3. Write a MATLAB program to analyze a speech file and simultaneously, on a single
page, plot the following measurements:
(a) The entire speech waveform
(b) The short-time energy, En
(c) The short-time magnitude, Mn
(d) The short-time zero-crossing, Zn
Use both the speech waveforms in the files s5.wav and should.wav to test your
program. Choose appropriate window sizes, window shifts, and window for the
analysis. Explain your choice of these parameters. (Dont forget to normalize your
short-time zero crossing analysis depending on the sampling rate of the speech signal
in each file).