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mikep13649087
Inspiring
April 1, 2022
Answered

Audio Drifts Out of Sync in Exported (H.264) and (MPEG 2) Videos

  • April 1, 2022
  • 1 reply
  • 1878 views

I have a collection of DV captured home videos in .MOV format that I'm editing in Premiere and exporting as H.264 .MP4 and MPEG 2 files for burning onto DVDs. 

 

When I playback the finished edits in the Premiere timeline, the audio is synced up perfectly. However, when I playback the .MP4 in VLC the audio starts off in sync and drifts out of sync towards the end of the video.

 

This is one of the only videos that I'm having this issue with. Most other home videos are exporting fine.

 

When I drag the MPEG-2 video and the related .WAV audio file into the Premiere timeline, the audio is still drifting out of sync. So it's not an issue with playback bandwidth. 

 

I've also burned this video to a DVD and the audio is still out of sync.

This topic has been closed for replies.
Correct answer Richard M Knight

You could try sending the audio to Audition and converting it to 48k. Export from Audition and bring the new 48k file back into  Premiere. 

1 reply

Kevin J. Monahan Jr.
Kevin J. Monahan Jr.
Legend
April 1, 2022

Hi Mike!
Good for you to preserve those old DV tapes. I have to do that myself soon! Sorry for the weird audio issue. 

 

I would suspect with audio drift that you may have recorded 32 kHz audio sample rates for those DV tapes. It helps to capture at 32 kHz and keep the same for Sequence Settings. Then, export with the matching audio sample rate. Have you tried this? If not, I hope the idea works for you. Please let us know, OK?

 

Thanks,
Kevin

Kevin Monahan - Sr. Community and Engagement Strategist – Adobe Pro Video and Audio
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mikep13649087Author
Inspiring
April 1, 2022

You're right, the videos were captured with 3200 Hz audio. I had a few videos that were also recorded in 4800 Hz so the sequence ended up exporting all the videos as 4800 Hz.


Even when I manually change the sequence and export settings to 3200 Hz to watch the video, I'm still having the same audio syncing issue, unfortunately.

 

It's strange that it's only happened with this one video so far.

R
Community Expert
Richard M KnightCommunity ExpertCorrect answer
Community Expert
April 1, 2022

You could try sending the audio to Audition and converting it to 48k. Export from Audition and bring the new 48k file back into  Premiere. 

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