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is it necessary to take fourier transformation of a music signal before filtering or not?

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vatsal valecha
vatsal valecha on 28 Jan 2015
Closed: MATLAB Answer Bot on 20 Aug 2021
actually i want to try to filter an audio signal upto a desired frequency so can u tell me the procedure for the same and reasons for the same like if i have to take fourier transformation of that signal before using some specific filters.

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