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#1 |
New Boot
Join Date: Dec 2007
Location: Ontario, CA
Posts: 9
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Mixing framerate on same tape? ok?
Hey guys
Ive had my Canon A1 for a couple months now and i've been shooting here and there with it, trying to get used to all the manual features on it. Pretty fun learning all the features about it. I had a question though. Is it alright to mix framerates on a tape? for example, i was messing around with it the other day testing some stuff out, and i started out shoooting 60i, then about 10 min later, i switched over to 24f. Will this cause any problems when i go to capture? or dropouts or anything? |
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#2 |
Regular Crew
Join Date: Apr 2006
Location: Spain
Posts: 46
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Not a good idea mixing framerates on the same tape, you would have to switch capture presets in you're NLE to capture at the correct rate.
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#3 |
New Boot
Join Date: May 2007
Location: Johannesburg, South Africa
Posts: 20
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Not a good idea.
I have experienced disk problems (Apple iMac with 750Gb external firewire drive) when trying to capture mixed frame rates. |
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#4 |
Trustee
Join Date: May 2005
Location: Saint Cloud, Florida
Posts: 1,043
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Forgive me but isn't 24f on a canon still 60i?
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#5 |
Regular Crew
Join Date: Jan 2008
Location: Boston, MA
Posts: 65
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Yea but when you go to capture 24f you do use the Easy Setup: HDV108024p as opposed to if you're capturing 60i footage you use the Easy Setup: HDV108060i.
Basically you have to reload the setup each time your frame rate changes. It's better to keep all the same frame rates on one tape. I just realized this and yea it's a big pain in the but to have to keep switching back and forth. |
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#6 |
Regular Crew
Join Date: Nov 2007
Location: New York, NY
Posts: 118
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I'm confused as to how 60i and 24F could be the same thing? Isn't 60i interlaced and 24F progressive?
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#7 |
Trustee
Join Date: May 2005
Location: Saint Cloud, Florida
Posts: 1,043
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24F is Canon's "fake 24p". From what I understand, and someone jump in here if I'm wrong, it still gets put onto tape at 60i. In your NLE, when capturing, you use pulldown conversion to get 24p.
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#8 |
Major Player
Join Date: May 2005
Location: NYC
Posts: 516
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there is no pulldown with 24f. 24f is, for all intents and purposes, 24 frames progressive, and is put to tape as such.
http://dvinfo.net/conf/showthread.php?t=74964 |
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#9 |
Trustee
Join Date: May 2005
Location: Saint Cloud, Florida
Posts: 1,043
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Dangit! Wish I was told the "Correct" info when I had my XL1S, LOL... Cineframe 24 is 24p? hmmmmm....
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#10 |
Contributor
Join Date: Jan 2003
Location: Kansas City, MO
Posts: 4,449
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The frame mode of the XL1s was not the same as the 24 frame HDV mode of the current cameras. You don't get the softening and noise, for one thing. This subject has been beat to death in a zillion posts on here, and Canon has a white paper on it.
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#11 | |
Wrangler
Join Date: Sep 2001
Location: Northern VA
Posts: 4,487
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Quote:
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#12 | |
Wrangler
Join Date: May 2003
Location: Eagle River, AK
Posts: 4,100
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Quote:
Anyway, if you put long leaders/handles on your footage, you can put footage of different frame rates on a tape and as long as you don't try to capture across the break point, it should be ok. But that's a bother I think most of us would avoid. As with the other folks who have responded, I just don't do it.
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#13 |
Regular Crew
Join Date: May 2007
Location: Aberystwyth, Wales, UK
Posts: 91
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I've shot at 25p and 50i on the same tape simply as a test between the two and it worked fine using Sony Vegas 8 Pro.
Mark |
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#14 |
New Boot
Join Date: Dec 2007
Location: Ontario, CA
Posts: 9
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thanks for all the responses guys.
i figured there wouldn't be any problems mixing framerates on a tape, but there would be just the hassle of switching settings when capturing to the footage. |
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#15 |
Regular Crew
Join Date: Apr 2007
Location: Los Angeles
Posts: 157
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Yeah, Nick, I've done it, but only if I'm shooting half and half, so I'm not constantly switching back and forth. And like someone else said, put a lot of leader and tail between the footage, meaning give like 5-10 seconds between the different frame rates.
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