[PD] convolution weirdness

IOhannes m zmoelnig zmoelnig at iem.at
Tue Nov 21 10:22:27 CET 2006


Charles Henry wrote:
> The "weirdness" to which I was referring here was because rfft~
> didin't have a nyquist component of the signal.  So, the error was
> around .001 for regular tones and varied according to slight phase
> shifts, between 0 and 1 at the Nyquist frequency.  So, I switched to
> fft~ and ifft~ and the error dropped to 10^-8 (which is aprox. 1/24
> bits of precision).
> I am using Pd-extended-38.4.  Don't know if this has already been
> reported or fixed.  I'm lagging behind current releases :)

afaik, this has been reported and fixed.

mfg.asdr
IOhannes

> Chuck




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