If the volume slider for an app isn't working, try looking in More Apps for entries like Some App (Helper). For some meeting or video chat apps, you may need to do this to change the current meeting volume. Known issues and solutions. Setting an application's volume above 50% can cause clipping. .Subject to Apple Volume Purchase Program terms and conditions. Note: Apple reserves the right to determine eligibility. Volume Purchase Program (United States).

• Control Individual App Volume Mac
• Other Volumes Mac
• Control Individual App Volume Mac

Control Individual App Volume Mac

One of the few problems that Mac OS X Lion has is that you cannot control the volume of each application separately. A new Mac app called SoundBunny from Prosoft Engineering aims to solve this problem, giving you total control of the volume, app by app.

Other Volumes Mac

Control Individual App Volume Mac

If you want to be listening to YouTube more than you want to be listening to any other sound your Mac makes, or if you’re recording or podcasting, and don’t need to hear the various beeps and pings that many programs make from time to time, you can temporarily (or permanently) adjust the volume by muting the offending apps.

This is a pretty awesome little app. What’s more, it’s only $9.99, and you can test drive it for 30 days before you purchase. My advice, however, is that it’s well worth the $10.