[mythtv-users] Mythtv has audio quality problem when using RCA's

[Andrew]

Robin Gilks wrote:
>>I am surprised that nobody else has seen this.  I did figure out that when
>>live TV starts with Svideo0 the sound is bad
>>every time. If you hit C and change to Tuner the sound is ok.  Then if you
>>hit C again and change back to Svideo0 the
>>sound it fine.  Certainly a bug.
>>
>>Andrew wrote:
>>
>>>Previously I was using comcast and pulling A/V in through coax and
>>>everything was fine. Now I have switched to directTV and use the S-Video
>>>and audio cables going into my PVR-150's.  The audio is good going into
>>>the card and I can mplayer /dev/v4l/video0 and all sounds great (this
>>>tells me the 150 is working fine).  When I watch myth live TV or record
>>>something in myth the audio just plain sucks.  It's like a bad VOIP
>>>phone call from overseas.  What could mythtv be doing to the audio that
>>>would do this?
>>>
>>>Gentoo system
>>>Audio out = ALSA:default
>>>Aggressive sound card buffering = off
>>>Use internal volume controls = off
>>>Extra audio buffering = off
>>>
>>>I can't find any other setting for audio.  Any ideas?
>>>
>>
> 
> Downgrade IVTV driver to 0.4.0 until it gets fixed. As far as I can see,
> 0.4.1-3 are broken unless you select tuner and then back to s-video.
> 

Thanks for the help Robin. I went back to 0.4.1 and that has fixed the problem for now.  Hopefully they can track this 
bug down in ivtv.