Using version 5.x-1.3 -
I would like to offer audio upload for blog posts to only advanced users, so's not to confuse the node editing page for the cyber-shy among my users who would not be posting audio anyway. Denying permission for audio attachment to the authenticated users role, does not work - the upload interface still shows & works.
(I've denied audio_attach & audio functions other than download & play, but these users still have access despite this).