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A few weeks ago I wrote about a problem I have been having on my new MacBookPro. Whenever I would open VLC or Audacity, the Audio Output Format would change from the normal 44100.0 Hz to 96000.0 Hz. This would cause audio in Flash files to not work, especially in Flash Video files.

To check this, go to Applications > Utilities > Audio Midi Setup.

I have posted about this problem here, also pushing it to Digg, as well as posting numerous times on the Apple Discussion Boards, but to no avail. Upgrading to 10.4.7 didn’t seem to resolve the issue either.
Daryl Rosin commented in the post that he was able to remedy the problem by running Garage Band. It seems that by just opening the GarageBand application once, VLC no longer changes the Audio Output Format, which means that audio now works in Flash.

In addition to running Garage Band, I ran Disk Utility and verified permissions on the hard drive. That turned up some permissions issues with the Flash Player files that were repaired.

So apparently the combination of running Garage Band once, then repairing disk permissions on the Flash Player files has fixed the problem of the Audio Output Format being reset whenever 3rd party audio/video applications are run.

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This entry was posted on Monday, July 10th, 2006 at July 10,2006 @ 8:19 am and is filed under Apple. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.