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Type: Posts; User: cbrandin

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  1. Replies
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    GH2 Not exactly true. Traditional 50i is actually 50...

    Not exactly true. Traditional 50i is actually 50 frames per second - that is each "half" is captured separately from the sensor at different times. HBR mode is not actually 50i; rather it is 25p in...
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    GH2 If you consider it a "failure" when the codec...

    If you consider it a "failure" when the codec resorts to fall-back mode to avoid crashing, then even the factory (un-hacked) settings fail at times. That's why fall-back mode exists. Fall-back mode...
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    The value of the PappasArts charts is that they...

    The value of the PappasArts charts is that they represent the most detail you'll probably encounter in the real world. The determination of that, however, is entirely arbitrary. For example, if the...
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    I assume image data would pretty much have to be...

    I assume image data would pretty much have to be converted to YUV format before applying curves, saturation adjustments, etc... Hopefully, though, the reduction to 8 bits per channel happens...
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    I figured it out - it turns out that the curve is...

    I figured it out - it turns out that the curve is not applied unless active D lighting is turned off. Hopefully, the curve works in video mode with the D800.
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    Here's a picture control file that has the type...

    Here's a picture control file that has the type of custom curve I'm talking about.
  7. Replies
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    I experimented with the custom curve feature in...

    I experimented with the custom curve feature in picture control utility on my D700. For testing I created an extreme custom curve that would be immediately recognizable. It seems that the custom...
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    GH13 StreamParser v 2.6 available

    StreamParser v 2.6 is available. Lots of new features - look at "Help>User Guide" to read about them.

    You can get it here:...
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    GH2 Nobody in their right mind would characterize a...

    Nobody in their right mind would characterize a two dimensional object with a one dimensional metric in "technical" literature - that's just marketing BS. If that's how "all technical literature" is...
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    GH2 Actually, comparing a single dimension is the...

    Actually, comparing a single dimension is the more valid way to calculate crop factor, you just have to pick the right one to compare. Decide on an aspect ratio, crop image area(s) to match that...
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    GH2 I think the confusion is happening because aspect...

    I think the confusion is happening because aspect ratio is not being considered. A 35mm FF still camera has an aspect ratio of 3:2, HD video is 16:9, motion picture cameras support a wide variety of...
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    GH2 nIce to know - thanks

    nIce to know - thanks
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    GH2 Wouldn't a better comparison be NR in camera vs....

    Wouldn't a better comparison be NR in camera vs. NR in post? I can't imagine most people would shoot at 3200 and use the footage with no NR at all. Normally one would shoot-apply NR-sharpen. No NR...
  14. GH2 No need for a Parfocal optical design because...

    No need for a Parfocal optical design because zoom and focus are both electronic. The CPU can calculate how to adjust focus based on focal length.

    Chris
  15. GH2 Good point. In many cases, however... Can't you...

    Good point. In many cases, however... Can't you add well defined noise (or any kind of noise you want, for that matter) in post? I wonder if you could see the difference. It seems like there...
  16. I may have misspoken in my previous post. I...

    I may have misspoken in my previous post. I revisited the streams with native 24p checked, actually looking at the macroblocks themselves, and they are indeed all intra encoded I frames. However,...
  17. I've looked at the frames produced by setting...

    I've looked at the frames produced by setting progressive mode on the GH1. It turns out that the encoding is a little different than what you would expect with progressive footage. Normally you...
  18. GH2 High ISO and noise reduction

    The comment about bitrate and high ISO is right on the mark. I know many people suggest setting noise reduction at -2, I think in some cases this is ill advised. If there is a lot of noise the...
  19. GH1 There are different ways to determine bitrate. ...

    There are different ways to determine bitrate. Some programs show the reported bitrate - which may or may not reflect the true bitrate. StreamParser ignores all that and calculates the bitrate...
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    GH2 Nothing stupid about it. The name alludes back...

    Nothing stupid about it. The name alludes back to the original project.

    Chris
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    GH2 look under "GH13 Stream Parser"

    look under "GH13 Stream Parser"
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    GH2 Sorry, the file attached was wrong. If you...

    Sorry, the file attached was wrong. If you downloaded before now, please re-download.

    Chris
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    GH2 StreamParser 2.11 update

    This update to StreamParser fixes a bug where video bitrates were reported as negative numbers with big fast streams. Remember to uninstall old versions first. Enjoy...

    Chris
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    GH2 I don't know if anybody has gotten this to work...

    I don't know if anybody has gotten this to work on a Mac or not. Anybody want to pipe in? It does require .NET, if that makes any difference.

    Chris
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    GH2 StreamParser Update

    This is an update to StreamParser to more accurately handle GH2 files. The camera autoselect will detect GH2 files as either GHx files or GH2 files. Some of the file formats for the GH1 and GH2 are...
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