[PD] use LADSPA plugins under Mac OS X (pd-extended, plugin~)

Jamie Bullock jamie at postlude.co.uk
Sat Jun 13 15:38:10 CEST 2009

Hi Rua,

Have you tried using dssi~? It can host LADSPA and DSSI plugins as  
well as multiple instances of the same plugin. It's available in svn  
or (for ease of use) in the Pd-extended 'postlude' edition:




On 12 Jun 2009, at 20:35, Rua Haszard Morris wrote:

> Hi - I am trying to use LADSPA plugins within Pd and am having a  
> tough time... attached is an example patch I am trying to get to  
> work. It's simply a mono noise source through a comb filter. The  
> particular plugin is the SWH comb filter (http://plugin.org.uk/ladspa-swh/docs/ladspa-swh.html 
> ). The problem is I get no sound out of the output of plugin~.
> I am on Mac OS X 10.5.7 using 0.40.3-extended. (I have downloaded  
> 0.41.4 but am having some crash-on-launch problem with that so am  
> sticking with 0.40.3 for now).
> I have copied all my LADSPA plugins to the appropriate place, and  
> they are found and instantiated correctly by plugin~, info displays  
> correct info etc.
> Can someone give me some tips on how to use LADSPA plugins in Pd on  
> Mac OS X, or email me an example patch?
> Note that the case in particular that I care about is using Pd to  
> host sidechain compression (and other nonlinear routing things) - I  
> initially tried getting SWH SC3 (great sidechain compression!) to  
> work in Pd, and audio was passing through, but I couldn't produce  
> any compression, it seemed as though I had the parameter inputs set  
> up incorrectly. So if anyone can give me an example of how to do  
> this I'd _really_ appreciate it.
> Any tips, info, or clues would be greatly appreciated :)
> thanks
> Rua HM.
> --
> http://cartoonbeats.com
> http://haszaristwocents.blogspot.com
> http://myspace.com/haszari
> http://last.fm/music/Haszari
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