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GPU Accelerated Rendering and Hardware Encoding
https://helpx.adobe.com/mena_en/x-productkb/multi/gpu-acceleration-and-hardware-encoding.html#:~:text=To%20enable%20this%20option%2C%20select%20H.264%2FHEVC%20from%20the,Settings%20and%20set%20the%20Performance%20to%20Hardware%20Encoding.
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.
Audio out of sync when exporting H.264 - community.adobe.com
https://community.adobe.com/t5/premiere-pro-discussions/audio-out-of-sync-when-exporting-h-264/m-p/11932419
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.
Adobe Media Encoder exports h.264 audio out of sync. : editors
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 …
Audio out of sync when exporting H.264 - community.adobe.com
https://community.adobe.com/t5/premiere-pro/audio-out-of-sync-when-exporting-h-264/m-p/11932419
Tried to render with Adobe media encoder; The result was always the same, audio is not in sync with the original timeline. To see if it's just a display issue, I copied the empty space in the start of audio, pasted it 100 times and it was silent. I also brought the video file to cubase and the desync was clearly there as well.
Using Adobe Media Encoder to create H.264, MPEG-2, …
https://helpx.adobe.com/after-effects/kb/export-h264.html
You have two primary options for using Adobe Media Encoder with After Effects to create videos in H.264, MPEG-2, and WMV formats. Solution 1: render and export a losslessly encoded master file out of After Effects to a watch folder monitored by Adobe Media Encoder
AUDIO OUT OF SYNC with video on EXPORT from MEDIA …
https://community.adobe.com/t5/premiere-pro-discussions/audio-out-of-sync-with-video-on-export-from-media-encoder-with-my-new-mac-mini-w-m1-chip/td-p/12224151
AUDIO OUT OF SYNC with video on EXPORT from MEDIA ENCODER with my new MAC MINI w/ M1 CHIP. I bought a Mac mini 8gb with OS Big Sur installed. I have not been able to edit an hour and a half sequence since. I am running Creative cloud with native support for the m1 chip. The audio is very out of sync with the video.
Encoding Failed Component: H.264 of type ... - Adobe Inc.
https://community.adobe.com/t5/adobe-media-encoder-discussions/encoding-failed-component-h-264-of-type-exporter-selector-9-error-code-3/m-p/11580494
I never had hardware encoding problems at all until 14.x. My current workaround is to use software encoding on the dropdown in premier 14.5. CUDA and OpenCL give the same problem. Another workaround is to export as Apple ProRes 422 and then use ME for H.264 or H.265 with hardware encoding on and that works just fine.
Exporting h.264 video with 5 audio channels? - Adobe ...
https://community.adobe.com/t5/adobe-media-encoder/exporting-h-264-video-with-5-audio-channels/td-p/10580694
You could choose to export a Quicktime, then just pick the H.264 codec for the video and "uncompressed" for the audio, and you could set it to five channels. Now if you want h.264, you have to choose that as the filetype instead of Quicktime, and you don't have an uncompressed audio option.
Known issues in Adobe Media Encoder
https://helpx.adobe.com/media-encoder/kb/known-issues.html
Audio is out of sync Issue: Audio is out of sync by several 100 samples in H.264, MPEG-2, MPEG4, when multiplexing audio and video streams. Workaround: None, except encoding into a different format with uncompressed audio such as MXF.
Quicktime not able to sync audio when pla… - Apple Community
https://discussions.apple.com/thread/252680507
All bitrates and resolutions in H.264 feature a loss of sync from Adobe AME compression as of this date, with all software current. Adobe is blaming Apple. They recommend HandBrake, yet another third party product, to transcode videos so they will perform in Big Sur. The workaround works, but is inconvenient.
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