Researches on echo kernels of audio digital watermarking technology based on echo hiding. - Xulai Cao; Linghua Zhang (WCSP, 2011)

A digital audio watermarking algorithm based on block encoding. - Linghua Zhang; Zhiyuan Huang; Xulai Cao (WCSP, 2011)

A new multi-channel loudness compensation method based on high frequency compression and shift for digital hearing aids. - Xulai Cao; Linghua Zhang; Wanzhen Gao (WCSP, 2013)