[PD] fft on pd.. does it have a sync signal?
Jamie Bullock
jamie at postlude.co.uk
Mon Aug 15 23:58:27 CEST 2005
Hi Jose,
Isn't a Cepstrum (real or complex) just the fft of the log of an fft
(real or complex)? Can't you do this with just (r)fft~ and log~, or am I
misunderstanding what you are trying to do?
Jamie
On Mon, 2005-08-15 at 16:00 -0300, José Henrique Padovani wrote:
> Hi,
> I'm working on a real-time cepstrum patch... was using Max/MSP on my
> University but now I've decided to use PD. So there are small diferences
> that I'm trying to understand. Max/MSP's fftin~ object has a sync signal
> that is very usefull to do crossover patches, for example... It makes a
> signal ramp that goes from 0 to 1 when it computes 0 to N-1 from the fft
> frame... Now I'm trying to use the same system with a phasor~ in the pd
> sub- patch where is the block-size but it didn't worked.... If anyone
> has a simple fft-based corossover patch it would help.
> Thanks,
> Z.
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