I desperately need something akin to Windows sound enhancement to shift pitch ;c

[BepBop]

Problem

I really need pitch shift to -1, because I have tinnitus and lower pitch makes it easier to listen to audio

Proposal

A small system wide audio equalizer + pitch shift would look nice

Prior Art

[jeremypw]

Some ideas of how this could be achieved are here: https://askubuntu.com/questions/43950/how-can-i-apply-a-ladspa-plugin-to-a-pulseaudio-stream