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CELP speech coding with almost no codebook search
Proceedings of ICASSP '94. IEEE International Conference on Acoustics, Speech and Signal Processing
In analysis-by-synthesis speech coders the computational complexity of the search for an optimum innovation is dill high although transformations were proposed to decrease the complexiv. This limits practical codebook sizes and vector dimensions (block lengths). In this contribution two new structuredfreqruency domain codebooks are proposed, The first one i s a pulse shaped codebook with a reversed search order for the gain and the shape, the second one is a unity magnitude codebook with
doi:10.1109/icassp.1994.389706
dblp:conf/icassp/Gerlach94
fatcat:lxzitiycxjgtledpixnzmt772y