Sound does not work after sleep

I'm really tired of this problem. Have a MBP Retina running the most current OS 10.8.4. Every few days or so when I wake the system (after having lid closed for a while, and Chrome browser running) sound does not come back on. So, if I am using youtube I can't hear anything. Only solution I've found is to restart the computer, which of course I don't want to do with browser tabs open, etc. etc.
Isn't there a simple solution to this, before Apple finally figures out what causes this glitch?

Finder
Close all windows and quit all applications.
Click "Go" menu in the Finder menubar.
Select Computer, t hen Macintosh HD > Library > Preferences
Open "Audio" folder.
Right click these two files and select "Move to Trash".
com.apple.audio.DevicesSettings.plist
com.apple.audio.SystemSettings.plist
Close the windows. Restart the computer.

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From: [email protected]
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Sound does not work after sleep

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