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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 January 29th, 2008, 04:29 PM   #1
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HD-SDI True 10-bit Color?

I know that HD-SDI is a 10-bit signal. But I've also read and heard that the XL-H1 (and XH-G1) output 8-bit color inside a 10-bit signal; the last two bits are zeros. Does anyone know if this is the case?

Do the XL-H1 (and XH-G1) provide 8-bit or 10-bit color? Thanks.
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Old January 30th, 2008, 07:35 AM   #2
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It is 8-bit stuffed into 10-bit.
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Old January 30th, 2008, 03:43 PM   #3
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Thanks very much for the answer.
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Old January 31st, 2008, 09:55 AM   #4
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"output 8-bit color inside a 10-bit signal"

Yep - after asking several Canon folks and getting no answers, went elsewhere and repeatedly got that answer.

Don't know what the point of the 2-bits of 0 info is, but the resulting HD-SDI file captured off the H1 and G1 is surely beautiful - and that is what matters. Have not tried any heavy compositing yet to see if the 8 bits of real data vs. 10 bits makes a difference there though.
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