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Video lags behind Audio

PostPosted: Fri Nov 13, 2020 5:25 pm
by FilmMakerCris
Good afternoon,

I am shooting on two Blackmagic 6k and using a Samsung 1TB SSD on both. I was test shooting on two cameras, one set to film to 6k Braw and one was not. Both have the same issue with playback. The video plays in slow motion even though it was not shot that way, but the audio plays out in real time. So the video is lagging behind the audio.

It does this no matter where I playback the video. Whether it be checking playback on camera, using the Blackmagic Raw player, Da Vinci, Premiere Pro, Quicktime. It does it on both longer videos as well as just testing it out over like 20-30 seconds.

I'm sure it's just something I'm doing wrong on my end or a setting I overlooked.

Has this been an issue for others? And if so what has the fix been?

If I come across a fix on my end I will post that as a reply just in case others come across the same issue.

Thanks in advance.

Re: Video lags behind Audio

PostPosted: Fri Nov 13, 2020 5:46 pm
by Brad Hurley
This thread might be helpful: viewtopic.php?f=2&t=124816

Re: Video lags behind Audio

PostPosted: Fri Nov 13, 2020 9:48 pm
by FilmMakerCris
Thank you so much, Brad. Turning off the off-speed recording was the fix. I have the reverse issue of the original poster in that thread where I need to turn a slow motion (50fps) into a real time speed (24fps) video to match the audio. Do you know the fix for that? I'll as in that thread as well.