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TOPIC: The jitters

The jitters 3 years, 2 months ago #384

  • Adus
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I have a premo 12 gb Apple Pro Res 422 HQ rendition of my video that meets my highest standards....

I sent it to the compressor with DVD 90 Min best settings

Name: MPEG-2 6.2Mbps 2-pass
Description:
File Extension: m2v
Estimated file size: 2.94 GB/hour of source
Type: MPEG-2 video elementary stream
Usage:SD DVD
Video Encoder
Format: M2V
Width and Height: Automatic
Selected: 720 x 480
Pixel aspect ratio: NTSC CCIR 601/DV (16:9)
Crop: None
Padding: None
Frame rate: (100% of source)
Selected: 29.97
Frame Controls: Automatically selected: Off
Start timecode from source
Aspect ratio: Automatic
Selected 16:9
Field dominance: Automatic:
Selected Progressive
Average data rate: 6.7 (Mbps)
2 Pass VBR enabled
Maximum data rate: 8 (Mbps)
High quality
Best motion estimation
Closed GOP Size: 15, Structure: IBBP
DVD Studio Pro meta-data enabled

I put it through the paces in DVD Studio Pro

"When I play it there is a noticeably pulsating semi pixelated one minute section right in the middle of it that drives me nuts".
Same place on different DVD's, and different machines.

Is there something I am missing, or adding that may be the cause?
Thanks
A.

Re:The jitters 3 years, 2 months ago #385

  • TheVizh08
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Re:The jitters 3 years, 2 months ago #387

  • Tucker
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A few things could be going on. When you say I made a "PREMO" file, what are your settings? Compressor is pretty smart and can figure the settings out every time. When you drop the file into compressor (and I'd advise making the external Quicktime also) then just drop the setting on and don't make any changes to the settings. Compressor will figure it out.

Another thing you could try (though I don't recommend this always) is you could put the quicktime in DVD studio pro and let it do the compression. It If you are getting it at different places on different discs and machines, then it sounds like either bad media (what is the brand of the DVD) or burned at too high a speed (make a disc .img and burn in disk utility at around x6 or lower then your disc is rated). Or it is too high of a bitrate and you are getting bit rate spikes. You could get really scientific and run it through a bitrate calculator, but only if it comes down to that.

Hope that helps, I can elaborate on any of this if necessary.

Re:The jitters 3 years, 2 months ago #389

  • C_S_Clark
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Adus,

Did you try the suggestions yet? Have you figured it out? We'd love for you to share!

Thanks, and congrats on the Automatic Duck Software at the meeting!
We cannot solve our problems with the same thinking we used when we created them.
Utah Video Production
Utah Film Company

Re:The jitters 3 years, 2 months ago #390

  • Adus
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Yes, I reworked my video in compressor using some of the suggestions like the self contained movie and also working with different bit rates, and I can report at this time I can now sit back and watch the video without the shakes, Thanks for the help.
Great that there is a place to come to get some help to solve some FCP issues.
The Automatic Duck Software raffle was a real bonus at the March 5th meeting, you just never know what is going to happen at the meetings unless you show up, Thanks....
A.

Re:The jitters 3 years, 2 months ago #391

  • TheVizh08
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Adus, That is what we are here for. I am glad you got it working.
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