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Altera_Forum
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10 years ago

The need there I sjould use FFT instead of FIR (convolution)

Hi all! For me is very interesting can I use FFT for filtering purposes or I should only use FIR convolution? And if FFT is useful in that case, there is a boundary between it and for for ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

fft inside fpga (followed by ifft) is very costly in fpga for filter design. It is an option for software dsp