[PD] rjdj, was : Re: [equalizer] / [lowshelf] / [highshelf] in purepd!

[cyrille henry]

Frank Barknecht a écrit :
> Hallo,
> volker b?hm hat gesagt: // volker b?hm wrote:
> 
>> thanks for posting this.
>> for certain freqs i hear a noticeable periodic "zipping" in the sound  
>> (try 230 hz e.g.).
> 
> Hm, I don't hear it, but that may be my ears.
don't hear it also.

> 
>> since the algorithm is based on the sinc function (sin(x)/x), i wonder 
>> how pd handles divide by zero in the signal domain. wouldn't you have to 
>> check for that in the code/patch?
> 
> A [/~] with no signal in the right inlet in Pd gives 0 as output.
> In saw~.pd x never becomes zero, it's always at least 1.8955. :)
yep
c

> 
> Ciao