Tomohiko Taniguchi, Mark Johnson, Yasuji Ohta. Pitch sharpening for perceptually improved CELP, and the sparse-delta codebook for reduced computation. In 1991 International Conference on Acoustics, Speech, and Signal Processing, ICASSP '91, Toronto, Ontario, Canada, May 14-17, 1991. pages 241-244, IEEE Computer Society, 1991. [doi]
Abstract is missing.