Improving prosodic phrasing of Vietnamese text-to-speech systems Phuong Pham Ngoc author Chung Tran Quang author Quang Minh Nguyen author Quoc Truong Do author 2020-12 text Proceedings of the 7th International Workshop on Vietnamese Language and Speech Processing Huyen T M Nguyen editor Xuan-Son Vu editor Chi Mai Luong editor Association for Computational Lingustics Hanoi, Vietnam conference publication ngoc-etal-2020-improving https://aclanthology.org/2020.vlsp-1.4/ 2020-12 19 23