[mythtv-users] Audio Problems (SBLive, Firewire, AC3, SPDIF)
andyob at gmail.com
Tue Jul 5 23:22:07 EDT 2005
Old problem that I still haven't quite figured out, looking to see if anyone
has any suggestions.
System: Myth on FC3 via Jarod's setup guide,
Audio: SBLive card connected to 5.1 tuner via SBLive Drive optical output.
Using the .asoundrc file to get AC3 output to the tuner.
Video: via Firewire from Moto6200
CPU: AMD 2400 XP, plenty of ram, etc.
Problem: Audio on non 5.1 programs. Watching live TV, playback stutters
every second, it sounds as though the audio is playing back too fast
(Chipmunk sound), but the video is playing OK (Getting buffer underrun
messages). When watching a recorded show audio still plays back fast and
video plays back fast as well.
So most HBO programming which plays in 5.1 dolby digital plays/records just
fine, but other programming like cartoon network plays as described above.
It's been suggested that I try a simple .asoundrc file:
which allows me to listen to view all programs, and the audio works OK, but
lacks 2 things:
Dolby Digital/5.1/whatever output and on my HBO programs all I'm picking up
are the left and right audio channels, the center, LS and RS speakers appear
Maybe I just need to set something in myth? If I enable AC3 bypass all I get
is static in my stereo.
Any help appreciated, I just got LIRC working, everything is automated, I'm
a happy Myth user, but the lack of the audio I want is starting to peeve me
off. Any suggestions? Please speak in small words, I'm quite new still and
some of the linux terminology still confuses me.
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