Syncing audio/video

I have a project that has gone through a whoop or two and now I finally got it. But the problems was: I had to recapture deleated media into a fcp hd project file and when I reconnected them they were a few frames off. I have gone through and corrected all this manually, with all clips being off either 3,5,18,21 frames off, random. My question is how do I know what went wrong, audio or video. when correcting it seemed like both were off at times their are about 10 tracks on the timeline so it is hard to tell. also wondering if there is a fix to prevent this from even happening? I captured with the same camera too.

You need to post details about your system for anyone to be able to troubleshoot your problem. But... Here are a few basic things. Make sure "abort capture on dropped frames" and "create new clip on timecode break" are enabled in the user preferences. Also, firewire control is supposedly not frame accurate so you may see a few frames drift. But nothing to the degree you are reporting.

Similar Messages

HELP .... HD FILES OUT OF SYNC AUDIO&VIDEO

Hi, everybody. This is my problema.
I Have some files in HD, this files plays without problem in Quicktime,
but in FCP are out of sync audio and video. I have this problem only with a HD Files. About a week this worked fine in FCP, but i charged FINAL CUT STUDIO and the problem apears.
PLEASE HELP ME.

Ok thank you SHANE for your answers.
I didnt explain the situation complete, sorry.
This is the story:
Im a new in a MAC WORLD'S and of course in a FCP too.
I never edited in HD (HDV1080i SONY HDR-FX1)
But i have to work ...
I HAVE a G5 QUAD CORE 2.5 512 MB RAM
and i buyed final cut studio 5
I installed the FCP Version 5.1 and i dont have any problem with captures HD FILES, editing or playing in FCP version 5.1 ** BUT*
I updated FCP 5.1 to 5.1.2 and the problems appaers
only in HD 1080i FILES the audio is out of sync video in a VIEWER and CANVAS
Some people says me that problem is RAM problem (may be i ahve 512MB)
But i think
1. May be is a configuration problem OR
2. Software problema
I hope be explicit.
Please help me.
SORRY for MY English.
Gabriel

Sync audio+video files (=TB's) between Mac+PC

I used Chronosync for many years to keep our drives in sync at work+home, mirroring audio+video data
usually ranging in the 1/2 to 1TB, all on Mac drives.
Now we're moving to an AVID ISIS storage (networkable) and CS isn't able to understand the fact
that the ISIS doesn't keep MAC modification dates (for example) and wants to sync every file, all the time.
I've reached out to Econtechnologies but in the meantime, is there other software out there ?
Obviously cloud based solutions will not work, we'd need way to much space.
Thanks,
Benny.

Hi Raoul,
Welcome To The Apple Discussion Pages.
If you mean you are trying to do Audio only chats with a PC which is using AIM 5.9 or 5.5 then it will not work.
The AIM application has never been able to do Audio Only chats to iChat
One end needs to have a camera (preferably the Mac end).
The PC end stilll needs to do the "Tuning" after getting to the Porperties.
They may also need to enable the application through the XP firewall.
And it goes without saying they have to be on XP.
11:15 PM Thursday; March 9, 2006

Need Assistance with syncing audio/video

Alright, I hope you guys can help with this because I've looked high and low and can't find any answers.
Here's what I'd like to do. I'm using Premiere CS3 to edit HD footage shot on a Panasonic HVX2000 (in .mxf format). Audio was recorded separately on a Marantz solid state recorder.
I bring the video clip into the timeline, and then delete the onboard camera audio. Then I bring in the audio from the Marantz. Using the slate I sync the audio and video together. Then I link both files.
NOW...
The problem comes with what to do next. What I want to do is create a new subclip that features the synced audio and video. I want to be able to go through my footage, sync all the sound, put these combined files back into a bin for later.
OTHERWISE... the way I see it, I'd have to re-sync every time I wanted to bring in another instance of that clip... or have an instance of EVERY CLIP in my film on the timeline at once for me to pick and choose from.
In Final Cut Pro (which I had at school but don't have now), you could just drag the linked audio and video clips from the timeline to the Project window and it was automatic.
Can someone PLEASE help me figure out the equivalent function in Premiere? Even looking in the user manual there's a heading for creating subclips from the timeline, but then there's nothing under the heading explaining it.
Thanks in advance!
-Nick

You can use a
nested sequence to accomplish what you want.
Cheers
Eddie
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Out of Sync Audio/Video

In Flash CS4 my audio is running faster than my video and then about the middle the sound ends but the video keeps playing.
This is imported flv file.
I am using progressive download and external videos at 24fps.
Any help appreciated.
Thanks
Dave

Yeah sorry I confused the entire thread.
At first my videos were out of sync probably because the owner kept on sending me different video types, i.e. .mov. .m4v etc of which only the mp4 played ok after converting to .flv.
I asked him to send me only mp4 and now I converted them to flv per your instructions and everything is working ok now.
The flv's are the ones that I am using with your video gallery now and so far they are working fine. These flvs are located in folders and dynamically loaded into your video gallery using the xml file (content.xml)
Hope this clears it up or let me know. I know I am not too technical in my explanation just trying my best.
Dave

Grouping synced audio + video clips into one clip?

I've been asked to edit some footage together that was shot by some other people. They recorded the audio separate from the video on a Marantz device, but they used a clapboard to mark everything so it shouldn't be too much of a problem to sync the audio files with the video files.
I can do that in the timeline, but I'd like to know if I can take multiple audio files and sync them with the one large video stream and have them treated as one single clip so I can easily cut them and put them in the timeline as usual?

Just put them all in to a timeline and when you have them synced properly export the timeline as a reference or self-contained quicktime and re-import that file.
Caleb

Problem syncing audio/video.

I don't know what is going on, but when I export a movie there is always a delay in the audio. I don't have any plug-ins loaded.The delay only appears when I play the movie in Quicktime. When I play it in VLC the audio and video are not in sync even I synced them in Logic. That makes me think, that Quicktime plays the synced and unsynced audio simultaneously.

Hey Ari,
I was having a similar problem perhaps and this is what I did to fix it.
timothymckean
Re: iMovie '11 audio sync issues since 9.01 patch
Jan 24, 2012 12:11 AM (in response to Urban Shocker)
Hi All,
I've been dealing with this sync problem tonight as well and here's what I found that worked.
I noticed that the audio sync was fine when I viewed in Quicktime 7, but not in iMovie. I also noticed there was a small indicator on the clips in iMovie notating that the source clips were in 17 fps, not 30 fps. This is odd because I recorded the clips using the FaceTime HD camera right into iMovie and it never gave me the option for framerate on the recording. Viewing the source video in Finder I also realized that the codec for the source was Photo Jpeg... yuck. Who's choice was that.
Using MPEG Streamclip (free video converter) I converted the source video clip to a Quicktime .mov at 30 fps and using the Apple Intermediate Codec and all the audio sync issues were fixed. Didn't have to optimize, detach, or - most importantly - re-edit anything. Apple's editing systems love Apple Intermediate Codec (AIC), I don't know why they don't import in this codec by default.
** Download MPEG Streamclip from http://www.squared5.com/

Syncing Audio & Video is my process wrong

G5 dual 2.0 Mac OS X (10.4.3) I am creating video scrapbooks with pics and vid to music. I rough out my length, add my songs. I don't add transitions yet because they make the pics harder to tweek. I Ken Burns the pics as I want, then add transitions and the timeline changes drastically. It's now way too short for example. Crossfades change clip length. Is there a default I have to change or a better workflow I should follow to get better results?

Hi Bigfish:
Welcome to the discussions.
or a better workflow I should follow to get better results?
Yes, I think that is the answer.
This is just my opinion, but after years of using all of the versions of imovie, I have found the best workflow for me is as follows:
*Make a plan-what do I want to accomplish?
*Import all video to clip pane Then Save Project
*Import any backgrounds needed (for ttlte work, etc)to the front of the movie Then Save Project
*Begin dragging down the clips, editing each one as I do Then Save Project
*Add any titles need on the individual clips Then Save Project
*Add Transitions and /or Effects Then Save Project
*Edit audio volumes on the original imported clips by extracting audio and using edit slider Then Save Project
*Add music to sync with final product. Then Save Project
Just my way-not necessarily the right way, but it works.
Sue
iMac G5 1.25GB 20FP & iMac G4 800MB 17FP Mac OS X (10.3.9) Superdrives & 1 G RAM all around

Audio/video out of sync (audio delay) with PowerBeats wireless earphones.

I am having a problem with audio/video sync between my PowerBeats Wireless earphones with my MacPro and MacBookPro. I have tried pairing, playing the video, pausing the video, turning off the PowerBeats, tuning the PowerBeats on, then starting the video playback again. I have the same audio delay so this not working for me. Anyone have an update as to how to fix this audio/video sync problem?

I am playing MPEG-4 movie files. I did open MPlayerX from my dock, then pulled down File to select Open which then did show the folder where these movie files are stored. Then I was able to select a movie file, open it, and use "Decrease Audio Delay" to closely sync the audio with the video. I say closely because it is not perfect. Rather than stepping each increase or decrease in one tenth of a second, perhaps a finer adjustment would have been in milliseconds. This is the adjustment that I have with my AVR to sync the audio with the video, so I know this is a possible increment adjustment. The perfect adjustment was in between -0.4 and -0.5 second,however, this was not possible in one tenth second adjustments. The closest adjustment was with -0.4 second rather than with -0.5 second. So, adjustments in milliseconds could have been very near a perfect sync. Perhaps later versions of MPlayer will offer the adjustment selection in milliseconds. Nevertheless, this is working much, much better than before. Thank you so much. I have spent most of this day researching this problem and you have come up with by far the best solution. This problem goes all the way back to 2010 and possibly beyond for Apple products. There are hundreds of reports documenting out of sync audio/video issues with no solution that works as well as MPlayerX. Even the Beats support staff have no idea of how to resolve the audio/video out of sync.

Audio loses sync with video on HD footage (CS5.5). 'MPEG decode error'

HI All,
I'm trying to cut this vox pops video together but the audio seems to lose sync. i noticed that there was a red circle in the bottom right of the screen with a cross in the centre. After clicking on it, i was greeted with this message...
I have a fairly powerfull machine so I'm unsure as to what the problem is. Any suggestions as it's making this task virtually impossible!!!
machine specs...
Please, any help appreciated!!!

Had this occasionally myself.
For me it was drop-out on the tape (at the very start of some sections luckily), even though CS5.5 did not register any drops when capturing.
If you're not using tape then you've got a card error. Checkout the video at or about Frame 32106. Check out the source material. Although Windows 7 Media Player is likely to show no errors and with your audio in sync - very mis-leading - a false positive.
Fix for me was to simply re-sync audio/video manually but upstream of the error. If not, you will likely find you will also get export errors when trying to export via AME.

IDVD 08 audio/video sync drift toward end of DVD movie - fix/workaround?

Anyone know how I can fix this issue? It's driving me crazy.
I've just spent a few evenings in iMovie 08, editing together the video of my son's birth. All looked & amazingly good in iMovie. The "Large" .m4v file output by iMovie - Shared with the Media Browser - plays perfectly in Quicktime too.
However, after adding that shared movie to iDVD 08, and burning a DVD, I noticed that the audio sync drifts toward the end of the Movie when plated back. At the start of the DVD all seems well, but by the end of the ~1hr 20 minute movie the audio is unbearably out of sync with the video. Completely unwatchable.
After a little Googling I came across some reports that iDVD might not deal well with video that's been recorded with 12-bit audio. I've confirmed that my camcorder is (was!) set to 12-bit rather than 16-bit (the default, I'm sure). So if that's the problem I'm hosed... it's not like I can get a retake on that footage
Is there a reasonable workaround for this issue? I'm obviously unable to re-take the video (or the other 10 hours of DV video tape I've yet to use in an iMovie project). Ideally I'd like Apple to release a patch for this. Shouldn't it be possible for iDVD to account for audio that was originally recorded in 12-bit... even if it's just a checkbox you have to select to tip it off?
Then again, perhaps this is totally unrelated to the 12-bit issue, and this is just a run of the mill bug?
As I said... iMovie generates a MPEG4 video file of the Movie that looks/sounds perfect, so it seems this sync issue's being created somewhere in iDVD as it's rendering the audio/video to burn to the DVD...
Thanks in advance.

I've tried most of the options I can think of, and the audio sync drift issue continues on this ~1hr 12 minute iMovie/iDVD 08 project.
A couple of promising ideas tried used QT Pro, to export the audio track from the iMovie generated MPEG-4 file - as a WAV file, resampling to 48kHz and 16-bit... then Adding this back to the video track in the MPEG-4 file (having deleted the original audio track). In another test I also tried the Add to Selection and Scale option. Oddly enough I think the Add to Selection and Scale attempt generated more sync issues than before in the final DVD movie... so I stuck with the MPEG-4 file containing the video track and the added, resampled at 48kHz & 16 bit, WAV audio track.
This was saved as a self contained Movie file, producing a QT .mov file. I moved this .mov file into the iDVD projects directory structure so that it was avalable in iDVD's Media Browser. I then reworked the iDVD project to use this QT large.mov file, instead of the original iMovie large.m4v file.
As a reminder... the original large.m4v file has the following properties:
29.97 FPS H.264 Decoder, 960 x 540, Millions
AAC, Stereo (L R), 44.100 kHz
0:01:12:07.16 duration
The resampled and saved QT MOV file has the following properties:
29.97 FPS H.264 Decoder, 960 x 540, Millions
16-bit Integer (Little Endian), Stereo, 48.000 kHz
0:01:12:07.16 duration
BOTH versions of this Movie file play flawlessly within QT Pro... there's no audio sync drift evident toward the end of the movie unless I use iDVD 08 to burn either movie file to a Physical DVD (or DVD Disk Image). In both cases the resultant DVD Movie exhibits significant audio sync drift as the ~1hr 12 minute movie progresses. The sync goes out by ~ <= 1 second based on a rough visual assessment.
I've not yet tried to burn either the original iMovie produced MPEG-4 video file or my QT Pro tweaked audio track .MOV file version to a DVD on my PC...
... But I have used an application called Burn (referenced in this earlier/archived iDVD sync drift forum post: http://discussions.apple.com/thread.jspa?threadID=1332100 by user F Shippey - http://burn-osx.sourceforge.net/) to take the QT Pro tweaked .mov file version of the original MPEG-4 file and burn it to a DVD...
Results:
The Burn app burnt DVD plays with NO audio sync issues!... Even though it was generated from the same audio tweaked (48kHz/16-bit resampled) QT Pro .mov file.
However, whenever I burn a DVD using iDVD 08 the audio sync gradually drifts. It matters not whether I use the original iMovie 08 generated MPEG-4 movie file, or the QT Pro version of that file with the resampled audio track (the same one that works fine with Burn).
It sure looks to me like iDVD has a problem... Again, refer to http://discussions.apple.com/thread.jspa?threadID=1332100 for someone else who seems to have run into similar challenges.
Am I overlooking something?
Thanks in advance.

Audio / video sync issue in playback

for every recording i've made, when i play back the archive there is noticable lack of sync between the audio and the person's mouth. the video seems to lag behind by almost a second. the good news at least is that the delta is constant.
has anyone else experienced this? it's happening in any scendario i try, even if i'm just recording myself.
is the LCCS dev team aware of this? since audio and video streams are recorded separately, is there any way for me to programatically 'nudge' the streams into sync?
it's currently a show stopper, it looks really bad when the sync is so obviously absent.

finally getting back to this..
i did as you suggested and recorded a video of myself using the recording and playback examples provided with the SDK (the 2.2 newest version btw).
the de-syncing of audio and video is definitely there. it seems especially bad for longer recordings. however, an interesting thing i discovered in playback:
- sometimes, if i drag the playhead somewhere in the recording, pause, and then hit play, video and audio fall into sync.
- if i start playback from the beginning of the recording, audio/video is always out of sync.
i understand that the video and audio streams are recorded separately and thus played back separately. my guess is that when those streams are retrieved and playback begins, one starts before/after the other because they're not retrieved at exactly the same time. it seems some extra work is required to ensure that their playback commences at exactly the same timestamp within each stream.
i can provide my recordings as an example if required.
this is a total showstopper for me. it renders the entire recording service useless if the playback can't have sync between audio and video. i would be happy to help with testing this more. can someone from the LCCS team comment on this issue?
thanks
adam

'Source play' and 'audio-video sync' problems with PE8 on fast WIN7 64 bit computer

I am transferring Hi8 videos, about 2 hours long, to my WIN7 64 bit computer with PE8. [Dell Mobile Precision M4400 Computer Workstation (Intel Core 2 Duo T9900 500GB/4GB); NVIDIA Quadro FX 770M, 512MB] I seem to have several problems:
First, after importing the file (.avi), I get a message about ‘dropped frames.’
Secondly, when I try to play the video in the source monitor, the audio plays but the video doesn’t; it only shows the first frame [this is after waiting until the video is ?recognized? ] I can use the shift-arrow key and see that the video is there.
Thirdly, I can play the .avi file in other players, e.g., avidemux or PE pro CS5 on another computer. There, I see that the audio and video are not in sync; the audio can be up to 300 ms ahead of the video (as determined using avidemux).
Questions:
1. Why doesn’t the source monitor play the video? Is this a problem with PE8 (latest update as of 3 March 2011) on aWIN7 64 bit computer (intel duo core. 3 GHz).
2. Is the audio-video sync problem the result of the ‘dropped frames?’ How can PE8 correct this? Avoid this? Or, is it coincidence?

"I think you're telling me you're using a backwards compatible Digital8 camcorder to capture your video as DV-AVIs. Is that right?" YES
"Are you using Premiere Elements to do this capturing?" YES, AS ABOVE PE8
"Go to the File menu and select Properties. It should show a standard DV codec being used for your video and audio."
WMP v12 is dumb. Under properties, media, it says 'video.' However, avidemux gave me the information state above: video -- Codec 4CC: dvsd, frame rate: 29.971 fps; audio -- codec: PCM, channels: Stereo, frequency: 48 kHz.
So, back to the Questions:
1. Why doesn’t the source monitor play the video? Is this a problem with PE8 (latest update as of 3 March 2011) on aWIN7 64 bit computer (intel duo core. 3 GHz).
2. Is the audio-video sync problem the result of the ‘dropped frames?’ How can PE8 correct this? Avoid this? Or, is it coincidence?

Audio/Video sync drift in Premiere CS5.5, but not in CS6

I have a QuickTime file with the following specs:
Video: H.264, 854x480, 29.99fps
Audio: AAC, 44100 Hz
When I open the file in QT player, or in Adobe Premiere CS6, there is no issue with Audio/Video sync.
However, when I import the file in Premiere CS 5.5, there is a drift in the Audio/Video sync.
Is there something I can do in Premiere CS 5.5 to avoid or fix the drift?
Thanks.

I had a similar problem and these are the steps I took to fix it.
First I deleted the files in "Adobe Premiere Pro Preview Files" for the project in question. I reopened Premiere and it appeared that deleting those files didn't seem to do anything as everything in the project looked the same.
I then disconnected the drive with the footage on it and opened Premiere. When it asked where the footage was, I told it to Offline All. I then went into Preferences > Media and hit Clean for the Media Cache Database. This had to be done because it only cleans the cache for files that are no longer connected with the project (as noted above). I closed and reopened the project, selected everything in the Project window, right clicked and chose Relink Media. I located one file and it relinked the rest automatically.
Now, finally, Premiere is re-conforming all the audio. Hooray!

Premiere Elements 11 Audio & Video are not in sync

I am using Premiere Elements 11 for editing sermons, and recently I have noticed that in all of the finalized videos the audio and video are out of sync about half-way through the sermon. I know it is not the DVDs since they have no issues when running in a DVD player or with Windows Media Player. The DVD's that are formated after service break the sermon into three files. The files, after importing them to Premiere, read "VTS_01_1. VOB, VTS_01_2. VOB, VTS_01_3.VOB" The first file runs fine with no delay, but the last two consistently are off. When I first installed this program I had no trouble with this so I am wondering did I change something or is there a better way to do this.

terriCCC
Is your Premiere Elements 11 on Windows 7 or 8 64 bit?
How are you getting those VOBs to the Expert workspace Timeline?
Are you placing your DVD in the DVD burner tray, opening Premiere Elements 11 to use its Add Media/"DVD Camera or Computer Drive"/Video Importer with "Add To Timeline" and the ripped VOBs select in the Video Importer dialog? Or, other?
Please clarify what you are exporting your Timeline to for this playback that is out of sync...file saved to the computer hard drive or to DVD-VIDEO standard or widescreen format on DVD disc. Are you setting the correct project preset? If your DVD represents DVD-VIDEO standard is your project preset NTSC DV Standard; if your DVD represents DVD-VIDEO widescreen is your project preset NTSC DV Widescreen?
Each VOB cannot accept more than 0.99 GB. So, when more data are involved, another VOB is generated. Right now it looks like you have 3 x 0.99 GB on your Timeline. What total duration are you seeing? When you get to the burn dialog for one of these projects, what are you seeing in the burn dialog for Space Required and Bitrate.
When quality and out of sync audio occur with the ripping of the content into the video component VOBs, some have tried a seamless DVD.vob approach (combined VOBs in one file) using the computer Command Prompt and then importing the DVD.vob instead of the individual VOBs. I have written about this in a blog post.
http://www.atr935.blogspot.com/2013/09/pe-dvd-videoseamless-vob-ripping.html
I do not know if we are ready for this just yet.
Let us confirmed the details of what you are doing now as per the questions that I have asked.
Please do not hesitate to ask if you need clarification on anything that I have written.
Thank you.
ATR

Syncing audio/video

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