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Canon XL H Series HDV Camcorders
Canon XL H1S (with SDI), Canon XL H1A (without SDI). Also XL H1.


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Old March 23rd, 2006, 05:23 AM   #1
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Grass Valley Infinity recorder HD SDI

Anyone tried one of these on a XL H1?
Jpeg 2000 seems to hold up very well.
Price should be less of 10K.

Take a look:
http://www.thomsongrassvalley.com/do...ro/GV-2048.pdf

Asa
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Old March 23rd, 2006, 09:47 AM   #2
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What kind of NLE and computer do you work with? Ever tried playing back JPEG2000 transcoded clips? On my G5 dual 2.7 I'm getting a playback frame rate of less than 2 fps from clips encoded to bit rates of 200 mbs, from H1 m2t's. I know it isn't the drive because it should be able to read 28 MBs.

I have a feeling JPEG2000 is going to require dedicated hardware to be functional in an NLE.
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Old March 23rd, 2006, 10:20 AM   #3
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Maybe editing offline could be a chance.. Edit first HDV material from cassette, then working on Jpeg2000 for post production.. Not the best workflow anyway..

Asa
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Old March 23rd, 2006, 11:40 AM   #4
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I'm going to test my jpeg2000 clips to see how quickly they convert to other formats for editing purposes.
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Old March 29th, 2006, 10:02 AM   #5
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JPEG2000 is wavelet codec as Cineform. If change header of file from J2K to CFHD...
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