On Saturday 01 March 2014 07:27:53 Ralf Mardorf did opine:
Hi Jeremia :)
On Sat, 2014-03-01 at 07:49 +0100, user web210p1 wrote:
FFT is used as an example in the lecture so it
cannot be used, unless
there is a significant additional computation involved.
A less resource hungry JAMin would be nice, by keeping the sound quality
it has got now.
"JAMin uses FFT, so it's a quite CPU and memory hungry beast." -
http://jamin.sourceforge.net/en/reqs.html
I have read, but not tested on big iron, that the "butterfly transform"
gives compatible results with a lot less big iron to do it.
I fooled with it 20 years ago on a big box amiga, it worked, but I couldn't
compare to the same depth of FFT because I couldn't find free FFT that SAS
C-6.58 would build.
An example in a lecture isn't useful for any user.
I don't know if
significant additional computation is involved, but JAMin is important
and much used software, not just a theoretical University kindergarten
game, nobody ever would care about.
Regards,
Ralf
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