I have to write some simple examples in Matlab which use spectral subtraction. These examples will be included in a paper to help a friend understand spectral subtraction. But I don't know where to start with spectral subtraction ? Please, explain the technique and maybe give me some tips for what can I do with this method in Matlab. Some snippets of code would be very useful for me as I am not an expert in Matlab.

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    $\begingroup$ Please search this site and the internet. A LOT has been written about spectral subtraction and it's not useful to repeat everything. As a start, have a look at this answer. $\endgroup$ – Matt L. May 27 '15 at 9:04