vdongen@prlb24.prlb.philips.be (vdongen) (12/06/90)
******** LOOKING FOR INTEGER FFT ******************* I'm looking for extra fast implementations of FFT. We have a 256 point FFT for which we need a "dedicated routine". So cosines and sines are computed first and now we think that doing everything in integer might speed up even more (it's for real-time speech recognition and image processing). Are there any routines around that do that. We would prefer code in C if possible. We are also looking at radix 4 FFT, which we think will improve things. Any pointers would help (PS we have NAG and the IEEE DSP package) Best regards, Paul Van Dooren e-mail: pvandooren@prlb.philips.be Philips Research Laboratory Avenue Einstein 4 B-1348 Louvain-la-Neuve, Belgium Tel:+32 10 470658 Fax:+32 10 470699