Using module-ladspa-sink - what LADSPA plugin exactly do I need to install?

Doron Behar doron.behar at gmail.com
Sun Jun 9 09:06:19 UTC 2024


Thanks Sergei for both suggestions :) I missed the easyeffects package
while browsing the packages distributed by my distribution.

Thanks again <3.

On Sun, Jun 09, 2024 at 11:46:43AM +0300, Sergei Steshenko wrote:
> Doron,
> 
> if you need an equalizer which is not necessarily a LADSPA plugin, have a
> look at https://github.com/wwmm/easyeffects/blob/master/README.md . There is
> a version of EasyEffects not only for PipeWire, but for PulseAudio too, it
> is called PulseEffects.
> https://flathub.org/apps/com.github.wwmm.pulseeffects probably would be a
> good start.
> 
> --Sergei.
> 
> On 09/06/2024 1:07, Doron Behar wrote:
> > Sorry for the late reply :) (I'm not used to mailing lists)
> > 
> > On Mon, Jun 03, 2024 at 09:19:50PM -0700, Sean Greenslade wrote:
> > > On Mon, Jun 03, 2024 at 06:17:59PM +0300, Doron Behar wrote:
> > > > I found this program I'd like to use:
> > > > 
> > > > https://github.com/pulseaudio-equalizer-ladspa/equalizer
> > > > 
> > > > I managed to compile and run it, but I don't hear it makes a difference
> > > > in the sound. Do I need to enable the `module-ladspa-sink` module? Link:
> > > > 
> > > > https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules/#module-ladspa-sink
> > > > 
> > > > What makes it difficult for me to figure this out myself, is the
> > > > [LADSPA](http://www.ladspa.org/) link, which seems to general, because
> > > > this group develop many projects, or which I'm not sure which I should
> > > > compile as a pulseaudio plugin (some of which are available in my
> > > > distribution.
> > > > 
> > > > Thanks for any help in advance.
> > > What distro of Linux are you running?
> > > 
> > > Eyeballing the Arch package for this equalizer, it looks like it needs
> > > the swh-plugins package for the actual LADSPA plugin itself. It might be
> > > named differently on your distro.
> > So I'm using NixOS and our `ladspaPlugins` package distributes the files
> > distributed by Arch Linux' `swh-plugins` package.
> > 
> > > You shouldn't need to manually load any modules in pulse; this equalizer
> > > script seems to do all the module loading automagically.
> > OK, sounds promising. I'm still a bit confused how it won't output any
> > error if it doesn't find these plugins at all. Perhaps I'll continue to
> > discuss this with upstream at:
> > 
> > https://github.com/pulseaudio-equalizer-ladspa/equalizer/issues/58
> > 
> > I will reply again to this thread if I'll learn something new after
> > discussing there.
> > 
> > Thanks anyway.


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