recording real sound data from microphone into matlab
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Ns=2^17;
Fs=44100;%in Hz
y=wavrecord(Ns,Fs,1,'double');
filename ='cdct.wav';
wavwrite(y,Fs,filename);
n=length(y);
t=(0:(n-1))*Ns/n;
plot(y)
xlabel('time in(sec)')
ylabel('amplitude')
titel('amp vs time')
my questions are:
1. I used this code to record the sound data ,but I fail to determine
its fundamental frequency
2.how can add a code for filtering during recording
any help!10Q
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