[mythtv] Audio Sync (Lipsync)

Andreas Fey com at andreas-fey.com
Tue May 26 13:38:19 UTC 2009


Hi,

I added this issue to TRAC: http://svn.mythtv.org/trac/ticket/6581


> Hi Folks,
> 
> a few weeks ago I bought a new LCD TV and noticed that the audio signal 
> is a few milliseconds (200) ahead the picture - which seems to be a 
> usual problem with LCD devices. Even more users noticed that problem and 
> put it to the wishlist of mythtv. Usual DVD and BluRay Players have a 
> feature to set up an audio offset value, AKA lipsync feature, so I 
> thoughtit would be a good idea to integrate it into mythtv, too.
> 
> Thanks to Marc Randolph, I re-started programming C++ and added a, IMHO, 
> nice feature which enables the user to set up a audio sync offset in the 
> general settings of mythfrontend (separate for each host). This offset 
> is added initially to the audio offset already used transiently during 
> playback.
> 
> Because this is my first try contributing to mythtv (and getting in 
> touch with C++ after years), I just wanted to ask which way would be 
> best to let others test these changes (as you might know, I don't have 
> write access to SVN ;-)
> 
> I attached a patch to this email. I am really looking forward to hear 
> from you guys!
> 
> Regards,
> 
> Andreas
> 
> 
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