[PD] howto gain finer resolutions of message/audio interaction?

Miller Puckette mpuckett at man104-1.ucsd.edu
Sun Aug 10 20:18:28 CEST 2003

See also the "vline~" object (starting in Pd 0.37) shown in
... this can give either sample or linearly-interpolated  sub-sample accuracy.
A description is in chapter 3 of my "book":


On Sun, Aug 10, 2003 at 07:41:11PM +0200, errorsmith wrote:
> Hello,
> I am a pd newbie. I just read the manual with great interest. I worked much
> with reaktor so I am very interested in the differences between pd and
> reaktor.
> One difference is the time accuracy of the message processing. In reaktor
> messages (called events) have a time resolution of one sample instead of 64
> in pd.
> I read in the manual under 2.4.4: "You may wish to use block sizes smaller
> than 64 to gain finer resolutions of message/audio interaction, .. "
> I tried that without success. I started from the the following audio
> example: "73.control.blocksize.pd". I added a metro object in the subpatch
> where the blocksize is reduced to one sample (block~ 1). The output of the
> metro is triggering an envelope with a short spike. Unlike the delaytime of
> the feedback delay in the example patch the time gap between two spikes
> cannot be set below 64 samples. I attached the file. I am using pd 0.36-0
> under winxp.
> Maybe I am doing something wrong? Maybe there is an other solution to that.
> thank you and regards,
> erik

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