A Discrete-cepstrum Based Spectrum-envelope Estimation Scheme and Its Example Application of Voice Transformation Hung-Yan Gu author Sung-Feng Tsai author 2009-12 text International Journal of Computational Linguistics & Chinese Language Processing, Volume 14, Number 4, December 2009 Yuen-Hsien Tseng editor Kuang-Hua Chen editor conference publication gu-tsai-2009-discrete https://aclanthology.org/O09-6002/ 2009-12