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Jan 4th, 2018
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  1. >> [y, Fs] = audioread('M1 - 1.wav');
  2. >> X = fft(y);
  3. >> X = X(1:length(y)/2+1);
  4. >> freq = 0:Fs/length(y):Fs/2;
  5. >> plot(freq,abs(X))
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