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Please help me solve my Live 5.1 AC3 SPDIF choppy sound/video problem



 
 
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Old January 17th 06, 07:02 AM posted to creative.products.sound_blaster.live
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Default Please help me solve my Live 5.1 AC3 SPDIF choppy sound/video problem

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I have racked my brain for 2 days with this and am finally throwing in
the towel. I need help!! Here's the issue:

I have an old Gateway 1ghz P3 that I want to use to playback DVD's
stored on the hard drive. I can play back video without any issue when
the Live 5.1 outputs analog sound through the SPDIF. If I enable the
system to output an AC3 bitstream through the spdif, I get random
hiccups and video skips. This happens about every 2 to 3 minutes while
playing a DVD. I have observed this happening when the disc is playing
from the DVD drive or the Hard Drive. I know the system is more than
adequate to playback DVDs because I also played an episode of Lost in
MPG HDTV (720p) and it plays without any issue, unless I try to output
the AC3 5.1 sound included with that episode. I have tried every
possible thing I can think of. Here's the lowdown:

P3 1ghz
512 RAM
40GB HD with OS
250gb HD for storage
Radeon 9500 128mb using DVI out
Live 5.1 sound card
Windows XP SP2

Here's what I have tried:
-Updated all soundblaster live 5.1 drivers to the newest versions
-Updated all radeon drivers
-Updated motherboard (chipset) drivers
-Updated BIOS
-Replaced Power Supply
-Replaced UPS
-Replaced SPDIF cable
-Moved Live 5.1 card to different PCI slots
-Replaced with OEM drivers included in Windows XP
-Turned off all background apps and unnecessary services
-Tried two different DVD decoders and applications (Power DVD and NVidia
Purevideo Decoder)
-DMA is enabled for drives and DVD
-Moved Video acceleration slider down each level and tested
-Moved Audio acceleration slider down each level and tested
-Made sure Hardware acceleration is enabled for the video Decoders
-I found an old proprietary sounblaster digital card that came with some
digital Boston Acoustic speakers a few years back and replaced the live
5.1 with it. Exact same results were observed. Like I said, when I
output analog 2 ch audio through the SPDIF it works just fine. As soon
as I send an AC3 bitstream, random hiccups in sound and video are observed

I have seen others with similar issues, but I never can seem to find an
answer on how to fix this. Any ideas?
 




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