Multirate sub-band coding applied to digital speech interpolation. - Jeffrey H. Derby; Claude Galand (ICASSP, 1985)

Multirate subband coding applied to digital speech interpolation. - Jeffrey H. Derby; Claude Galand (IEEE Trans. Acoust. Speech Signal Process., 1987)

An echo cancellation algorithm for operation with a digital speech coder in a single signal processor. - Guy Roulier; Claude Galand (ICASSP, 1988)