Sound drop-outs - anyone else have a problem like this?

[craigparris1]

TV-Server Version: RC1 with last SVN
MediaPortal Version: RC1 with last SVN
MediaPortal Skin:
Windows Version: XP SP3
CPU Type:
HDD:
Memory:
Motherboard:
Video Card:
Video Card Driver:
Sound Card:
Sound Card AC3:
Sound Card Driver:
1. TV Card: Leadtek DTV1000S
1. TV Card Type:
1. TV Card Driver:
2. TV Card: Leadtek DTV1000S
2. TV Card Type:
2. TV Card Driver:
3. TV Card:
3. TV Card Type:
3. TV Card Driver:
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec:
MPEG2 Audio Codec:
h.264 Video Codec:
Satelite/CableTV Provider:
HTPC Case:
Cooling:
Power Supply:
Remote:
TV:
TV - HTPC Connection:

Hi guys,

I have two Leadtek DTV1000S cards in my PC, but I don't think this problem is specifically related to the PC itself. Previously, I had a STB which would, from time to time, have blocks of about 10 seconds in recordings or live TV where there would be no sound at all - picture would be OK, though.

Now, with MediaPortal, I'm getting similar occasional moments - but rather than having no sound for 10 seconds or so, the sound has a "blip", then goes down to nothing, but gradually increases back to the current volume setting. I'm guessing this is being caused by whatever was causing my sound drop-outs on the STB.

Does anyone else have issues similar to this? Is it just likely to be caused by a stutter in reception, or something else?

Cheers,
Craig