If someone else needed this, I made a simple Opus compression GUI to quickly preview on which bitrate encoded samples start sound crappy beyond very audible threshold: https://codeberg.org/archydragon/ohtoo
@archydragon linuxes just fine, other than the volume thingy looking a bit weird
@virtulis Thanks for testing; I didn't even touch "skin" configuration for Qt, it looked decent enough on Windows out of the box. But layout configurations in Qt Creator are, uhh, handled in interesting way, I won't be surprised if my attempts to nail these layouts down went south.