function?[out]=pcm_decode（inv）
%decode?the?input?pcm?code
n=length（in）;
in=reshape（in‘8n/8）;
slot（1）=0;
slot（2）=32;
slot（3）=64;
slot（4）=128;
slot（5）=256;
slot（6）=512;
slot（7）=1028;
slot（8）=2048;

step（1）=2;
step（2）=2
step（3）=4;
step（4）=8;
step（5）=16;
step（6）=32;
step（7）=64;
step（8）=128;

for?i=1:n/8
????ss=2*in（i1）-1;
????tmp=in（i2）*4+in（i3）*2+in（i4）+1;
????st=slot（tmp）;
????dt=（in（i5）*8+in（i6）*4+in（i7）*2+in（i8））*step（tmp）+0.5*step（tmp）;
????out（i）=ss*（st+dt）/4096*v;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????516??2009-04-10?20:32??PCM\pcm_decode.m

?????文件???????1331??2009-04-10?20:21??PCM\pcm_encode.m

?????文件???????1097??2009-04-10?19:50??PCM\u_a_law.m

?????目錄??????????0??2009-04-11?17:53??PCM

-----------?---------??----------?-----??----

?????????????????2944????????????????????4