Why is my audio is out of sync with my video on hd capture from sony camera

My System
Win 7 64 Bit
Asus P5Q-E Motherboard
4 GIGS DDR Patriot Ram
Pentium quad 2.8
Ati Video Card
Onboard Audio
CS3 Premiere And Encore
I have a Sony HVR Z series HD camera from sony. I will capture a tape and it will be out of sync. I will then recapture and it may be in sync or not, this is really frustrating especially for music videos and weddings, actually a nightmare. I'm not quite sure as to the reason as it happens in Adobe Premiere cs3 and cs4. I have updated everything. Do you thing I need a 10000 RPM os system drive. Any help would be appreciated.
Joan

I have 2 Sony HDR FX1 and 1 Sony HVR Z1U and it works great in both CS3 & CS4 so something is wrong with your setup or camera.
I only have a 7200 SATA drive for capture.
I dont know if a bad cable would cause this.
Harm has a couple other ways to capture that he says it keeps the audio in sync better but I have yet tried it but im sure from what I have read here that it works good.
Here is a link to his Tools Article.
http://forums.adobe.com/thread/504907
Here are those 2 capture ways:
Capture
Scenalyzer: http://www.scenalyzer.com/main.html for capturing SD material
HDVSplit: http://strony.aster.pl/paviko/hdvsplit.htm for capturing HDV material
Hope this helps: Glenn
EDIT:
I have an 5 year old system.
On Bills PPBM4 test you can see that I scored second to LAST on speed so even my system can capture fine.
http://ppbm4.com/Benchmark.html
Take the test and see how your system is running. It doesnt take to long.
Glenn

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Why is my audio is out of sync with my video on hd capture from sony camera

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