Using variable argument in [delwrite~] object?

Reply to Using variable argument in [delwrite~] object? on Sat, 09 Jun 2018 09:16:44 GMT

Ben Bishop — Sat, 09 Jun 2018 09:16:44 GMT

Hi,

I'm still fairly new to Puredata and have the impression that my question is a quite basic one. Strangely, I couldn't find anything relevant on the web.

In my patch I currently use a delayline, given by [delwrite~ delayname 2.87] and the corresponding [delread~ delayname 2.87] object. For my project however it is necessary to alter the delay times of the two objects from time to time. Currently I manually edit the two(!) numbers every time I want to assign to them a new value.

Is there a way to use a kind of variable as the argument for the two objects (which can easily be reassigned?)

Thank you so much for your help

Reply to Using variable argument in [delwrite~] object? on Sat, 09 Jun 2018 10:07:57 GMT

whale-av — Sat, 09 Jun 2018 10:07:57 GMT

@Ben-Bishop For [delwrite~] you cannot. You would have to create it again, and would lose its contents instantly, plus you would have to re-connect it.
It is best to set [delwrite~] with the maximum delay you are likely to need. It writes to ram, and as that is the only constraint you should have no problem setting a large "buffer" (delay line) nowadays.
[delread~] you can change on the fly, by simply sending a float (delay time in mSecs) to its input.
David.

Reply to Using variable argument in [delwrite~] object? on Sat, 09 Jun 2018 10:09:01 GMT

ingox — Sat, 09 Jun 2018 10:09:01 GMT

@Ben-Bishop For [delread~] it is in the help patch: Simply send a number to set the delay time.

Reply to Using variable argument in [delwrite~] object? on Sat, 09 Jun 2018 10:24:00 GMT

Delta Sign — Sat, 09 Jun 2018 10:24:00 GMT

Yeah, like the others said, the [delwrite~] argument only sets the maximun delay time. You can change the actual delay time with the inlet on the [delread~] object.

The [phasor~] only changes the delay time from 100 to 1000 in this example, so it would be enough to set the [delwrite~] argument to 1000, because that's the highest the delay time is ever going to get, but I set it a little bit higher because it doesn't really matter on modern computers anyway and it's nice to have a bit of wiggle room.

Reply to Using variable argument in [delwrite~] object? on Sat, 09 Jun 2018 11:53:47 GMT

Ben Bishop — Sat, 09 Jun 2018 11:53:47 GMT

OK, that settles everything. Thanks for the quick responses!

Fabio