FFT of .Wav file

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Ryan Moore
Ryan Moore 2016-3-14
回答： Walter Roberson 2016-3-14
Hello, I am trying to compare recordings of a piano I have. I wish to do an FFT of a .wav file to generate plots of the frequency response but have no idea how to do so. Can anybody help?

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Walter Roberson
Walter Roberson 2016-3-14
http://www.mathworks.com/help/matlab/ref/audioread.html and fft()
However, you probably do not care about the long-term frequency of the sounds; you probably want to do short-time fourier transform; for that see http://www.mathworks.com/help/signal/ref/spectrogram.html

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