A novel two-step SVM classifier for voiced/unvoiced/silence classification of speech. - Fengyan Qi; Changchun Bao; Yan Liu (ISCSLP, 2004)

A Low-complexity Improved WI Speech Coding at 2kbps. - Fengyan Qi; Changchun Bao (ISCSLP, 2006)

Emerging ITU-T standard G.711.0 - lossless compression of G.711 pulse code modulation. - Noboru Harada; Yutaka Kamamoto; Takehiro Moriya; Yusuke Hiwasaki; Michael A. Ramalho; Lorin Netsch; Jacek Stachurski; Lei Miao 004; Hervé Taddei; Fengyan Qi (ICASSP, 2010)