24fps??? Why leave it out? at DVinfo.net

Go Back   DV Info Net > Special Interest Areas > Techniques for Independent Production

Techniques for Independent Production
The challenges of creating Digital Cinema and other narrative forms.


Reply
 
Thread Tools Search this Thread
Old September 6th, 2001, 06:20 PM   #1
New Boot
 
Join Date: Sep 2001
Location: Wellington, New Zealand
Posts: 21
24fps??? Why leave it out?

Hi,

I know the XL1 and XL1s has a 30fps shot mode, but why did Canon not put in a 24fps mode for film work? I mean what gear uses 30fps anyway? I did not even think that was a standard.

I read something in the articles that said you could use the 30fps mode and remove every 5th frame or something, how well does that work? Does it make it look like real film?

Cheers!
__________________
Mark "Kodiak" Wylie
computer hardware guru, SGI promoter + über geek
Mark_Wylie is offline   Reply With Quote
Old September 7th, 2001, 09:50 AM   #2
Obstreperous Rex
 
Join Date: Jan 2001
Location: San Marcos, TX
Posts: 26,900
Images: 513
Hi Mark,

30fps is the industry standard for all NTSC video cameras (NTSC is the standard for America and Japan), and has been for a very long time. I've only recently seen some extremely expensive Philips cameras at NAB that had switchable frame rates.

If you want to convert the standard NTSC frame rate of 30fps to film, which as you point out is 24fps, you have to go through a complicated process called 3:2 pulldown, which removes a certain number of frames to get the speed to match that of film. It's not an easy thing to do and it's part of the expense of transfering video to film.

Down in your part of the world and in Europe, you have the PAL standard, which is 25fps (and slightly better image resolution). This is a little easier to transfer to film, because all you have to do is drop one frame per second and stretch the audio by 4%, and now you have 24fps. For this reason, PAL cameras are popular here in the USA for a lot of folks who want to transfer video to film.

There's an excellent 3-part guide to this process in the Articles section of the Watchdog under the Post-Production heading. Hope this helps,
__________________
CH

Search DV Info Net | DV Info Net Sponsors | A Decade (+5) of DVi | ...Tuesday is Soylent Green Day!
Chris Hurd is offline   Reply With Quote
Old September 7th, 2001, 03:10 PM   #3
New Boot
 
Join Date: Sep 2001
Location: Wellington, New Zealand
Posts: 21
Ahhhhhh so thats why... :-)

I should know about PAL v NTSC. I have a friend here who keeps dribbling on about how PAL is better, and ra ra ra, I genrally ignore format wars. :-)

I will have to read that article.

Cheers!

Mark
__________________
Mark "Kodiak" Wylie
computer hardware guru, SGI promoter + über geek
Mark_Wylie is offline   Reply
Reply

DV Info Net refers all where-to-buy and where-to-rent questions exclusively to these trusted full line dealers and rental houses...

Professional Video
(800) 833-4801
Portland, OR

B&H Photo Video
(866) 521-7381
New York, NY

Z.G.C.
(973) 335-4460
Mountain Lakes, NJ

Abel Cine Tech
(888) 700-4416
N.Y. NY & L.A. CA

Precision Camera
(800) 677-1023
Austin, TX

DV Info Net also encourages you to support local businesses and buy from an authorized dealer in your neighborhood.
  You are here: DV Info Net > Special Interest Areas > Techniques for Independent Production

Thread Tools Search this Thread
Search this Thread:

Advanced Search

 



Google
 

All times are GMT -6. The time now is 07:26 PM.


DV Info Net -- Real Names, Real People, Real Info!
1998-2017 The Digital Video Information Network