https://docs.scipy.org/doc/scipy/reference/tutorial/io.html

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SciPy is a great tool for reading certain kinds of files into Python or passing SciPy/NumPy variables into a program such as MATLAB. 

File IO with SciPy

File IO with SciPy Documentation

Some helpful MATLAB functions in the scipy.io package include:

-loadmat(file_name`[`, mdict, appendmat]) Load MATLAB file

-savemat(file_name, mdict`[`, appendmat, …]) Save a dictionary of names and arrays into a MATLAB-style .mat file

-whosmat(file_name`[`, appendmat]) List variables inside a MATLAB file

MATLAB Files

Within the scipy.io package, there is the scipy.io.wavefile module. Use this when dealing with WAV files. It includes these helpful functions:

-read(filename`[`, mmap`]`) Open a WAV file

-writefilename, rate, data) Write a NumPy array as a WAV file.

These objects let us access the data within each WAV file. This data can be edited and then rewritten to create a new, different-sounding WAV file.

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