Stuttering AC3 and DTS sound (1 Viewer)

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MediaPortal Version: 0.2.2.0
MediaPortal Skin: Bluewide
Windows Version: XP Mediacenter edition
CPU Type: AMD Athlon 64 X2 4200+
HDD: Seagate Barracuda 320 Gb SATA2
Memory: 1 Gb
Motherboard: ABIT NF-M2 nView
Motherboard Chipset: nForce 430 + GeForce 6150
Motherboard Bios: ?
Video Card: On motherboard
Video Card Driver: Latest NVIDIA
Sound Card: On motherboard
Sound Card AC3: On Motherboard
Sound Card Driver: Latest Realtek driver
1. TV Card: Pinnacel PCTV Stereo
1. TV Card Type: analoge
1. TV Card Driver: Latest Pinnacle Driver
MPEG2 Video Codec: Tried Intervideo video decoder and MPV
MPEG2 Audio Codec: Tried AC3 filter, MPA
HTPC Case: Coler master Cavalier 4
Cooling: NorthQ 120 mm CPU fan
Power Supply: 350 W
TV: Panasonic PT-AE100E projector, LG 19" Widescreen monitor
TV - HTPC Connection: VGA, DVI


I'm having problems with the sound when I play DVDs! I get a stuttering sound while the picture seems perfect. I have tried a number of combinations of decoders but to no avail!

The strange thing is while using WinDVD 8 it all works perfect.

Anyone who has any clue about what could be causing this? (It's actually the same problem in Mediacenter aswell)

Thanx!

Accolon

PS Problem solved! It was due to a poor DVD writer DS

 

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Added information

I have noticed another strange thing about this problem. When playing .iso files of DVD movies the sound is perfect in MP?

 

[Topher5000]

I had stuttering sound on xvids with the Realtek drivers for my MSI board. I didn't try DVDs. Reinstalling the drivers solved it.

 

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I have tried that aswell but unfourtunately to no awail