1
vote
0answers
157 views

Sound muted in Firefox (MacBook Air OSX 10.8.5)

I am quite new to using Macs - so apologies if this is super trivial. When browsing Youtube / Vimeo all sounds are muted. I have checked that the sound is correctly set on the video player. This is ...
7
votes
2answers
4k views

Mute specific program

Is there any way to mute a specific program? I want to be able to mute Firefox.
3
votes
1answer
322 views

How to disable sound when switching Firefox tabs with ⌘1-⌘9

I use the keyboard shortcut ⌘1-⌘9 to switch to tabs in Firefox. In OS X every time I do this there's a sound, which can become annoying when the volume is turned up. I looked in about:config for ...