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Frame rate of GY-HD110U

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Atari Norris
Frame rate of GY-HD110U
on Jul 6, 2007 at 11:18:32 pm

I have FCP 5.1.4 and I'm capturing via Firewire from JVC GY-HD110U. The tapes were shot in 1080i at a frame rate of 24. That is what my camera is set at now. In FCP 5.1.4, the closest settting is a frame rate of 24, but 1080p, not i. When I import under these settings, the clip in my browser window always comes in at a Frame Size of 1280x720, and a Vid Rate of 23.98 fps. The compressor also says HDV720p24. My understanding is that 1080i24 is the highest quality choice. Why is this happening? How can I fix it? And is capturing all my footage in 1080i24 the best way to log if that's how the tapes were shot? Thank you so much for your help.


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Ed Dooley
Re: Frame rate of GY-HD110U
on Jul 7, 2007 at 12:22:16 am

Let's start with this: You shot 1080i with a JVC HD-110? How'd you do that? JVC would probably like to know too. :-)
Ed

[Atari Norris] "I have FCP 5.1.4 and I'm capturing via Firewire from JVC GY-HD110U. The tapes were shot in 1080i at a frame rate of 24. That is what my camera is set at now. In FCP 5.1.4, the closest settting is a frame rate of 24, but 1080p, not i. When I import under these settings, the clip in my browser window always comes in at a Frame Size of 1280x720, and a Vid Rate of 23.98 fps. The compressor also says HDV720p24. My understanding is that 1080i24 is the highest quality choice. Why is this happening? How can I fix it? And is capturing all my footage in 1080i24 the best way to log if that's how the tapes were shot? Thank you so much for your help."



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Atari Norris
Re: Frame rate of GY-HD110U
on Jul 7, 2007 at 12:53:57 am

Dear Sir,

I'm not intentionally trying to give you in particular a hard time. On the screen, however, when you look through the viewfinder, that's what it says: that I am shooting in 1080i24p. The camera is a JVC GY-HD110U. It is entirely possible that I am misunderstanding something, but under Video Format, I set it to 1080i, and for the output, it also say 1080i. So if JVC needs help, please tell them to contact me on Creative Cow.

Sincerely,

Atari Norris


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Ed Dooley
Re: Frame rate of GY-HD110U
on Jul 7, 2007 at 11:56:37 am

I didn't think you were, Atari. My point is that JVC does not shoot interlaced in HDV mode, 1080 or 720. It only shoots interlaced in SD (480, as in 480i). This is directly from the specs for the camera on JVCs site:
VTR Section - Video - Recording Format:
720/24p,720/25p,720/30p,576/50p,480/60p,480/24p,480/60i
Ed

[Atari Norris] "I'm not intentionally trying to give you in particular a hard time. On the screen, however, when you look through the viewfinder, that's what it says: that I am shooting in 1080i24p. The camera is a JVC GY-HD110U. It is entirely possible that I am misunderstanding something, but under Video Format, I set it to 1080i, and for the output, it also say 1080i."



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Atari Norris
Re: Frame rate of GY-HD110U
on Jul 7, 2007 at 1:56:43 pm

It says 1080i24p on my camera. So hypothetically, if I recorded in 1080i24p and digitized in 720p, would there be any problems or loss of information?


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Ed Dooley
Re: Frame rate of GY-HD110U
on Jul 7, 2007 at 7:42:42 pm

I own an HD-110, it only shoots 720P and 480i, so you'll have to be hypothetical with someone else. I think the best first step is to read your manual. Look at the section about Component Out at 1080i. You cannot record in 1080, only 720, but output to 1080 is something else.
Ed

[Atari Norris] "It says 1080i24p on my camera. So hypothetically, if I recorded in 1080i24p and digitized in 720p, would there be any problems or loss of information?"



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Justin Ferar
Re: Frame rate of GY-HD110U
on Jul 8, 2007 at 10:08:58 pm

What's happening is that you can tell the camrera to output 1080i out of the anolog component outputs, handy in some applications like when shooting live to match other cameras. Even so, it will still record to tape as 720p.

Hope this clears up the confusion.

BTW- don't think that 1080i is better than 720p (Europe chose 720p as their HD broadcast standard over 1080i). Read up a bit if your confused. Just google 720p vs 1080i.


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