[mythtv-commits] Ticket #6581: Audio Delay / Lipsync Control

MythTV mythtv at cvs.mythtv.org
Tue May 26 13:34:09 UTC 2009


#6581: Audio Delay / Lipsync Control
-------------------------------------+--------------------------------------
 Reporter:  anonymous                |       Owner:  ijr    
     Type:  patch                    |      Status:  new    
 Priority:  minor                    |   Milestone:  unknown
Component:  MythTV - Video Playback  |     Version:  unknown
 Severity:  medium                   |     Mlocked:  0      
-------------------------------------+--------------------------------------
 From the wiki:

 ''The current audio delay in the frontend allows for temporary adjustment
 to align the audio with the video.  Unfortunately, many HDTV owners
 experience a problem where the audio is about 30-40ms ahead of the video
 due to the 30-40ms delay that modern HDTV video processors create.  While
 the temporary audio delay controls already implemented in the Myth
 frontend can help, it would be beneficial to allow a permanent baseline
 audio delay to be set amongst all recordings.  That way, by default the
 audio could be delayed by 30-40ms, which will align it for most programs,
 allowing minor adjustment via the temporary audio delay to not always be
 necessary.''

 Having the same issue, I 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. The user may also set a
 special additional delay during a show like before; the global setting is
 displayed in brackets.

 I attached the patch which can be used against the trunk, revision 20635.

 I am really looking forward for your opinions!

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/6581>
MythTV <http://www.mythtv.org/>
MythTV


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