MovieFactory 7 audio and video WAY off

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apeplins
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MovieFactory 7 audio and video WAY off

Post by apeplins »

Problem: The video and audio of my burned DVD are off by a lot... probably about 2 minutes at least.

I have captured a couple of videos (I have tried .MPEG 2/4 and DVD in the capture to see if the source file made a difference). The captures play great and the audio and video are synched up perfectly. They are about 2 GB's a piece, though I tried burning just one and still had the same problem. These files are stored directly on my computer.

I have tried various project settings. I have a menu, I have Do not convert compliant MPEG files checked, I have tried checking and unchecking Treat MPEG audio as non-DVD compliant, I have tried checking and unchecking normalize audio, I have tried burning just the iso to a hard drive and to a DVD (NTSC).... all still the same problem!

The only error codes I receive are when I try to normalize audio, that almost always crashes (but I got it to go through once) with an error something along the lines of 'Rendering had errors'. And that's about it. Otherwise it burns just fine, but the audio and video are hopelessly not matched up. Again, I've tried different input sources and the source files are synched perfectly. Please help!!!
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Ron P.
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Re: MovieFactory 7 audio and video WAY off

Post by Ron P. »

Welcome to the forums, :)

OOS (Out Of Sync) audio and video is one of the inherent problems faced when editing and subsequently authoring DVD video discs. The easiest format to edit and not have much risk with OOS, is DV (avi). It is considered a loss-less format. While MPEG-2 video is the format required by the International DVD Specifications for DVD Video Discs, the attributes of, frame sizes, Bit-rates, audio codecs and file size must be met as well. Any attributes that do not fall within the specifications, will cause DVD MF to re-encode them. The higher the compression the greater the risk of OOS.

With a DVD authoring program like DVD MF, to minimize the risk of OOS, all your titles (clips) should be DVD Compliant MPEG-2. When they are, and you have the box checked to not convert compliant MPEG files, then they will not be converted. I'm not 100% sure, but adding the MPEG-4 video clips may be what's throwing things off.

What project settings are you using? The combined video and audio bitrate must be no greater than 10,000kbps. You really do not gain any quality when you try to push the envelope with the bitrate. I keep by video bitrate to no greater than 8000kbps, and use Dolby Digital where possible.

Another problem can be due to the burn speed. Burning the disc at the fastest speed can result in problems. There is a major flaw in DVD MF7, it does not allow you to alter the burn speed.

Try creating DVD folders instead of burning a disc. Press the double downward arrows found on the burn page, which reveals the other 2 options of Creating Folders and ISO file. Once you have created your DVD folders, use a software DVD player to test your finished product and see if the OOS issue is there. If not you can then burn those folders (actually you need only burn the VIDEO_TS) folder to a disc, using the Burn.now application that comes with DVD MF7 Pro. It should allow you to set your burn speed to something lower.

Could you post the properties of your video clips? How did you capture them, using what hardware setup? If you ripped DVDs, then you're working with at least a second generation file, and OOs, and loss of quality are two of the most experienced problems.
Ron Petersen, Web Board Administrator
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