[mythtv-users] Audio Sync with 0.26

Mark Greenwood fatgerman at gmail.com
Sat Nov 17 19:22:03 UTC 2012

On Saturday 17 Nov 2012 00:13:33 Mark Greenwood wrote:
> I've got an audio sync problem. With Movies (ie what used to be called mythvideo), everything is fine. When I watch a recording, everything is fine. But when I watch Live TV however, I have to delay the audio by 150ms. As this setting is permanent and applies across the board, I'm having to adjust it all the time. I know Live TV doesn't get much love around here, but what I can't understand is how this could even happen? It has only been a problem since my upgrade to 0.26 - it was OK in 0.24.
> My TV sources are USB DVB tuners, if that makes a difference, and my system uses RTC as the video timing method. I think my 0.24 system used the other one, whatever it was called. Perhaps I should try that?
> Any advice or help much appreciated because 0.26 is making my hair fall out and the only course of action less enticing than continuing to wrestle with it is reinstalling 0.24.. :)
> Mark

Actually it seems that in both live TV and recorded TV the audio is ahead of the video, but with videos the audio is in sync. I definitely didn't have this issue with 0.24. 

Is it possible to delay the audio for TV/Recordings playback but not for videos? Or how can I investigate why it's delayed for TV? Could it be something to do with my tuner - that's new since 0.24.



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