[mythtv-users] Sound Card Selection: Was "Choppy video"

Michael T. Dean mtdean at thirdcontact.com
Thu May 28 03:33:59 UTC 2009

On 05/27/2009 10:04 PM, Josh White wrote:
> I've been having a problem with my system where my video would 'pause' for a
> frame or two, every 50 seconds or so (I've timed it with a stop watch)
> regardless of whether it's sd or hd content.  I went through the steps
> listed, and I determined that it appears to be my sound card.  I've tried
> using the internal card on my motherboard, and no luck.  I had an old
> SoundBlaster Live! value card lying around, so I put that in, and it seemed
> to work; I never noiced audio problems that I could hear.  After running
> mythfrontend from a command line, it became apparent that I did have an
> audio issue:
> I turned off 5.1 output and the prebuffering and buffer underrun errors go
> away.
> is there a
> card out there that works with spdif output, and 'just works' out of the box
> (no compiling drivers, etc)?

Before going too far (and getting new hardware), make sure you try with 
upmix set to Passive.


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