Customize quality tag presets

[SinusStudios]

Hi, i'd like to know if it's possible to change the default presets for the quality tag (Tags 2 page) as i generally use this field to store the source of a sound file (e.g. Download, CD Rip, FLAC Conversion...) to be able to track qualitys of sound files better and to get a better quality sound file later on when i can't get it at the moment.
At the moment i always type all that info out myself every time but i could speed up a lot of my workflow if i could edit the offered presets "High", "Medium", "Poor" etc.
I haven't found any file nor setting that could allow me to do this, and it might be impossible. Maybe a language file tweak could help?

[Bee-liever]

I don't know of any way to edit the list of settings for the Quality tag but an alternative would be to use the pre-loaded custom tag "Media Type" (ID3v2 TMED see here)
It's designed for that info.

[SinusStudios]

Thanks for the info, i'll look into that =)