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Audio slowly drifts away from video after uploading in PP

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Stephan EgliAudio slowly drifts away from video after uploading in PP
by on Dec 4, 2016 at 5:06:14 am

So the audio is more or less in sync at first, but 7 min in it is out of sync. After 12min it is really really out of sync. So it basically progresses out of sync. I checked the untouched video, and there the footage stays in sync. Its a MOV file that is at 29 frames per sec. I tried Pre 2017 and 2015, no difference. I shoot with iphone 6 fyi.

Please don't tell me to use handbrake. I tried it twice under different settings to prevent quality loss, but there was a major quality loss. This is unexceptionable for me. There must be a way I can change this without losing quality no? One thing I noticed is that my footage is 29fps, but under Sequence Settings PP shows 29.975. Could that have something to do with it?


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Alan LloydRe: Audio slowly drifts away from video after uploading in PP
by on Dec 4, 2016 at 5:21:22 am
Last Edited By Alan Lloyd on Dec 4, 2016 at 5:22:34 am

What is the footage from? Is it variable frame rate? (That is a known issue and has been for some time.)

ETA: I reread your post. It's from an iPhone, and yes, it's variable frame rate. The problem is in your phone footage, not Premiere.


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Stephan EgliRe: Audio slowly drifts away from video after uploading in PP
by on Dec 4, 2016 at 6:41:28 am

Yeah I understand that the two are not compatible. (What a surprise apple is never compatible lol). But still I would assume by now Adobe would have something that could convert it. So many people use iphones, and now especially with the 4K camera phones etc. There cameras have reach a professional quality. I know Adobe could solve the problem with a snap of there fingers if they wanted to.


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Ann BensRe: Audio slowly drifts away from video after uploading in PP
by on Dec 4, 2016 at 12:47:33 pm

Handbrake is your only option.
Make a feature request:
http://www.adobe.com/products/wishform.html

-----------------------------------------------
Adobe Certified Expert Premiere Pro CS6/CC
Adobe Community Professional


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Alan LloydRe: Audio slowly drifts away from video after uploading in PP
by on Dec 4, 2016 at 3:39:33 pm

By definition, a variable frame rate file is not professional quality.

Apple could make their camera output fixed frame rate if they chose. Why blame Adobe for someone else's inaction?


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Dave LaRondeRe: Audio slowly drifts away from video after uploading in PP
by on Dec 4, 2016 at 9:13:14 pm

Good point. There are apps that force an iPhone to shoot at a consistent frame rate. If the footage did not use one of them, you're hosed.

And because it's a VARIABLE frame rate, you can never expect any consistency out of it. PPneeds consistency. Sorry, but you're stuck.

No one but casual iPhone shooters like iPhone's default video. But then, they don't care.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Stephan EgliRe: Audio slowly drifts away from video after uploading in PP
by on Jan 18, 2017 at 1:00:37 am

Please tell me the name of this APP!!! PLEASE!!!


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Ole KristiansenRe: Audio slowly drifts away from video after uploading in PP
by on Jan 18, 2017 at 5:10:05 am

Filmic Pro !


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