[PD] Buffer Type Question

Stefan Turner stefan_turner at yahoo.co.uk
Sat Jul 24 18:06:36 CEST 2004

I think what Chris meant (correct me if wrong) was
freezing a delay line so that the read and write
pointers stay as they are and nothing new is written:
then for example a vd~ on a frozen delay line with
delay going from 1sec to 0sec over 1sec would have the
same effect as delread~ on unfrozen delay line with
delay of 1sec. This can sort of be done using a normal
buffer instead, but it would be nice to just be able
to send a 'freeze' (or whatever) message to a
delwrite~ instead.

Rather than making a new external to do this, how
difficult would it be to add this functionality to
delay lines as they are? If they are circular buffers,
surely it is just a case of freezing the pointers...?
Just an idea anyways.


Message: 4
Date: Fri, 23 Jul 2004 09:54:24 +0200
From: IOhannes m zmoelnig <zmoelnig at iem.at>
To: chris tyrrell <shaper_mechanist at yahoo.co.uk>
CC: pd-list at iem.at
Subject: Re: [PD] Buffer Type Question

chris tyrrell wrote:
> yeah i understand the whole delwrite~ delread~
> i even tried implementations of the same idea using
> them, the problem i find with the whole delay idea
> that the delay is a constant flow of information but
> with no memory content, i cant pause a delay (or can
> i?), i kind of figured the whole audio block rate
depends on what you mean by "pause": what should a
2000ms delay do when 
paused for 10secs ? delay for 12secs ? (then it is no
2000ms delay any 
more); stay quiet for 10secs and afterwards delay
2000ms again ? 
very easy to do)

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