Wideband re-synthesis of narrowband CELP-coded speech using multiband excitation model. - Cheung-Fat Chan; Wai-Kwong Hui (ICSLP, 1996)

Quality enhancement of narrowband CELP-coded speech via wideband harmonic re-synthesis. - Cheung-Fat Chan; Wai-Kwong Hui (ICASSP, 1997)