Playing back frame rates other than 60i at DVinfo.net

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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 May 25th, 2008, 10:52 AM   #1
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Playing back frame rates other than 60i

OK,
I thought I understood this subject but I'm now questioning myself.

My son recently shot theater footage on the A1 using the 30 frame mode in Standard definition. The Canon manual is sparse in it's explanation of how it handles frame rates. Looks like the camera actually records at 30p. However, the text and diagram on page 40 of the manual says it outputs 60i. I suppose that's IF you use the camera as a playback device. I see that the camera will output 30p if you use the firewire port.
The confusing thing is, I can put this same tape in my DV deck and it plays fine. I don't think the deck is doing any kind of 30p to 60i conversion. I am using a JVC 15" NTSC Hi-rez analog monitor to view this. This leads me to believe that the camera is not recording at 30p direct to tape.
Anyone know what's going on here? Am I recording in 30p and my deck is simply interlacing the frames for playback? Is this OK?
thx
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Old May 25th, 2008, 11:19 AM   #2
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OK,
I may have figured this out. In SD mode, looks like the camera will pass 30p out the firewire port when shooting. Otherwise, 60i gets recorded to tape. In HD mode, u can record 30p to tape.
Anyone disagree?
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