There are equalizer plugins which work in Audacity which work in real-time, e.g. …
https://forum.audacityteam.org/t/version-2-1-1-0-doesnt-remember-equalization/39205/5
There are equalizer plugins which work in Audacity which work in real-time, e.g. …
https://forum.audacityteam.org/t/version-2-1-1-0-doesnt-remember-equalization/39205/5