Abstract:An improved method is presented on the base of the study for the discrete-amplitude multi-resolution speech coding. New coding format is adopted through statistical analysis for signal amplitude. Then the indented adapting bit allocation is employed. Theoretical analysis and experimental results show that improved coding method can farther reduce the coding rate maintaining the same speech quality.
向娟娟; 姚天任; 孙洪; 卢伟. 基于自适应比特分配的DAM声码器[J]. 电子与信息学报, 2003, 25(2): 218-223 .
Xiang Juanjuan; Yao Tianren; Sun Hong; Lu Wei. An improved dam vocoder based on adapting BIT allocation. , 2003, 25(2): 218-223 .