Audio slowly goes out of sync over time

My capture segments are only 10-15 minutes long. However, my audio drifts out of sync and is severe at approx. 3 minutes with no dropped frames.
Shot with SDX900 (DVCPRO50)
Capturing from AJ-SD93

hi
i have exactly the same problem...
Im in really trouble with a project. I am producing a fitness dvd and the soundtrack is eating up frames in common to my video, where i try to syncronize the sound from. Its totally strange for me and i have no solution and answer why this is happening.And worst of all: no solution. The customer which - of course - is not satisfied.
I have NO clue what to do. Can anyone help?
the footage is taken from Sony HVR-V1E in HDV and the soundtrack is taken from a dedicated made CD and converted to MP3 before putted into finalcut. If i convert it to aiff instead it gives me files around 1 frame shorter than the mp3 files. "Sync Audio Capture to Video Source if Present" is on as well, like "thedirtyduo"s has.
Im lost (too)
Best from Mark, Norway

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Sound slowly goes out of sync

Have a movie that I have run through compressor 3 as both an .avi and as an .MP4. Then burn in DVDSP 4.2. The video and sound are in sync for the first half of the movie and then slowly goes out of sync. It gets worse as the movie goes on. Anyway to correct this?
Thank you.

The normal process would be to export a self-contained or reference movie from FCP, then use the resulting file in Compressor and choose the appropriate DVD preset based on the duration of your movie. Compressor will create the needed MPEG-2 (.m2v) video file and AC3 audio file for use in DVD Studio Pro.
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Linked video audio clip goes out of sync when put in timeline - why?

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You don't give any details as to FCE's settings, camera format or your workflow so I can only hazard a guess.
One of the main reasons that audio goes out of sync is because the Easy Setup audio settings do not match the camera's audio settings.
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Audio slowly drifts out of sync with video

I have a long continuous video clip (.MP4) that has an audio sample rate of 48 kHz. Separately, I have an audio clip (.mp3) for that take that was recorded at 44.1 kHz.
I created a sequence in Premiere with the .MP4 making sure the sequence's audio sample rate was set to 48. I brought the .mp3 into Audition where I used Edit > Convert Sample Type to change it to 48 kHz.
Back in Premiere, I dragged the converted .mp3 into the sequence and the audio still drifted out of sync toward the end of the clip.
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Two independent record devices will not stay perfectly synchronous over a long period of time unless locked via timecode or a sync cable.
A solution is to scroll to the end of the clips and adjust the speed of the mp3 file (making it run slightly faster or slower) until the end of the camera audio and mp3 audio coincide.
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Audio is/goes out of sync

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.
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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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A/V sync is hard, and there are hundreds of ways to encode a video. Adobe provides guidance on how to best publish content to ensure that it consistently plays back well, but that's an uphill battle.
A direct link to the problem video is the most useful information you could provide in this case, along with details about your system. It would also be useful to know if the A/V sync problem goes away if you disable hardware acceleration, as described in the video troubleshooting guide.
https://helpx.adobe.com/flash-player/kb/video-playback-issues.html
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Video and audio slowly go out of sync

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Sound goes out of sync in playback, why???

I have just bought the new MacBook Pro 13" with the i7 dual core 2.8
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The sync slowly drifts. Then hit pause and then play, and sure enough, the picture and sound are back in sync again.
This tells me that if you export ("share") the movie, the sound will be fine (it was for me). But it is unnerving to preview your work and see and hear the picture and sound drift out of sync like that.
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Thanks for the reply. I don't have time for this. is it time to switch to a different editor?

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OK, I figured out how to fix it:
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Hey all-
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same thing.
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thing.
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avanishdivya thank you, but this did not help. I did exactly what you told me in both cases.
I haven't overclocked my pc and both of the suggested media encoder methods failed, my pc crashed and turned off...
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Video and audio goes out of sync when imported into Premiere

I have some videos ripped from some DVD that an acquaintance made, with an open source program called HandBrake, with the default "high profile" settings. When I play it both in VLC and in Quicktime, it plays just fine, but when I import it either in Premiere or in After effects, the video and audio goes out of sync (the video ran faster than the audio and when the video stops, the missing audio is trimmed).
Video info according to Premiere (in Spanish but you may get the meaning).
Ruta del archivo: [...].m4v
Tipo: Película MPEG
Tamaño de archivo: 667,7 MB
Tamaño de la imagen: 720 x 480
Profundidad en píxeles: 32
Velocidad de fotograma: 29,97
Formato de audio de origen: 48000 Hz - comprimido - Estéreo
Formato de audio del proyecto: 48000 Hz - Punto flotante de 32 bits - Estéreo
Duración total: 00:30:35:15
Velocidad media de datos: 372 KB / segundos
Proporción de píxeles: 0,8889

"HandBrake, these days, is almost entirely about H.264 video, aka MPEG-4 Part 10. HandBrake is migrating to quality-based encoding."
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When audio goes out of sync..

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I am not sure if your problem has been solved already but here is the way to do that:
select in the clip in the timeline the part were the audio should be return in sync. use the blade-tool to make that part a seperate clip.
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Hi JohnDoe2009 - firstly, extracting the audio is not necessary in your case. Simply mute the video's audio, by reducing its level to zero - that is what actually happens when you extract the audio, after all.
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Audio slowly goes out of sync over time

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