FFT Example for J2me

Question

Anybody can please provide me example or tutorial of FFT(Fast Fourier Transformation) for fetching audio frequency.

Possible duplicate: http://stackoverflow.com/questions/4364823/how-to-get-frequency-from-fft-result — Denis Tulskiy, Jun 22 '11 at 11:12

score 3 · Accepted Answer · answered Jun 24 '11 at 04:59

3

splMeter has used FFT for fetchine audio frequency.

answered Jun 24 '11 at 04:59

Nirav

score 0 · Answer 2 · edited Oct 12 '11 at 15:49

0

You could use my functions:

They are quite portable, and even if I've not tested them with j2me they SHOULD do the trick anyway.

edited Oct 12 '11 at 15:49

gnat

answered Oct 12 '11 at 14:39

alcor

your functions use `Math sin/cos` are you aware that these are not available in J2ME CLDC? – gnat Oct 12 '11 at 15:39
I see. Also, iirc ([your page](http://www.wikijava.org/wiki/The_Fast_Fourier_Transform_in_Java_%28part_1%29) seems suspended now) your functions use double - are you aware that CLDC 1.0 does not support double? – gnat Oct 21 '11 at 18:14
(yes, we're having some problem with host).I'm really sorry, but as I said before "I've not tested them with j2me". – alcor Oct 25 '11 at 08:19

2 Answers2