SUGGESTION: Split "Mute" hotkey into "Mute sound" and "Mute music"
This is a Blizzard standard (per default on CTRL+S and CTRL+M) I got very much used to and I find invaluable, I'd like to propose adding the same.
Note that the current "Mute" hotkey doesn't work in the menu, which is where I would need it the most.
SUGGESTION: Missing Volume slider for Voices
As much as I got used to the voices, I would like to have an option to turn them off, or turn them down.
SUGGESTION: Add "Play in Background" option to audio settings
Add an option to mute audio when the game is minimized/not in focus.
BUG: Hotkey "Mute" is not "onClick" but "onPress"
If you hold the hotkey down it repeatedly toggles between audio off and audio on, instead of toggling with each press&release/click, clearly an oversight.