A sub-band MPLPC coder for high quality speech coding at 16 kbit/s. - Radwan Kastantin; Gang Feng 002 (EUROSPEECH, 1993)

Speech coding based on the discrete-time wavelet transform and human auditory system properties. - Dan Stefanoiu; Radwan Kastantin; Gang Feng 002 (EUROSPEECH, 1995)