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Canon XH Series HDV Camcorders
Canon XH G1S / G1 (with SDI), Canon XH A1S / A1 (without SDI).


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Old February 20th, 2008, 02:10 PM   #16
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Screenshots

Okay, the first image was shot in DV and rendered in DV.
The second image was shot in DV and rendered out to SD Quicktime H.264
The Third image was shot in HDV and rendered in DV.
The Fourth image was shot in HDV and rendered in SD Quicktime H.264.

The last two images are the most telling since the first two, being shot with DV look nearly identical (I.E. the softness is in the source), though the second file is probably a bit softer. However, the second set of images shows that bypassing the DV Codec entirely results in a perceptibly sharper image. At least it does in Premiere Pro CS3. Anyone else have this experience? Thanks.

P.S.
The difference is even more pronounced when they're moving.

P.P.S.
There's now a second set of the same images in Jpeg format for those who want to open the images in their browser.
Attached Thumbnails
Shooting in HDV for SD-cofp_dv_in_dv_out.bmp   Shooting in HDV for SD-cofp_dv_in_qt_h_264_out.bmp  

Shooting in HDV for SD-hoodoo_hdv_in_dv_out.bmp   Shooting in HDV for SD-hoodoo_hdv_in_qt_h264_out.bmp  

Shooting in HDV for SD-cofp_dv_in_dv_out.jpg   Shooting in HDV for SD-cofp_dv_in_qt_h_264_out.jpg  

Shooting in HDV for SD-hoodoo_hdv_in_dv_out.jpg   Shooting in HDV for SD-hoodoo_hdv_in_qt_h264_out.jpg  

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Last edited by Alex Chamberlain; February 20th, 2008 at 04:43 PM.
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Old February 27th, 2008, 11:00 AM   #17
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Alex,

You did a great job of capturing the down-conversion between codecs perfectly. Do you have any screenshot comparisons of faster motion?

H.264 is vastly superior to the DV codec in Premiere, but your examples really vividly display it.

I'm pretty sure Premiere CS3 doesn't have it yet, but I wonder if the ProRes 422 codec can produce a better image, or whether any difference isn't noticable...
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Old February 28th, 2008, 10:19 PM   #18
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I don't really have any faster motion captures. This shoot was pretty much all stationary shots of the talent in front of landmarks.
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Get rid of the "Aspiring" in "Aspiring Filmmaker." Shoot it; you're a filmmaker. After that you're just negotiating your budget. (James Cameron paraphrased)
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