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Activity Forums VEGAS Pro Mp4 and WMV – different colours after rendering

  • Mp4 and WMV – different colours after rendering

    Posted by Anna Merry on February 26, 2014 at 12:19 pm

    Hi!

    It’s really strange. Why does Sony Vegas render different colours while useing different formats? When I use mp4 it’s darker than colours in the preview screen on SV, but if render wmv everything it’s ok…
    In the settings I put the option “adjust levels from studio RGB to computer RGB”.

    What should I do?

    Norman Black replied 12 years, 2 months ago 3 Members · 2 Replies
  • 2 Replies
  • Ryan Mcrobb

    February 27, 2014 at 1:49 am

    I would like to know the answer to this too.
    I actually have a issue with wmv files turning a little orange in the rendering process.

  • Norman Black

    February 27, 2014 at 3:20 am

    You have a levels problem. I don’t know about the specifics of WMV, I have never encoded to it, but for output with Sony AVC or Mainconcept AVC and most video players the video data needs to be in the studio range. Not full range. It sounds like WMV wants full range. Different encoders may want different input values.

    If the video data is full range with AVC MP4 then the video player will expand the already full range data and your blacks will be crushed and highlights clipped.

    If your video data is in studio range already. Then the vegas preview will need an adjustment to computer levels for accurate display and the encode to AVC MP4 will not want the adjustment to computer levels.

    To verify what you camera outputs you need to use the video scopes. DSLRs and GoPros output full range. Other cameras I don;t know.

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