New (many topics) audio filtering

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4

From this, I think we can discount the possibility that containerization is causing Easy Effects to be unable to access system files that are necessary.
That being the case, you can choose which package format you prefer.

I have never used Easy Effects. This means I am not very familiar with how to use it, either.
I did do some net searches and found some interesting things:

That thread suggests that Easy Effects prefers PipeWire over Pulseaudio. Now, as an End User, I can certainly understand this. But from the over-all picture, it does seem a bit odd to me.
Either way, it suggests installing pipewire-pulse.

Installing it requires installing Pipewire so the logical approach is to just do that.
Zorin OS 17:

Zorin OS 16: