[PD] Fwd: finding the cause of clicks when using sssad WAS: saving state of a patch
Phil Stone
pkstone at ucdavis.edu
Wed Jul 23 17:37:27 CEST 2008
Hi Si,
The problem Hans and I were discussing relates to storing/loading sssad
presets to/from disk. Again, it's not sssad's problem; it's a general
issue with Pd. When the dsp service is delayed by long file accesses,
dropouts happen.
That said, it's important to design sssad-using abstractions so that
preset-changing doesn't cause discontinuities as well. For instance,
use [line~] lags for changing parameters to smooth out the jump. It's
certainly possible to "flick btween presets very quickly" with
sssad-using abstractions; I do it all the time with [polywavesynth].
Phil Stone
pkstonemusic.com
Si Mills wrote:
> I hope im not misunderstanding, but doesn't the s-abstraction way of
> using 'datastore' to change presets eliminate dropouts - Why is there
> a need for a ram disk? I mean is there a lag between hitting the giant
> message box and updating all the abstractions?
>
> I was inspired the other day by a Max discussion on the pattr object,
> which is used for state saving. This in turn can be used from
> arranging pieces to to creating very nice random instruments that
> flick between presets very quickly...
>
> Is this a problem for sssad at the moment?
>
>
>> On 23 Jul 2008, at 15:24, Hans-Christoph Steiner wrote:
>>
>>
>>> On Jul 22, 2008, at 2:31 AM, Enrique Erne wrote:
>>>
>>>
>>>> Phil Stone wrote:
>>>>
>>>>> Hi Atte,
>>>>>
>>>>> Now that you're on your way with sssad, there's a nice trick you
>>>>> should
>>>>> know. If you find that loading a preset causes dropouts, consider
>>>>> using
>>>>> a ram disk to hold your presets during performance. This solved
>>>>> all my
>>>>> dropout problems, and it's easy to do (I can post a script for OS
>>>>> X if
>>>>> anyone wants it).
>>>>>
>>> The ramdisk thing is definitely handy, I just hope that sssad can be
>>> tweaked to work without causing dropouts. Any ideas what the cause
>>> is?
>>>
>>> .hc
>>>
>>>
>>> ------------------------------------------------------------------------
>>> ----
>>>
>>> Looking at things from a more basic level, you can come up with a
>>> more direct solution... It may sound small in theory, but it in
>>> practice, it can change entire economies. - Amy Smith
>>>
>>>
>>>
>>> _______________________________________________
>>> Pd-list at iem.at mailing list
>>> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
>>>
>
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
>
>
More information about the Pd-list
mailing list