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[majicire]

Hey team, hoping you can help me with an issue I've been having.

When I play back some 4k blu-rays in JRiver Media Center 26 (typically .mkv format), the audio is a few seconds behind the video.  The weird thing is that if I play the exact same file in VLC media player, the audio is perfectly synced with the video.  This leads me to believe that this is a software issue, not a hardware issue. 

I was reading through the posts on various errors and tried excluding JRiver folders from Windows Defender.  This did help the program open more quickly, but didn't fix the audio problem. 

Note that this problem only happens on some files, not all of them.  Most of my .mkv files play back just fine using JRiver, there's just a few movies that don't sync up correctly (but again, the file works fine in another media player, so I don't think the file is the problem). 

Any thoughts of suggestions are greatly appreciated.  Thanks for your help!

-Paul

[tij]

What you using to play ? RO Standard or HQ? ... if it’s later, screenshot of MadVR OSD can be helpful to resolve the issue (Ctr+J while movie is playing)

[majicire]

What you using to play ? RO Standard or HQ? ... if it’s later, screenshot of MadVR OSD can be helpful to resolve the issue (Ctr+J while movie is playing)

tij, thanks so much for the tip.  I changed the setting in Options, Video, Red October (standard changed to high quality) and it seems to be working perfectly!  I forgot to change the setting back the last time I installed the program.  You're a life saver!!!  Problem solved!

[TheShoe]

You can also change the audio delay relative to the video up or down during playback in miliseconds.  MC will remember the setting on subsequent playback as well.

https://wiki.jriver.com/index.php/Lip_Sync

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i have had this issue on occasion with files that sometimes play perfectly and other times a sync issue occurs.   often just a simple rewind by 10s will correct it.  it has happened in emby, media center, plex, and other players i have used over the years.

many pre-processors, some TVs, and AVRs often also have the ability to adjust the audio delay relative to the video.  i would start with the source (Media Center) before messing around with the rest of the playback chain.