lowpass2.asv

语音信号子带编码源程序

function y=lowpass(wc1,n)
f=0:0.01:1;
[m1,n1]=size(f)
a=zeros(1,n1);
for i=1:floor(wc1/0.01)
    a(i)=1;
end
a(i)=0.01;
b=fir2(n,f,a),c=[1];
response(b,c,128);
y=filter(b,c,)