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AngryGreek Calculating status...

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Audio is/goes out of sync

Dec 31, 2012 6:37 PM

Hi guys,

Brand new user to Premiere Pro CS 5.5

I took some clips off my Galaxy Nexus that I shot the other day and wanted to cut them into a short video so I imported them into Premiere.

When I play them in Premiere the audio appears to be in sync at the very beginning of the video but as it progresses through it seems to be worse and worse out of sync as it goes along. Even in a short 1 minute clip.

When I play these raw video files in something like XBMC or the standard Windows 8 media player, or even just on my phone there don't see to be any problems with the audio/video being out of sync what so ever.

I tested this out with several random clips recorded on my phone and it seems ALL of them are doing this in Premiere no matter the duration of the video.

Why is this happening and how do I prevent/correct it?

Thank you

356 Views 2 Replies Latest reply: AngryGreek, Jan 1, 2013 1:02 AM

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1. John T Smith,

Dec 31, 2012 8:58 PM in reply to AngryGreek

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Cell phone video often uses a variable bit rate, such as from the iphone... these links are about iphone video, but they may help

http://forums.adobe.com/thread/881246
-and http://forums.adobe.com/thread/1011411?tstart=0
-and a fix http://forums.adobe.com/thread/934466

If those links don't help, more information might help

What are you editing, and does your project match your video?
.
Read Bill Hunt on a file type as WRAPPER http://forums.adobe.com/thread/440037
What is a CODEC... a Primer http://forums.adobe.com/thread/546811
What CODEC is INSIDE that file? http://forums.adobe.com/thread/440037
.
Report back with the codec details of your file, use the programs below... a screen shot works well to SHOW people what you are doing
http://forums.adobe.com/thread/592070?tstart=30
.
For PC http://mediainfo.sourceforge.net/en or http://www.headbands.com/gspot/

Also, to be sure your video matches your sequence, read on...

For CS5 and later, the easy way to insure that your video and your project match
See 2nd post for picture of NEW ITEM process http://forums.adobe.com/thread/872666
-and a FAQ on sequence setting http://forums.adobe.com/message/3804341

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2. AngryGreek,

Jan 1, 2013 1:02 AM in reply to John T Smith

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Thank you for the information. I found an alternative solution which is to us AVS Video Converter to convert them from mp4 (and whatever codec the phone uses that doesn't seem to get along well with Premiere) to WMV.

Once I did that and loaded those up in Premiere the problem seemed to disappear.

Prior to doing that I made sure the resolutions were the same, the fps was the same, etc and it did not make any difference.

I'll be sure to check over some of those links as I'm sure they will be useful knowledge for my editing anyway. Thanks.

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