu Li, Lei He, Sheng Zhao PDF
• "The IMS Toucan system for the Blizzard Challenge 2021" Florian Lux, Julia Koch, Antje Schweitzer, Ngoc Thang Vu PDF
• "The IOA-ThinkIT system for Blizzard Challenge 2021" Zengqiang Shang, Ziyi Chen, Haozhe Zhang, Pengyuan Zhang PDF
• "The SCUT Text-To-Speech System for the Blizzard Challenge 2021" Weiheng Liu, Yitao Yang, Jiangwei Li, Jinghui Zhong PDF
• "The SRCB-SL system for Blizzard Challenge 2021" Chunhui Lu, Xue Wen, Ruolan Liu, Xiaoyan Lou, Liming Song, June Sig Sung, Gunu Jho, Hyoungmin Park PDF
• "SUTD-NUS System for Blizzard Challenge 2021" Mingyang Zhang, Xuehao Zhou, Kun Zhou, Rui Liu, Perry Lam, Berrak Sisman, Haizhou Li PDF
• "The TAL Speech Synthesis System for Blizzard Challenge 2021" Shaotong Guo, Shuaiting Chen, Dao Zhou, Gang He, Changbin Chen PDF
• "Nana-HDR: A Non-attentive Non-autoregressive Hybrid Model for TTS" Shilun Lin, Wenchao Su, Li Meng, Fenglong Xie, Xinhui Li, Li Lu PDF
• "VRAIN-UPV MLLP’s system for the Blizzard Challenge 2021" Alejandro Pérez-González-de-Martos, Albert Sanchis and Alfons Juan PDF