Skip to main content
Inspiring
November 15, 2019
Answered

Audio slowing down in playback (newest version)

  • November 15, 2019
  • 3 replies
  • 3699 views

When I playback in the newest version of After Effects the audio always slows down after 3 seconds and then sometimes completely cuts out. I've tried lots of different fixes I found online but nothing works. I'm using a .wav file in 120 framerate. I don't know what to and I expect a program like this to be able to playback a song.

This topic has been closed for replies.
Correct answer graffyl41077453

Ok, so I figured something out. When I make a new comp based off the audio track I'm using it works perfectly fine! but when I add in clips I can't see them at all, besides a little dot in the preview screen. Also when I do this it makes the framerate 30, which is fine but when I add it in with clips already in the comp it is 120, I tried fixing it by making it 3o fps but then the audio is just really slow. Does anyone know?


Finally found a solution for now! What I did was when starting AE you click "make new comp from footage" in the second window. I then loaded my .mp3 into that and created a new comp. This should playthrough with no issues. I then changed the resolution in the Comp Settings to the resolution of my clips (1920x1080). I then imported my clips and it works! I don't know why I had to do all this just to play an mp3 file but I guess it works. Note I'm importing 120 fps clips into a 30 fps comp. 

3 replies

Dave_LaRonde
Inspiring
November 21, 2019

Yup -- you found a solution FOR NOW and little else.  There are a whole boatload of mp3 variants, some of which AE does not like, so you're MUCH better off just not using mp3's.  Just use Audition to convert them to wav files and life gets better.

 

I for one never, EVER use mp3's in AE.  Too much grief.

Roland Kahlenberg
Legend
November 16, 2019

Audio does not have a framerate. Instead, audio has a sampling rate. I assume the framerate you reported is you Composition Framerate. Regardless, go to AE's Preferences Dialog, to the Preview Section and try enabling the Checkbox for Mute Audio when Preview is Not Realtime.

 

Let us know if this helps.

Very Advanced After Effects Training | Adaptive & Responsive Toolkits | Intelligent Design Assets (IDAs) | MoGraph Design System DEV
Inspiring
November 16, 2019

Thanks, I checked the box and it does not let the audio slowdown but it still cuts out

Inspiring
November 16, 2019

Try increasing latency to 200 AND there should be a view of Sampling Rate in Audio Hardware. This is set in your OS - ensure this value is the same as what you have in AE's Project Settings.


So is the sample rate set by your OS in the bios? or is there a setting in "sound settings" (I'm on windows 10 btw). The Sample rate on AE is 48000 Hz. I can't seem to find any setting in the Windows 10 settings

Dave_LaRonde
Inspiring
November 15, 2019

Do you know how to both scrub and preview audio in AE?  If not, I'd learn.

Inspiring
November 16, 2019

Yes I do, I don't know how that would change the speed of the audio and not the video