[PD] fx chaining without glitch

[Lorenzo Sutton]

Or use the "magic" of [lop~] (which I really completely understood from 
Andy's book Designing Sound), and the approach suggested by hans.

Lorenzo.

On 21/10/2011 09:08, Andy Farnell wrote:
> Has anyone tried a VCS3 style crosspoint patch in Pd,
> but then replace the cross switches with quick crossfaders?
>
>
> On Fri, 21 Oct 2011 08:55:22 +0200
> Roman Haefeli<reduzent at gmail.com>  wrote:
>
>> Hi Pat
>>
>>
>> It's logical problem. You cannot have the signal path having both
>> possible orders at the same time. If you want to switch the order, you
>> need to re-create the path. This could be done by dynamically
>> disconnecting wires and re-creating them in the other order. However,
>> this causes recompilation of the DSP graph. Certainly you cannot do it
>> with [send~]/[receive~] pairs. There will alway one pair that introduces
>> a block size delay.
>>
>> They only idea I can come up with is not very scalable. You create both
>> possible paths in parallel and switch~ them on and off as needed.
>>
>> However, this only guarantees not to create any DSP hickups. Turning on
>> and off instantaneously causes some effects to create glitches
>> (non-continuous signal).
>>
>> Roman
>>
>>
>>
>> On Thu, 2011-10-20 at 21:44 -0400, patrick wrote:
>>> hi everyone,
>>>
>>> i would like to make a patch with multiple fx~ _but_ is it possible to
>>> chain the fx~ and change the order without a single glitch in the dsp.
>>> as an example:
>>>
>>> [adc~]
>>> |
>>> [reverb~]
>>> |
>>> [distortion~]
>>> |
>>> [dac~]
>>>
>>> now pressing a bang and automagically:
>>>
>>> [adc~]
>>> |
>>> [distortion~]
>>> |
>>> [reverb~]
>>> |
>>> [dac~]
>>>
>>> is it possible in pd?
>>> thanks,
>>> pat
>>>
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>>
>>
>>
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>