How to plot a wav file

Question

I have just read a wav file with scipy and now I want to make the plot of the file using matplotlib, on the \"y scale\" I want to see the aplitude and over the \"x scale\" I

Answer 1

Just an observation (I cannot add comment).

You will receive the following mesage:

DeprecationWarning: Numeric-style type codes are deprecated and will resultin an error in the future.

Do not use np.fromstring with binaries. Instead of signal = np.fromstring(signal, 'Int16'), it's preferred to use signal = np.frombuffer(signal, dtype='int16').