I Have noticed that In all editions of LibreOffice and OpenOffice that you Can't use the Volume up, down, or mute buttons that come on keyboard and laptops. It would be nice to have those buttons working. I have seen this with different keyboards ranging from cheep Gateway to $100 Logitech keyboards.
Thanks Darrall, but we already have one.
Please feel free to reopen this issue if you have separate bug here.
*** This bug has been marked as a duplicate of bug 32664 ***