dorome
Newbie level 1
plzzzzzz help me i dont now what its wrong in my m file
/////////////////////////////////////////
[x,fs,n]=wavread('NoisySignal.wav');
figure(1)
plot(x)
Ts=1/fs;
y=fft(x);
y=Ts*fftshift
f=-fs/2:fs/length
figure(2)
plot(f,abs
x1=.4*(hardlim(f+3050))-.4*(hardlim(f+2950));
figure(3)
plot(f,x1)
x2=.4*(hardlim(f+950))-.4*(hardlim(f+1050));
figure(4)
plot(f,x2)
x3=.4*(hardlim(f-(950)))-.4*(hardlim(f-(1050)));
figure(5)
plot(f,x3)
x4=.4*(hardlim(f-(2950)))-.4*(hardlim(f-(3050)));
figure(6)
plot(f,x4)
e=x1+x2+x3+x4;
r=y';
z=r.*e;
figure(7)
plot(f,z)
yy=z-r;
yt=ifft(yy);
yt=ifftshift(yt);
f=-fs/2:fs/length
figure(8)
plot(f,yy)
sound(yt,f)
/////////////////////////////////////////
[x,fs,n]=wavread('NoisySignal.wav');
figure(1)
plot(x)
Ts=1/fs;
y=fft(x);
y=Ts*fftshift
f=-fs/2:fs/length
figure(2)
plot(f,abs
x1=.4*(hardlim(f+3050))-.4*(hardlim(f+2950));
figure(3)
plot(f,x1)
x2=.4*(hardlim(f+950))-.4*(hardlim(f+1050));
figure(4)
plot(f,x2)
x3=.4*(hardlim(f-(950)))-.4*(hardlim(f-(1050)));
figure(5)
plot(f,x3)
x4=.4*(hardlim(f-(2950)))-.4*(hardlim(f-(3050)));
figure(6)
plot(f,x4)
e=x1+x2+x3+x4;
r=y';
z=r.*e;
figure(7)
plot(f,z)
yy=z-r;
yt=ifft(yy);
yt=ifftshift(yt);
f=-fs/2:fs/length
figure(8)
plot(f,yy)
sound(yt,f)