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Washed out sky
Posted by Mike Hinkel on January 5, 2010 at 3:14 amI just put together a little 4 1/4 minute montage clip and rendered to Main Concept Mpeg 2 for DVD. It came out with the sky and clouds in many pictures washed out I did not use any FX except for a couple of light flash earlier in the piece. Puzzled to why the lack of detail. Any thoughts?
Mike Hinkel replied 16 years, 4 months ago 3 Members · 18 Replies -
18 Replies
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John Rofrano
January 5, 2010 at 11:00 amWas the sky and clouds bright in those pictures? I’m wondering if any values above 235 (236-255) got crushed to 235 and you lost detail? Try placing a Broadcast Colors filter on your master video bus with the Extremely Conservative – 7.5 Setup and see if the same thing happens within Vegas. (just a guess)
~jr
http://www.johnrofrano.com
http://www.vasst.com -
Mike Hinkel
January 5, 2010 at 12:17 pm -
Steve Rhoden
January 5, 2010 at 12:55 pmIs it pictures you rendering from the timeline?
if its that, are they of high resolution and you are
using Vegas to crop them?Steve Rhoden
(Cow Leader)
Creative Arts Director and Film Maker.
Project Samples at:
http://www.youtube.com/hentys -
Mike Hinkel
January 5, 2010 at 1:06 pmSteve, I just dropped the unedited pics into the timeline. There were other pics from other cameras on the trip that I used. I hit the match media button for a few that looked out of focus. My pictures are high resolution. Is cropping automatic in Vegas or do I have to command it?
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Steve Rhoden
January 5, 2010 at 1:26 pmAs i suspected…if you drop high resolution pictures
directly on the timeline and do your various settings
and edits, you will see resolution loss etc. in your final
render.
When working with hi-res pictures, its best to resize/reduce
them in an image editing software first. eg.(almost to the size
video you are making).Steve Rhoden
(Cow Leader)
Creative Arts Director and Film Maker.
Project Samples at:
http://www.youtube.com/hentys -
Mike Hinkel
January 5, 2010 at 1:33 pmThanks Steve, Another problem solved for the file. Would that resolution be the same as the .mpg for DVD 720×480 or whatever it may be?
Thanks again!
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Steve Rhoden
January 5, 2010 at 2:25 pmYep…resize your images close to the video aspect/size you
will be producing….There is a bit more to it, but that’s it
in a nutshell.Steve Rhoden
(Cow Leader)
Creative Arts Director and Film Maker.
Project Samples at:
http://www.youtube.com/hentys -
John Rofrano
January 5, 2010 at 2:30 pmThe problem is exactly as I suspected. Your luminance is way out of range. Open the Video Scopes and you’ll see that your blacks go below 0 and your whites go above 100. I rendered your middle image to MPEG2 and saw the clipping. I then dropped the Broadcast Colors plug-in on the image with the Lenient setting and the whites were all crushed in the Vegas preview window just like in the MPEG2 rendering.
The solution is to use the Levels plug-in with your Video Scopes to bring your luminance within the legal broadcast limits (between 0 and 100 on the scopes). Since your photos are over the limits use the Output start and Output end settings to do this.
Since this will be different for every photo, what you really need to do is batch process these in Photoshop CS and run the Broadcast Safe action on all of them. I would also resize them to no more that 2x the output resolution (that would be 1440×960 for 720×480 output)
~jr
http://www.johnrofrano.com
http://www.vasst.com -
Mike Hinkel
January 5, 2010 at 3:38 pm“There is a bit more to it” is an understatement, lol! I’ll keep playing and hopefully find my way around the program. I really appreciate the help.
Thanks again
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Mike Hinkel
January 5, 2010 at 4:26 pmJohn, I don’t know how I missed your second reply. Thank you for doing the investigation and coming up with a solution. I can’t thank you guys enough here… Every time I open the program I am learning something, but the help here is awesome. I don’t want to be a thorn in anyone’s side. I hope to get good at this.
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