Asoundrc emu10k1

SoundBlaster Live! and Audigy Information

These are some of the (very) few cards which support audio-mixing directly in the hardware, meaning you won't need dmix or JACK or anything like that for other programs to play sounds while MythTV is using the audio outputs.

asoundrc file

via Jarod C. Wilson

pcm.emu10k1 {
type hw
card 0
}
ctl.emu10k1 {
type hw
card 0
}