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Max2Play Home › Forums › Max2Play as Squeezebox (Player / Server) › LADSPA lowpass filter
Hello,
I am trying to use the Justboom Amp Zero as crossover. Therefore I have to route the signal of one stereo-channel to both amp-channels. This is working fine by adding the following to my asound.conf:
pcm.mono {
type plug
slave {
# pcm "lowpass"
pcm "dshare"
channels 2
}
ttable.0.0 0.5
ttable.1.0 0
ttable.0.1 0.5
ttable.1.1 0
}
Then, in the max2play-Menu I choose mono as soundcard in the extended settings of squeezelite.
The problem comes up, when I want to add an additional lowpass filter, for example by adding:
pcm.pluglp {
type ladspa
slave.pcm "dshare";
path "/usr/lib/ladspa"
plugins[
{
label lpf
id 1041
input {
controls [ 150 ]
}
}
]
}
When choosing pluglp as soundcard, squeezelite won’t start.
(Of course I want to daisychain mono and pluglp in the end)
Is there anybody, who might have an idea how to solve my problem? I have been trying to figure out this for days…
Hi Silax,
You can use our Lowpass filter integration and its structure as model for yours (reuse and replace our pcm with yours). Just click „install“ in the last paragraph of our Audioplayer plugin and it is installed. You can also check out our github for more details.
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