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Solved: Audio out of sync when exporting H.264 - Adobe ...
https://community.adobe.com/t5/premiere-pro-discussions/audio-out-of-sync-when-exporting-h-264/m-p/8909442
Audio out of sync when exporting H.264. I just discovered the following: Whenever I export a H.264 in MP4 container, the audio in the resulting file goes about 10 ms out of sync. (575 audio samples to be exact.) Green is the original clip, red is the resulting file from export. I used 25fps in export settings.
Solved: Re: Audio out of sync when exporting H.264 - Page ...
https://community.adobe.com/t5/premiere-pro-discussions/audio-out-of-sync-when-exporting-h-264/m-p/12384985
I recently had the same issue with my h.264 audio going out of sync. The audio is also muted in certain places too. I do have mixed media including gifs and screen recordings. But this is the FIRST project I've ever had this audio sync issue with.
H264 audio sync - Avid Pro Audio Community
https://duc.avid.com/showthread.php?p=2607992
H264 audio sync I've noticed this on several projects previously where H264 video files appear to introduce a small offset on the corresponding audio file of 1-2 frames compared to a more reliable codec eg. ProRes. On a recent project, time was of the essence and so I grudgingly accepted an H264 to reconform (with timecode burned in the frame).
h.264 - Can .h264 container contain audio tracks? - Stack ...
https://stackoverflow.com/questions/1884101/can-h264-container-contain-audio-tracks
A container for video encoded with H.264 - such as an MKV or MP4 - can absolutely contain audio. That's how you can watch an H.264 video that has sound as well. On the other hand, it sounds like you could be confused about what H.264 actually is. H.264/MPEG-4 AVC is a standard for video compression, which has nothing to do with audio at all.
Audio/video synchronization, TS MPEG2;H264/AVC ...
https://stackoverflow.com/questions/4728533/audio-video-synchronization-ts-mpeg2h264-avc-understanding-pts-in-handbrake
This is only and best way that audio remains in synchronization with video. These timestamps are called PTS/DTS values which are of resolution of 90 kHz clock. Understand that over time clocks skew but since only the exact time is referenced, decoder playout exactly in same time order. Now the major concern remains is that decoder's clock needs ...
H.264 Audio/Video out of sync - VideoHelp Forum
https://forum.videohelp.com/threads/220088-H-264-Audio-Video-out-of-sync
2. Xvid @ 30fps: plays in sync but video a bit choppy is certain sequences (as expected because encode is at 30fps and source is 24fps). Nevertheless, video and audio are perfectly in sync. 3. x264 @ 24fps: plays about about 0.5 seconds out of sync. 4. **x264 @ 30fps: Here's the key test.
Adobe Media Encoder exports h.264 audio out of sync. - reddit
https://www.reddit.com/r/editors/comments/3lueej/adobe_media_encoder_exports_h264_audio_out_of_sync/
Adobe Media Encoder exports h.264 audio out of sync. Audio engineer here. I use AME to convert h264 videos from editors to pro-res so I can import them into protools (step 1). Once I'm done with the mix, I usually need to send the client an h264 for review. Protools exports the prores video file AME created along with my nice shiny new mix, and then I convert that prores to h264 …
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