How to trim audio less than a frame in After Effects?

Explorer ,
Apr 17, 2019

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This seems like a fairly obvious and simple question, but I can't find the answer anywhere. I'm relatively new to AE--I come from the audio world in which it is possible to trim an audio clip right down to the teensiest waveform--in literally any DAW that exists. So why wouldn't it be possible to do that right within AE? We recorded the audio for our current project in ProTools, separately from the video, and now it's about half a frame off from the video. Ultimately, it will be hard to notice, but even so, it's eating me up--there's gotta be a way (other than going into Premiere---we don't have any cuts, just one shot with green screen and animation, so it doesn't make sense to link to Pr).

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1 Correct Answer

Adobe Community Professional , Apr 17, 2019
Roland Kahlenberg Adobe Community Professional , Apr 17, 2019
Trimming may seem easy but there is some engineering required to things work sub-frame. It's a good idea to think of Adobe's DVA tools as a set of tools that work together. In, AE, you can select the Audio Layer and choose Edit in Audition, via the Edit Menu.

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Guide ,
Apr 17, 2019

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... and in every video editing software the smallest unit is a frame, therefore you do such things in an audio tool.

*Martin

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Explorer ,
Apr 17, 2019

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Guide ,
Apr 17, 2019

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AE is also not an editing software...

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Advisor ,
Apr 17, 2019

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"-in literally any DAW that exists. So why wouldn't it be possible to do that right within AE?"

Because AE is not a DAW.

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Explorer ,
Apr 17, 2019

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Why? Why do you bother answering? What is the point of being a snide troll? Do you think you're being helpful?

If Ae doesn't have the capability, then you could say something like "Ae doesn't currently have this function. Here's a link to the suggestion area".

Just because Ae isn't  specifically a DAW or an editor doesn't mean it can't be used as such--especially for something as simple as trimming.

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Adobe Community Professional ,
Apr 17, 2019

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Trimming may seem easy but there is some engineering required to things work sub-frame. It's a good idea to think of Adobe's DVA tools as a set of tools that work together. In, AE, you can select the Audio Layer and choose Edit in Audition, via the Edit Menu.


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Explorer ,
Apr 17, 2019

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Thanks Roland--this is a much more acceptable answer. Not the one I want (I want to be able to do EVERYTHING in Ae), but at least you've actually pointed us in the right direction.

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Engaged ,
Apr 17, 2019

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You can use Audition.

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Adobe Community Professional ,
Apr 17, 2019

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It occurs to me to give your audio the exact duration of your video in the Layer / Time / Time Stretch menu option ... in "New Duration" you set the duration of your video so you will get a perfect synchronization and this change will be imperceptible.

Captura de Pantalla 2019-04-17 a la(s) 11.25.11.png

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Guide ,
Apr 17, 2019

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errmm..

Why? Why do you bother answering? What is the point of being a snide troll? Do you think you're being helpful?

Q:

I come from the audio world in which it is possible to trim an audio clip right down to the teensiest waveform [...]

So why wouldn't it be possible to do that right within AE?

A:

... and in every video editing software the smallest unit is a frame, therefore you do such things in an audio tool.

The first post is the answer. Don't blame us if you don't like it.

*Martin

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New Here ,
Feb 24, 2020

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I had the same issue where I wanted sub-frametime aligned sync of a separately recorded audio track.

 

I worked around this by using the Delay effect. I.e, place the sound on the closest frame possible that is before your desired sync point. Then you set "Feedback" & "Dry Out" to 0%, "Delay Amount" & "Wet Out" to 100%, and you tweak the Delay Time parameter to get your audio in sync.

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New Here ,
Jun 10, 2020

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Old thread, but I feel you man, some of the community here are downright hostile to people learning the software and asking for help. I've found by prerendering the video and the increasing the frame rate to 60fps I was able to sync everything up, then move it back to 30fps - it's not 100% perfect, but it's a lot closer than one frame.

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