quantization
代码说明：
语音信号的量化程序，直接量化，μ律压缩，A律压缩(quantization of voice signal, μ-law compress and A-law compress)
文件列表：
新建文件夹
..........\Alawcompress.asv,332,2011-12-09
..........\Alawcompress.m,283,2011-12-09
..........\Alawexpand.asv,279,2011-12-09
..........\Alawexpand.m,300,2011-12-09
..........\caculate_error.asv,166,2011-12-15
..........\caculate_error.m,163,2011-12-15
..........\main.asv,3080,2011-12-24
..........\main.m,3080,2011-12-24
..........\quantize.asv,410,2011-12-16
..........\quantize.m,408,2011-12-16
..........\timedomain.fig,439897,2011-12-07
..........\ulawcompress.asv,214,2011-12-09
..........\ulawcompress.m,264,2011-12-09
..........\ulawexpand.asv,245,2011-12-09
..........\ulawexpand.m,264,2011-12-09
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