[mythtv-users] Getting double audio

[Michael T. Dean]

On 05/09/2009 01:14 PM, Andy Cowell wrote:
> After working fine for a month or so, suddenly my mythtv is playing 
> the audio double.  I don't know if it's left and right tracks out of 
> sync or what.  Initially, the sound is very tinny, as they are just 
> slightly out of sync.  However, if I fast forward or anything like 
> that, the amount they are out of sync grows and can be 2-3 seconds 
> "out of phase."
>
> When I stream the same video over mythweb, the audio seems fine, so 
> I'm guessing it's only a playback issue on the server itself.
>
> I'm grabbing a/v with a Hauppage HVR-1600.  The audio is on the 
> motherboard (Intel D845GBV).  I have a cable converting the headphone 
> out to RCA plugs in my receiver.  It is both frontend and backend.

Sounds like your sound card mixer settings got messed up and you're not 
muting the line in.  http://www.mythtv.org/docs/mythtv-HOWTO-7.html

Mike