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<br/>Gene Heskett <gheskett@wdtv.com> hat am 1. März 2014 um 13:32 geschrieben:
<br/>> On Saturday 01 March 2014 07:27:53 Ralf Mardorf did opine:
<br/>>
<br/>> > Hi Jeremia :)
<br/>> >
<br/>> > On Sat, 2014-03-01 at 07:49 +0100, user web210p1 wrote:
<br/>> > > FFT is used as an example in the lecture so it cannot be used, unless
<br/>> > > there is a significant additional computation involved.
<br/>> >
<br/>> > A less resource hungry JAMin would be nice, by keeping the sound quality
<br/>> > it has got now.
<br/>> >
<br/>> > "JAMin uses FFT, so it's a quite CPU and memory hungry beast." -
<br/>> > http://jamin.sourceforge.net/en/reqs.html
<br/>>
<br/>> I have read, but not tested on big iron, that the "butterfly transform"
<br/>> gives compatible results with a lot less big iron to do it.
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After a quick search, I have the impression that "butterfly transform" is exactly what turns DFT into FFT. Does anybody know some detail whether that's actually the case?
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