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  • Visual levels are different between rendered and preview

    Posted by David Katauskas on January 19, 2010 at 6:49 pm

    Whenever I am editing and using the preview screen, the levels are exactly where I want them. However, after I render the video, the visual gain is much higher.

    How can I get the rendered version and the preview version to match?

    Graham Bernard replied 16 years, 3 months ago 4 Members · 12 Replies
  • 12 Replies
  • Mike Kujbida

    January 19, 2010 at 8:16 pm

    Vegas, like most NLEs, is a “the levels you see are the levels you get” editor.
    What format are you rendering to and how are you judging this difference?

  • David Katauskas

    January 19, 2010 at 9:13 pm

    It is mostly noticible in WMV 9, but also in AVI. Even the crushed blacks become grey. I will post a screen print later to show the difference…it is fairly significant.

  • Mike Kujbida

    January 19, 2010 at 10:17 pm

    If you’re rendering to the same AVI codec (DV-AVI?) that you started with and didn’t apply any image-altering FX, there won’t be any difference.
    You will see a difference depending on what player you’re using as they will affect the playback image quality.

  • David Katauskas

    January 20, 2010 at 1:27 am

    Mike, thanks for taking the time to respond. It is truly appreciated.

    Based on what you said, I installed a different player (Nero) to compare to Windows Media Player. What I noticed was very strange; each of them exhibited the increased gain when played seperately. However, when I opened the first player, and kept it open, then opened the second player, it look correct.

    So, until I figure this out, I guess I’ll need to run 2 players at the same time to get the correct results. If anyone knows of a solution to this bizarre issue, please let me know.

  • Mike Kujbida

    January 20, 2010 at 3:31 am

    David, if your projects are ultimately destined for DVD playback on a TV, than that’s where you should be viewing them (properly calibrated, of course).
    If it’s for the web, then everything I said goes out the window as you have no idea what player your viewer will be using.

  • David Katauskas

    January 20, 2010 at 4:32 am

    Mike, you are absolutely right. I had a knee-jerk reaction when I saw the differences in the player. All is better now…thanks a ton!

  • Mike Kujbida

    January 20, 2010 at 11:55 am

    I have no idea exactly what I said that helped but I’m glad that whatever it was did help.

  • Terry Esslinger

    January 20, 2010 at 7:57 pm

    Mike, I think that most people have a tendancy to blame the media that they are watching rather than what they are watching it on or with. You simply pointed that out. It really seems like a waste of time to take pains to get colors, intensity etc “just perfect” because you have very little control -if any- over what the viewer watces it with or on and how they are adjusted. If you just get it in the ball park you are probably satisfying as many people (except yourself) as you would if you took great pains to ‘get it right’. Thats not to say you should work sloppy, just that it might not matter.

  • Mike Kujbida

    January 20, 2010 at 9:00 pm

    Thanks Terry.
    I’m fortunate enough to have a 15″ JVC broadcast-grade SD CRT monitor in each of the edit suites at my work place.
    It’s properly calibrated each day (a very quick procedure) and this becomes my video reference.
    Not what I see in the Vegas preview window or Windows Media Player or Media Player Classic or VLC but what it looks like on the JVC.
    If it looks good in there, my job is done.
    I don’t care if it’s going to DVD, the web, an LCD or plasma set or even a video projector.
    The JVC is my video reference and I plan to continue using it for a long time to come.

  • Terry Esslinger

    January 21, 2010 at 9:00 pm

    Mike,
    I too corrrect to a JVC crt broadcast monitor, even though I just do this as a hobby, I like to think that I am doing it somewhat right. But theres a certain number of people that will comment that the colors seem wrong when they watch something I have done. Invariably its because of what they are watching it on or more precisely how they are adjusted. I just get tired of having to explain this or adjust their set, which they probably almost immediately adjust right back when they go back to watching television, etc. So many variables with so little control.

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