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    Untouched Motion JPEG 720/30P Sample
    #1
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    If anyone wants to host a really quick sample of Motion JPEG 720/30p I'll send you the file.

    It's just a water gun showing several different colors, somewhat lowlight.

    Settings:

    MJPEG (HD) 720/30P
    140mm @ 5.8
    1/30 Shutter
    ISO 100

    Second Clip:

    MJPEG (HD) 720/30P
    55mm @ 5.6
    1/50 Shutter
    ISO 100

    Didn't want to throw it on Vimeo because the compression is week and I haven't signed up for my Vimeo Premium Account just yet.

    It's ONLY to show the Motion JPEG characteristics, and NOTHING else.



    http://gh1.dark-stone.com/kholi/P1020079.MOV




    http://gh1.dark-stone.com/kholi/P1020080.MOV
    Last edited by Kholi; 05-03-2009 at 06:04 PM.
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    #2
    Senior Member stephenvv's Avatar
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    Huh, that looked better than I thought it would. The clips report different data rates - one is 19.7, one is 26.7. Is that settable?
    stephen v2
    "A film is - or should be - more like music than like fiction. It should be a progression of moods and feelings. The theme, what's behind the emotion, the meaning, all that comes later."
    Stanley Kubrick


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    #3
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    Nah, no change in settings. Aside from shutter, focal length and iris. It's the same ISO, same HD 720/30p MJPEG setting.
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    #4
    Senior Member Hunter Hampton's Avatar
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    720/24p MJPEG would be great!
    Hunter Hampton
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    #5
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    I've notice not too many people seem interested in the MJPEG function of this camera and was wondering why that is. Looking at this and the other footage I've seen, it looks pretty good to me. And being an intraframe codec I'd assume it wouldn't have any of the motion artifacting issues. Also the workflow seems a little less cumbersome.

    Just wondering if anyone has done a side by side comparison. If avchd is that much superior to mjpeg what are the benefits (other than file size i guess)?


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    #6
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    I want to try keying mjpeg footage from this camera. I had decent results with my D90.


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    #7
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    Quote Originally Posted by Slice View Post
    I want to try keying mjpeg footage from this camera. I had decent results with my D90.
    The image quality of the MJPEG clips above is much better than that of the D90 but I noticed that the chroma subsampling is not so key friendly. It's YUV420 according to this Mac utility: http://laurent.ettouati.free.fr/english/

    The D90 has 422 as shown here:
    http://www.dvxuser.com/V6/showthread.php?t=164518


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    #8
    Senior Member chris f's Avatar
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    Looks pretty good to me. Much better than the footage from my D90 project a while back.


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    #9
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    I haven't looked at these files in a long while... butyeah, now that I'm revisiting... a 1080/24 MJPEG at a high bitrate would make this thing killer.

    720/24 MJPEG @ high bitrate would be great too.

    It may not be "technically" onthe level as the H264 spit out from the MKii, but I'm pretty damned sure it'd match in visual quality. Add to that the better jello control. Tsk.
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    #10
    Senior Member J Davis's Avatar
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    Thanks for posting these Kholi. If you have time I would love to see an untouched mpeg showing a 'rack' focus throughout the range of the stock lens.

    Also I noticed the files you posted have 16khz audio. Any thoughts on this? Are there different audio settings on the camera or is this dependent on what mpeg you choose?
    J.Davis
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