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R
Randi275591381dn9
Participant
March 22, 2023
Question

MP4 File Audio Not Present in Preview nor Upon Render

  • March 22, 2023
  • 1 reply
  • 585 views

I have brought an MP4 file into my AE composition and no audio is present while previewing the video in AE or after rendering the comp. I can hear the audio in windows media player and see the waveform in the project dialogue preview (below).

I have also tried increasing the audio's decibels in the timeline and have had no success. And, yes, audio is turned on for previewing. The same MP4 comes into PremierePro with audio, just not AE.

 

Any recommendations would be greatly appreciated!

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1 reply

Ishan Y
Community Manager
Ishan YCommunity Manager
Community Manager
March 22, 2023

Hey there,

Welcome to the community. I'm sorry to hear about this. Do you only see this issue with a specific file? Can you hear the audio from other media files? Could you go to Window > Audio to check if the panel is picking up the audio? Let us know. We're here to help.

 

Thanks,

Ishan

R
Randi275591381dn9Author
Participant
March 23, 2023

It's not only with this file but has happened with other files. I can't seem to find a rhyme or reason as to when it happens and when it doesn't.

No, the audio meter is not registering sound for that portion of my composition.

Ishan Y
Community Manager
Ishan YCommunity Manager
Community Manager
April 4, 2023

That is correct. However, the same MP4 file does output sound in Premiere Pro, just not After Effects. And, yes, my output device is set correctly, as other audio files within the same composition output sound during preview.


Have you tried resetting your preferences and purging your Memory and Disk Cache (Edit > Purge > All Memory and Disk Cache)? Try switching the default output to another device and then change it back to the default one and see if that makes any difference next time you see the issue. If that does not work, could you create a screen recording when you see this issue again? 

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