wanted code for finding STFT and plotting pitch flow or pitch contour.

i have audio signal in .wav format. want to find its short time fourier transform analysis and track the pitch of signal and plot its contour. pls anybody can help?

Answer 1

[Frank Richter]

try

http://www.mathworks.com/matlabcentral/fileexchange/45197-short-time-fourier-transformation--stft--with-matlab-implementation

"Short-Time Fourier Transformation (STFT) with Matlab Implementation" by Hristo Zhivomirov