Video and audio fall out of sync in Captivate 6

I made a great little video demo in which I added audio while I recorded it in Captivate 6. However when I play it back the audio and video fall out of sync. How can I fix my problem and how can I prevent it from happening again?
JJ

Douglas, I found that even the SWF files have started to get out of synch as well (although not as badly as the MP4), so with Adobe's blessing, I installed Captivate 7 on my 2009 model MacBook Pro (with Windows 7 running in Bootcamp) and now when I publish both SWF and MP4 projects, they are in perfect synch.
The strange thing is that my MacBook Pro probably has less grunt than my work PC (Dell Lattitude) and I would also have thought that running in a Bootcamp based Windows 7, that would detract even further from Captivate's performance.
I am happy that this solves the synch issue, I am not happy that I must continually move projects between my office PC and my home based MacBook Pro in order to do this and I am still none the wiser as to what is actually causing the problem; although I do wonder whether it is in some way related to the reporting to base issue that was causing Captivate 7 to go into a not responding state every few minutes (that was resolved with a patch provided by Adobe support)..

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N95 Recorded Video: Video and audio is out of sync

Audio and video is out of sync when I play videos recorded with N95 on my PC. If have used different PC applications to play the video, but all exhibit the same problem.
In the beginning of at video it seems that the audio is about 400milliseconds ahead of the video - you hear the sound first. The different in audio and video is not constant. In a long video (30-50minutes) it is quite unpretictable how video and audio is out of sync in the end.
To experience the problem yourself record a long video sequence with a N95.
1 .Record something where it is easy to see if video and audio is in sync.
2. Transfer the recording to a PC.
3. Play the recording using VLC (www.videolan.org)
Another way to experience the problem is to convert the recording to AVI format at play it in MediaPlayer or WindowsMovieMaker. To convert a N95 video recording to AVI format use Mp4Cam2Avi.
http://sourceforge.net/projects/mp4cam2avi/
The video recording settings I use on my N95 are:
Best Quality
No Video Stablisation
Firmware version 21.0.0.16.
I think the video quality of N95 recordings is quite good, so I would really like to be able to view and edit the recorded vidoes on my PC.

28-Mar-2008 09:50 PM
el_loco wrote:
I've seen this issue, but it's not so critical for me. It doesn't happen 100% of the time or in most situations it's very hard to see.
You can edit videos on your PC, just converting them to AVI then using any Video Editor on the PC.
Yes while editing separate the audio channel from the clip and reinsert at the begining of the clip. This will minimise sync issues.To get accurate sync increase the timeline so that you are able to the see audio squiggles as a waveform.
If my post has helped you please click the white star on the right

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."
Hmmm. I use HC Encoder to make my DVDs because it's the only free encoder I've found with the much more professional Constant Q encoding option. But HC Encoder doesn't do HD sources for Blu-ray, so I've been wondering if I'd be stuck with the lame-*** consumer CBR and VBR options most encoders provide (including Adobe - hint, hint) when I eventually start working in HD. This is a very interesting program, Handbrake. I will have to check it out.

When I trim a Video in QTpro, the video and audio become out of sync

I use mpstreamclip to export video to mov or mp4 files. When I load up on QT pro and then do some trimming, the resultant clips often have audio and video that are slightly out of sync.
Can anyone provide some guidance on what to do?
Thanks so much.
Skip

I think it is going to be a problem with the fps setting on export. If you entered 30 fps as the setting for export and you found the result had the audio getting further and further ahead of the video the longer you watched it may be that you needed to enter a frame rate of 29.97 fps to keep things in sync. I am doing similar tests on some conversions because I have had sync problems as well. I will repost when I check my current export at 29.97 fps.

ITunes 10.5 video and audio getting out of sync

Hi,
my iTunes videos (bought from the store) are getting video and outio out of sync.
I found some hints to turn options in QT but iTunes 10.5 doesn't use QT - isnt'it?
Any ideas to solve this problem are welcome.
Yours Rüdiger

Hi and welcome to the forum!
First of all, don't convert the file to a MP4. What exactly are the specifications of the MPEG file you are using? It would help to know the frame size, frame rate, and the audio rate.
You most likely placed a 32kHz clip in a 48kHz sequence or vice versa.

The video and audio are out of sync while watching movies with iTunes

Anyone know why iTunes is playing movies out of sync? I try to watch a movie on my pc with iTunes but the audio is faster then the video.
I have searched for an answer everywhere but haven't found one yet, so if someone could please help.
It is updated as of this post with 10.6.1.7

Repair your QuickTime.
Control Panel > Programs n Features > highlight QuickTime, click CHANGE then REPAIR

Video and audio are out of sync

I have the Dell Venue 8 pro tablet running 8.1. After downloading video from itunes, it plays fine but the audio and video quickly get out of snyc. Any ideas?

First thing to check is the audio rate:
Are 32 kHz clips going to an FCE 32 kHz Sequence?
If the exports are 48 kHz, is the Sequence matching at 48 kHz?
Seqeunce settings are governed by the Easy Setup chosen when you start a Project.
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Video and Audio getting out of sync?!

So I have Final Cut Express on my Macbook with 2.4 GHz, 2.6 GB RAM and I am running Mac OSX 10.5.8. I have a 30 minute mpg, which does not import into FCE, so I converted it to an MP4 via a converter. When I play the video in a standalone player (the mp4) everything is fine but as soon as I put it into FCE and render it, the audio starts to get ahead of the video as the video goes on. its fine in the beginning then by the time its 15 minutes in its a good 1/2- 1 second ahead, and gets even worse by the end. CAN ANYONE HELP?!

Hi and welcome to the forum!
First of all, don't convert the file to a MP4. What exactly are the specifications of the MPEG file you are using? It would help to know the frame size, frame rate, and the audio rate.
You most likely placed a 32kHz clip in a 48kHz sequence or vice versa.

Audio falling out of sync during playback of videos

I now have Windows 8 on a brand new laptop, and new TV dls fall out of sync between audio and video within minutes. Skipping to the beginning and dragging back to my last place in the timeline corrects this for a minute or so, and then falls out of sync again.
Also, other new purchases skip/pause every few minutes. I tested previous dls (that are still in the cloud) and had no playback problems. I don't want to delete everything and redownload until I know for sure that is the solution.

Hello dreamsofthespider,
Thanks for using Apple Support Communities.
To troubleshoot audio sync issues in iTunes on your PC please follow the steps in the article below.
iTunes and QuickTime for Windows: Audio does not play or plays incorrectly
http://support.apple.com/kb/TS1362
Take care,
Alex H.

Captured Video's Audio is out of Sync

I have captured a MiniDV tape
at NTSC/48KHz via Firewire
and the Video's Audio is out of sync
in both the Viewer and Canvas
The original tape playback is fine
so I'm not sure why this is happening
My Capture Presets are correct and
I re-captured the same clip twice and
the same Sync problem persists
Please advise, thanks

Silal,
I noticed that your response, here was based on a 32 Khz audio setting. Can you elaborate a little more on why this would tend to throw audio and video out of synch?
I am capturing DV NTSC, 32 Khz video and audio, (via. mini DV tape) The clip that I am importing is one, long, 60 minute clip. Even though I have created a new setup that indicates the audio will be captured at 32 Khz, I am finding serious video/audio synch problems towards the end of the clip.
Typically I use the DV NTSC firewire, 48Klhz setting when I create a new project but I don't usually capture long clips like this. Can you offer up any suggestions on what I might try to remedy this synch problem?
The material that I am using is an already edited piece that was dumped onto miniDV tape. I need to re-capture this material to FCP so that I can re-order its segment positioning for a new DVD. The tapes have solid time code but I am getting those annoying synch issues when I review the footage after capture.
Where else should I be making adjustments to my project settings other than where I have already made them? Thanks.
Steve

I am trying to use the auto audio-sync feature. When I select the video and audio clip to be synced FCPX says its syncing them and then once finished (at 100%) no compound clip is created and the video and audio file do not sync. Any help is appreciated.

I am trying to use the auto audio-sync feature. When I select the video and audio clip to be synced FCPX says its syncing them and then once finished (at 100%) no compound clip is created and the video and audio file do not sync. Any help is appreciated.

Hi
In iMovie'11 (version 9.0.x)
on top menu row - Apple/iMovie/File/Edit/Cut (Can vary dep. on language - in Swedish Apple/iMovie/Arkiv/Redigera/Klipp . . . )
down Cut menu - Slow playback/Raspid Playback/Re-play in Slow Motion and onvards
Here one can select the Pre-Set speeds
Are you familiar with getting 'inspector' to run?
No - but I guess that Double Click on clip/sequense or ctrl-Click on it might open it.
Yours Bengt W

Final cut pro - editing music video audio falls out of sync

filmed with canon 7D- i play the music in the background for th artist to perform. upon loading up the footage into final cut, i sync the start of the video audio with the record, as they both play it falls out of sync. i did not have this problem when i edited with premiere. any ideas

Sync issues are *usually* going to be mismatched sample rates, for instance, you imported 44.1kHz audio into a 48kHz project.
This happened to me awhile back, and unfortunately, I don't remember exactly what I did to fix it. But what I *think* I did was click on the imported audio and went to the Retime menu and selected Conform Speed. If that doesn't work, right click on the audio in the event browser and select Transcode (if there's an option to do so in the dialog).
It is also possible to manually resync audio by Retiming it. Turn on snapping (N), select the clip, type Command-R and drag the audio clip's retiming handle until the end of the audio snaps with the end of the video clip (this is actually amazingly accurate.) [If your recorded audio is not the same length of the audio on the video, then set markers on the video and audio tracks and retime until the markers snap.] You should do this before any other edits.

Audio falling out of Sync after importing into PP

Hello there,
I'm relatively new to this, so please when you're helping me, dummy it down as much as you possibly can.
I've been using Xsplit to record games while I play. I recorded a ~2 hour video and toward the beginning of the video it seems to be pretty a-okay but later in the video when I play it in premier pro, the audio starts falling out of sync.
I have no idea why it does this or what to do. When I play the original raw video the audio and video are both on time.
After googling this issue for about 40 minutes (and i'm not 100% sure what this means but I have a general idea) I read somewhere that the reason why the audio was out of sync was because xsplit uses a "variable framerate".
Not sure if this is true or not, but regardless, I tried exporting numerous times and the audio STILL falls out of whack.
I looked on xsplit and there was a setting that i could enable to force constant frame rate.... is this a solution to that problem?
Please, help me.
Thank you.

If your current video file DOES use a Variable Frame Rate, it will not edit properly in any version of Premiere
Force your software to create a Constant Frame Rate file and try again
Go to http://forums.adobe.com/community/premiere and, in the area just under Ask a Question, type in
variable frame rate
or
VFR
You may now read all the previous discussions on this subject... be sure to click the See More Results at the bottom of the initial, short list if the initial list does not answer your question
The PPro/Encore tutorial list in message #3 http://forums.adobe.com/message/2276578 may also help, with more help in message #5

Audio falls out of sync with FCP sequence after export from STP

Hey all,
editing sound on a short film. sent FCP sequence to sweeten the dialog and add effects, according to the timeline it is the same length as sequence length in
FCP, but when exporting from STP to FCP to complete movie, the sound ends up being about 10 frames longer than the video and starts in sync and falls out of sync over the duration of the film.
Have tried changing preference settings in STP, exported about 5 ways to breakfast and all have same result.
Anyone have a solution to this problem?
Much thanks,
Holly

I just experienced this same thing, and as Christof says, it had to do with 'Easy Setup' and 'all formats'. I've been editing a picture shot on RED in Apple ProRes 422 (HQ) at 2K (2048 x 1152) and 24fps...FCS 3 (FCP 7 latest version). Whenever you trash preferences or start up FCP new, you get the 'easy setup' menu. Previously, I could just hit 'okay' and go ahead into FCP and change the settings/resolutions within the project...even if the 'easy setup' default was, say, DV/NTSC 29.97. Also, when opening up an active project after trashing prefs, the project itself would still have the same editing/playback settings/resolutions, even if the 'easy setup' window had its default DV/NTSC setting. Plus, if you create a new timeline and its default is one format, once you drop a different format into it, it asks you if it should adjust to that format anyway, and of course, you say yes and everything is fine.
Well....in this most recent FCP update, whenever I'd export an AIFF from the timeline and reimport....or if I'd just import an AIFF...it would do something to the playback rate of that newly imported/reimported sound file and suddenly its sync has drifted all over the place within just a minute or so. But strangely, it wouldn't do it to audio that's attached to picture (.mov/MP4/etc.)....only isolated audio files (AIFF/WAV). So naturally, I wondered if something was going on during the export process or the like.
The solution is to make sure that when you open FCP (newly, or after trashing prefs), make sure you pick the settings/format/framerate in that 'Easy Setup' window that matches what you intend to edit as closely as possible. In my case, the format is Apple ProRes 422 (HQ), 2048 x 1152 @ 24fps, and I use a Blackmagic Multibridge so I have settings for it. Hence......*Format; HD, Frame Rate: 24, Use: Blackmagic HDTV 1080P 24 - 10 bit.* Whereas the default upon startup is....Format: (all formats), Frame Rate: 29.97, Use: DV/NTSC 48KHz.
You can also set these in the 'Audio Video Settings' menu. Now, whenever I export and reimport an AIFF, or just import an AIFF (like the soundmix prepared by our sound designer), sync stays and there's no drift. So make sure you've picked the right settings when starting or reopening a project, again as Christof pointed out.

Why are my imovie video and garageband track out of sync?

Hi
I'm currently making a video of an original song for youtube. I've been recording the video in imovie and the audio in garageband. I mixed down the audio in garageband and imported it to imovie. I lined up the audio with the visual at the start of the track, only to find it gradually goes out of sync with the video. I tried a different approach, syncing up the video and audio at the end of the song. I went back to the start of the song to see how in sync it was and the audio started way before I open my mouth! Unfortunately imovie did not record any sound, so I can't use the imovie sound to sync it.
I have literally no idea how the video and audio could be going out of time! I have one video and one audio track, so it's not a mix up.
It is totally bizarre and I wonder if anyone could suggest what's caused it/how to solve it.
Thanks
Vic

First do not use the Share ➙ iDVD menu option in iMovie. Use the Share ➙ Media Browser. The former loses considerable quality in the shared movie. Drag the movie from the Media/Movies pane in iDVD into the iDVD menu window.
Follow this workflow to help ensure the best quality video DVD:
Once you have the project as you want it save it as a disk image via the File ➙ Save as Disk Image menu option. This will separate the encoding process from the burn process.
To check the encoding mount the disk image and launch DVD Player and play it. If it plays OK with DVD Player the encoding was good.
Then burn to disk with Disk Utility or Toast at the slowest speed available (2x-4x) to assure the best burn quality. Always use top quality media: Verbatim, Maxell or Taiyo Yuden DVD-R are the most recommended in these forums.
Did the footage come from a video camera? If so see Bengt Wärleby's post in this topic: video and audio out of sync when...: Apple Support Communities
OT

Video and audio fall out of sync in Captivate 6

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