Very sloppy playback with AC3/DTS Hardware Decoding with

I just bought the Audigy 2 ZS (plain)
I tried playing back DVD movies using SPDIF output on PowerDVD and I get VERY VERY sloppy playback, both with AC3 and DTS audio.
I thought it should perform better than my previous SB Li've! 5.

Which settings are you using and what kind speakers do you have? If you have analog speakers, are you doing the decoding with the software or with the soundcard? Check for the card whether AC3 decoding is enabled (in the Device Controls). If it isn't, try enabling that and setting the DVD software to SPDIF instead. Or if it's enabled, set the decoder to disabled/SPDIF, and set the DVD software to 5. and see if it's the same.
If you're using digital speakers then both should be set to SPDIF (so decoders disabled).
Cat

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