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#16 | |
Wrangler
Join Date: Oct 2002
Location: Los Angeles, CA
Posts: 2,100
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Quote:
The golden nugget that has set my mind at ease is that they're saying the CCD is clocked at 24hz. To screw the chain up after that would be insanity. I agree with what somebody else said...for all practical purposes the camera operates as progressive it seems. They could have saved themselves some trouble...the F900 does a similar trick and nobody questions how that camera comes up with 24P. |
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#17 | |
Major Player
Join Date: Jan 2003
Location: Plainfield, New Jersey
Posts: 927
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#18 | |
Major Player
Join Date: Nov 2004
Location: Canada
Posts: 547
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Quote:
The exact order of the operations/steps varies quite a bit... but it is sufficient to know that if the CCD is run at 24 Hz, regardless as to whether it's sampled as interlaced or progressive, the result is a single frame of information. The only information anyone should really be caring about right now is whether the CCD is clocked at 24 Hz. Once this is established (i.e., if Chris' article is correct), then there's very little to worry about except minor details in terms of compression flags etc. -Steve |
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#19 |
Regular Crew
Join Date: Jan 2003
Location: Alabama
Posts: 165
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I think what everyone is trying to figure out, but doesn't seem to be saying, is that we are wondering if the 24F footage is full resolution, i.e. 1080 vertical lines, or if it is cut to 540 lines due to dropping one field.
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#20 |
Major Player
Join Date: Nov 2004
Location: Canada
Posts: 547
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Chris' article infers that it is the full 1080 lines.
-Steve |
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#21 |
Barry Wan Kenobi
Join Date: Jul 2003
Location: North Carolina
Posts: 3,863
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Well, that's the point -- if it delivers a full 1080 lines of resolution, and the image is captured properly at discrete 24hz intervals, then I don't care how they get there, as long as they get there. If it looks, smells, tastes and acts like genuine 24P, they can call it whatever they want and it'll still be exactly what we want.
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#22 |
MPS Digital Studios
Join Date: Apr 2003
Location: Palm Beach County, Florida
Posts: 8,531
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Canon can't call it 24p because it isn't progressive.
For Final Cut pro users, I'm sure there will be updates. For the record, FCP 5 can't capture from the HD100, as I found out the other day. JVC says their equivilant deck can, but that's about a month from release. heath
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#23 |
Major Player
Join Date: Sep 2005
Location: NE of London, England
Posts: 788
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24P itself is only an imitation of 24fps film. 24F is just another imitation of filmic motion, but using a different letter.
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#24 |
Space Hipster
Join Date: Oct 2001
Location: Greensboro, NC
Posts: 1,508
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Okay, the above posts contridict each other so many times it's kinda of fun.
I agree - it amounts to 24p and they call it whatever, everybody's happy. But perhaps I'm reading too much into why it's not called 24p and 24f because of negative experience with frame movie mode. Frame movie mode was a similar adventure with people for years insisting it was equal to or better resolution before it become widely known it was lower resolution. And that info did not come from Canon. The "progressive modes" on the Sony HDV took much less to realize that they were not real progressive. However, it is full rez 24 fps, they should ring the bell loudly as assuming the lens and CCD's perform well, that's quite exciting. |
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#25 | |
Major Player
Join Date: Sep 2005
Location: Houston, TX
Posts: 205
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#26 |
Regular Crew
Join Date: Sep 2004
Location: Panama City, Panama
Posts: 162
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So (just to be sure), 24F is not equivalent to CF24 in the Z1U?
Is it true that even the 1080p of the HVX200 will be delivered in an interlaced stream? If so, will the 1080i at 24F be compared to a 1080p? -EDWIN |
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#27 |
MPS Digital Studios
Join Date: Apr 2003
Location: Palm Beach County, Florida
Posts: 8,531
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From what I understand, 24F is NOT like CF24 in the FX1/Z1 (though we had some luck with it in my film 3 Sisters, but we won't do it again).
I don't know if the HVX200 will do 1080p. I'm not sure how many will do that. Unless it's like you say, 1080p in some sort of interlaced delivery. heath
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#28 |
Barry Wan Kenobi
Join Date: Jul 2003
Location: North Carolina
Posts: 3,863
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The HVX does genuine 24p, yes.
It won't take more than five minutes to figure out if the 24F mode is legit or not; all we have to do is shoot a res chart with/without 24f mode on to determine resolution, and then shoot some constant-motion objects next to a true 24p camera to determine motion sampling. |
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#29 |
MPS Digital Studios
Join Date: Apr 2003
Location: Palm Beach County, Florida
Posts: 8,531
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Barry's right--we should also do it with the JVC.
heath
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#30 |
Trustee
Join Date: May 2003
Location: Atlanta GA
Posts: 1,427
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OK guys, you talked me into it. I have an HD resolution chart, if you send me the XL-HDQWERTY1 and the HD100U for a week I'll shoot the charts, but I'll only do it if it's during the next dv challenge...
Oh and uh, where's that .avi?
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I have a dream that one day canon will release a 35mm ef to xl adapter and I'll have iris control and a 35mm dof of all my ef lenses, and it will be awesome... |
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