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audio slightly out of sync with video
Posted: Mon Jan 13, 2014 1:29 pm
by FrozenAssets
When playing video the audio is lagging by a fraction of a second. It is subtle, but noticeable, especially when there is some action timed with audio for dramatic effect.
MMW version 4.1.0.1686 running on Windows 7
Tried normal install and portable install, no difference
upgraded the codec pack to 2.1.1.103 and behavior is the same
This does not happen with 4.0.7.1511
Re: audio slightly out of sync with video
Posted: Mon Jan 13, 2014 1:50 pm
by MiPi
Do you play the video from local or network disk? Which video format do you play?
Please generate debug log a send me (
http://www.mediamonkey.com/forum/viewto ... ?f=6&t=341).
Re: audio slightly out of sync with video
Posted: Mon Jan 13, 2014 2:10 pm
by FrozenAssets
It is played from a network disk, but that is also the case for correct playback with 4.0.7.1511. DB is local, files on NAS
I have noticed this behavior with all formats in my library: .flv, mp4, .mkv, .mov, .avi
I will install the debug version and send a log.
Re: audio slightly out of sync with video
Posted: Mon Jan 13, 2014 3:13 pm
by FrozenAssets
I have submitted a debug log with ticket KQO-497547
Re: audio slightly out of sync with video
Posted: Mon Jan 13, 2014 5:14 pm
by dtsig
Have you tried the newer codecs? That has taken care of almost all of the sync issues i have had.
Re: audio slightly out of sync with video
Posted: Mon Jan 13, 2014 6:01 pm
by FrozenAssets
dtsig wrote:Have you tried the newer codecs? That has taken care of almost all of the sync issues i have had.
Yes, I have tried that. No joy.
Re: audio slightly out of sync with video
Posted: Mon Jan 13, 2014 6:14 pm
by FrozenAssets
It is VERY subtle. Unless you are looking for it, with dialogue you probably would not notice. But with something like percussion it becomes obvious to me. Watching a drummer in a video I can really pick out that the audio is
slightly behind the video.
Edit to add: I just found this downloadable video that makes it very easy to gauge whether or not audio/video is in sync
http://www.theonlineengineer.org/TheOLE ... c-testing/ I downloaded the HD version. Based on this I am seeing that audio is 16 frames late (beep occurs on the fourth dark bar after the white bar).
Edit a second time to add: I have rolled back to 4.0 and using this test the audio and video are perfectly in sync.
Re: audio slightly out of sync with video
Posted: Mon Jan 13, 2014 10:24 pm
by FrozenAssets
Is anyone willing to play the test video I linked to in my previous post and share what they experience?
Re: audio slightly out of sync with video
Posted: Tue Jan 14, 2014 3:30 am
by MiPi
Thanks for additional info, I've reproduced it.
Tracked here:
http://www.ventismedia.com/mantis/view.php?id=11738