[mythtv-users] what is a : WriteAudio: buffer underrun?

[Paul]

I'm getting alot of these during playback along with some pauses , can 
someone explain to me what the cause of these are?
is it a Audio problem or Video problem?

2009-11-25 20:47:48.049 WriteAudio: buffer underrun
2009-11-25 20:49:24.993 WriteAudio: buffer underrun
2009-11-25 20:58:54.003 WriteAudio: buffer underrun
2009-11-25 20:58:54.984 WriteAudio: buffer underrun
2009-11-25 21:01:18.016 WriteAudio: buffer underrun


Paul