A robust variable-rate speech coder. - Albert Shen; Benjamim Tang; Abeer Alwan; Greg Pottie (ICASSP, 1995)

Spectral analysis of subband filtered signals. - Benjamim Tang; Albert Shen; Gregory J. Pottie; Abeer Alwan (ICASSP, 1995)

A perceptually based embedded subband speech coder. - Benjamim Tang; Albert Shen; Abeer Alwan; Gregory J. Pottie (IEEE Trans. Speech Audio Process., 1997)