Strange audio problems

For about a week now I've been have a very, very peculiar problem. Putting it as simple as I can, while watching videos online (in a browser of any sort) the audio turns off then immediately turns back on, the audio symbol in the top right of the screen turns gray then black then grey then black a couple of times. As far as I know this only occurs when I watch videos online, it doesn't make a difference if I have speakers plugged in or headphone plugged in or if I'm using the internal speakers.
I wouldn't mind if someone could figure this out fast as it really is starting to get on my nerves. Thanks!

Hello,
As a musician myself, I definitely understand you're frustrations with audio problems. Would you mind giving us a few more details about your problem?
1. How often does this issue occur, and when did you first start noticing it?
2. Have you verified if this issue occurs in a test user
If the issue is present in both users, there are a few simple troubleshooting steps you can try. First, run SW updates. Try resetting the [PRAM|http://support.apple.com/kb/ht1379] and [SMC|http://support.apple.com/kb/HT3964?viewlocale=en_US]
I also recommend cleaning out your headphone jack with some compressed air, which you can buy at most electronic stores.
I hope those tips get you on the right track. You may also look at brining your computer to an [Apple Retail Store|http://www.apple.com/ca/retail/>

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