Audio Pop to External Speakers

Hi,
When I have my MacBook plugged into external speakers I get a random "pop". Its usually when I have had iTunes playing for a while and close iTunes to go to something else. Sometimes it pops, sometimes it doesn't. I've tried it on different speaker, and have heard it on other speakers.
I've read that their was an audio update for 10.4 with regards to an audio pop when going into sleep or shutdown, is their any patch for 10.5? Has anyone else had my described problem? Is it normal?
Respectfully,
AJ

This issue is discussed at length in this thread: http://discussions.apple.com/thread.jspa?threadID=1394839&tstart=90
Note that one of the contributors has produced some freeware which (apparently) solves this problem.
Bob

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Does 10.5.3 update fix audio "popping?"

There's a pretty well documented issue with several computers with the sound card more or less going to sleep and causing pops in external speakers as well as delays in sounds while the card wakes up. Does anyone know if the latest osx update fixes this?

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Audio Pop to External Speakers

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