> IIRC, that's to do with having one of the channels on your sound card > wrongly turned up. The sound should get mixed with the video by using > the line in as a capture channel. If you have the sound coming in and > straight out again through line out then you get 2 streams of sound - > one in realtime as the signal comes in and the other being captured > (and played back if you're watching live tv). So you need to turn down > the line out sound in your mixer (alsactl or whatever) because the > signals still coming in through the tuner card even though you're not > watching anything and it's being played straight out again. > > I'm sure I've got my terms wrong in this description so sorry if it's > not clear, but I hope you have the jist of it.
Here's a link to the docco which explains it in a proper, intelligible fashion, unlike my confusing waffle above - http://www.mythtv.org/docs/mythtv-HOWTO-7.html HTH, Phill
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