Linux: EasyEffects (free and open-source). Source: 6 months ago

For DSP, we already can do that using something like Easy Effects[1][2]. The biggest issue is acquiring proper impulse-response data. In theory, it has to be tuned per-model, so turning basically require pro-grade equipment and a recording studio. However, apparently many people assume Dolby is using the same profile for all laptops, so just copy-paste the same file here and there. Not really sure which is the... - Source: Hacker News / 7 months ago

- Easy Effects: Effects for PipeWire applications; configure your speakers & microphones (e.g. Noise reduction filter). Source: 9 months ago

EasyEffects could be a replacement for EqualizerAPO. You can do some gain staging there if you want, as well as a bunch of other stuff. Source: 12 months ago

However if you want a one size fits all audio processor like the proprietary systems there are those as well - check out EasyEffects for Pipewire - https://github.com/wwmm/easyeffects It's almost guaranteed to be in your distros repository as well. Source: about 1 year ago

Qjackctl will do that. It might be overkill for your purposes, it's more commonly used in multichannel audio production. Source: about 1 year ago

You need something like this? qjackcl. Source: almost 2 years ago

Make sure you have https://qjackctl.sourceforge.io/ installed, most likely available in your repo. Source: about 2 years ago

There are a number of GUI frontends for JACK, but I've personally used QjackCtl and Carla. Both do their job well enough. Source: about 2 years ago

Studio Controls + Carla, or Qjackctl (more on that later). Source: over 2 years ago