A layered code-excited linear prediction (CELP) encoder, an Adaptive Multirate Wideband (AMR-WB) encoder and methods of CELP encoding and decoding. In one embodiment, the encoder includes: (1) a core layer subencoder and (2) at least one enhancement layer subencoder, at least one of the core layer subencoder...http://www.google.fr/patents/US8160872?utm_source=gb-gplus-shareBrevet US8160872 - Method and apparatus for layered code-excited linear prediction speech utilizing linear prediction excitation corresponding to optimal gains
Method and apparatus for layered code-excited linear prediction speech ...
