應用動態、靜待辭典以加速鍵盤輸入中文之方法 (A Dynamic-and Static-Dictionaries Based Method for Accelerating Chinese-Character Inputting with Keyboard) [In Chinese]. - Hung-Yan Gu; Chung-Chieh Yang (ROCLING (1), 1998)

A Sentence-Pitch-Contour Generation Method Using VQ/HMM for Mandarin Text-to-speech. - Hung-Yan Gu; Chung-Chieh Yang (ISCSLP, 2000)

An HMM Based Pitch-Contour Generation Method for Mandarin Speech Synthesis. - Hung-Yan Gu; Chung-Chieh Yang (J. Inf. Sci. Eng., 2011)