Questions tagged [overlap-save]

Efficient way to evaluate the discrete convolution of a very long signal with a finite impulse response (FIR) filter. The concept is to divide the problem into multiple convolutions of the impulse response of FIR filter with short segments of the very long signal.

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Fast overlap save method [closed]

If x[n]= (some values), h[n]=(some values). Now suppose length of h[n] is a multiple of two....
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How to detect a long signal inside an even longer one?

I'm trying to detect a long pattern inside a long recorded audio. In order to do so I am implementing a matched filter in time by performing a FIR filtering using the coefficients of my pattern ...