A triple-layer steganography scheme for low bit-rate speech streams. - Shufan Yan; Guangming Tang; Yifeng Sun; Zhanzhan Gao; Liuqing Shen (Multim. Tools Appl., 2015)

Incorporating data hiding into G.729 speech codec. - Shufan Yan; Guangming Tang; Yanling Chen (Multim. Tools Appl., 2016)