[PD] Fast line~s

sme marius.schebella at chello.at
Sat Mar 9 15:15:56 CET 2002


hi,
i think this is, because the delay-object cannot go below a vectorsize of
64. the block~ 1 does not seem to change this...
marius

----- Original Message -----
From: "Frank Barknecht" <barknech at ph-cip.uni-koeln.de>
To: "pd-list" <pd-list at iem.kug.ac.at>
Sent: Saturday, March 09, 2002 1:33 PM
Subject: [PD] Fast line~s


> Hi,
>
> coming back to my lineseg~ patch from last week, I have found a small
> problem with very fast line~ segments. Say I want to make a lineseg~ that
> goes from 0 to 1 in less than 1.5 msec, this is not possible, because
> there seems to be a minimum ramp duration in line~ of about 1.4 msec, a
> limit found by computing "blocksize * 1/samplerate":
>
> 64 * 1/44100 = 0.0014512472
>
> Now I tried to reduce the blocksize inside my lineseg~ patch with [block~
> 1], but I still can't get ramp durations of less than 0.00145 seconds. I
> checked this with tabwrite~ing the output to an array and giving the
> lineseg these three value/ramp pairs
>
>  0 0, 1 1.4, 0.5 100
>
> That should go from 0 to 1 to 0.5 but it goes from 0 to 0.5 omitting the
> 1 unless I cange the 1.4 to 1.5.
>
> Is this expected, or how could I get faster ramps? Or are these
unnecessary
> anyway?
>
> kind regards,
> --
>                                                  __    __
>  Frank Barknecht       ____ ______   ____ __ trip\ \  / /wire ______
>                       / __// __  /__/ __// // __  \ \/ /  __ \\  ___\
>                      / /  / ____/  / /  / // ____// /\ \\  ___\\____ \
>                     /_/  /_____/  /_/  /_//_____// /  \ \\_____\\_____\
>                                                 /_/    \_\
>





More information about the Pd-list mailing list