arcane at arcanemethods.com
Sun Mar 14 15:34:15 EST 2004
> Does anyone knows how fast impulse responce using FFT works ?
> And does it have any disadvanteges in compare to normal impulse responce ?
> I want to use it for calculating a 3d echo.
I take it you are talking about applying an impulse response
to a data stream. In that case, fast convolution with the
FFT using either overlapp add or overlap save will be much
faster than the direct approach for IR's as long as needed
for 3D echo's. The drawback is latency for the FFT.
"Things should be described as simply as possible, but no
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