Audio delays on videos?

When I play any type of video on my Macbook Pro, for the first few second there is only the video and no sound. Then the video will pause and the sound from those few seconds will play. After that everything will continue to play in sync.
Is there a way to stop this happening? Since it's getting really annoying, especially when I'm trying to just watch very short clips and I end up seeing all the video before getting any of the sound!
Thank

Satellite Pro L300D-21U (PSLC9E-011001EN)
Try reinstalling the driver.
Realtek Sound Driver for Windows Vista 32 Bit, 6.0.1.5599, 27/01/09
-Jerry

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Sorry.
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Audio delays on videos?

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