Z1: Can I use Cineframe 25 over 24 for NTSC? at DVinfo.net

Elliot Smith · April 26th, 2006, 01:53 AM

I'm sure this will require a conversion, but what if I were to shoot in Cineframe 25 (which has gotten more positive feedback) in PAL, then convert to NTSC in post? Would this not give a close to 24p look? Or would I just lose resolution? Would people notice the extra frame?

I'm sure someone has to have thought of this, and there's probably a problem in the conversion that would make it less than the best way to go, but it couldn't hurt to ask.

Also someone mentioned that PAL has a better color pallette than NTSC. Would that be possible if one camera did both, as is the case with the Z1?

Dylan Pank · April 26th, 2006, 02:54 AM

Elliot, do a search, this is one of the most discussed issues on this board. I recommend a bit of reading and research.

Shortish answer(s)

yes, it would be close to 24p, people would not notice the frame as you'd slow the footage down 4%.
you'd need to convert the speed of the sound and correct the pitch.
NTSC is not 24p so you'd need to convert it to 2:3 pulldown 60i (unless making a progressive scan DVD),
PAL does not have better colour than NTSC but has a different, not better, colour sampling scheme (4:2:0 rather than 4:1:1) but it does have higher resolution.

Even short answer - people have been doing it for years...

Elliot Smith · April 26th, 2006, 09:00 AM

My apologies, chalk it up to newbieness, that was my first post. Thanks for the info, looks like that may not be the solution I'm looking for, not with a 4% slow down.

John Rofrano · April 26th, 2006, 10:36 PM

You can read all about this (Z1 25p to 24p conversion) at the CineForm web site. Shooting 25p and slowing down by 4% is done all the time to convert PAL to 24p. It is a lot better than using CineFrame24 alone unless you have Connect HD which will reverse telecine the Sony CineFrame24 back to 24p for you. Connect HD will also do the 4% slowdown from 25p to 24p for you as well. It’s a great tool to have if you want 24p out of your Z1 because you have both options available.

~jr

April 26th, 2006, 01:53 AM	#1
Elliot Smith New Boot Join Date: Dec 2005 Location: Los Angeles, CA (formerly Austin, TX, and NYC) Posts: 14	Z1: Can I use Cineframe 25 over 24 for NTSC? I'm sure this will require a conversion, but what if I were to shoot in Cineframe 25 (which has gotten more positive feedback) in PAL, then convert to NTSC in post? Would this not give a close to 24p look? Or would I just lose resolution? Would people notice the extra frame? I'm sure someone has to have thought of this, and there's probably a problem in the conversion that would make it less than the best way to go, but it couldn't hurt to ask. Also someone mentioned that PAL has a better color pallette than NTSC. Would that be possible if one camera did both, as is the case with the Z1?

April 26th, 2006, 02:54 AM	#2
Dylan Pank Major Player Join Date: Nov 2004 Location: Portsmouth, UK Posts: 611	Elliot, do a search, this is one of the most discussed issues on this board. I recommend a bit of reading and research. Shortish answer(s) yes, it would be close to 24p, people would not notice the frame as you'd slow the footage down 4%. you'd need to convert the speed of the sound and correct the pitch. NTSC is not 24p so you'd need to convert it to 2:3 pulldown 60i (unless making a progressive scan DVD), PAL does not have better colour than NTSC but has a different, not better, colour sampling scheme (4:2:0 rather than 4:1:1) but it does have higher resolution. Even short answer - people have been doing it for years...

April 26th, 2006, 10:36 PM	#4
John Rofrano Sponsor: VASST Join Date: May 2005 Location: New York Posts: 516	You can read all about this (Z1 25p to 24p conversion) at the CineForm web site. Shooting 25p and slowing down by 4% is done all the time to convert PAL to 24p. It is a lot better than using CineFrame24 alone unless you have Connect HD which will reverse telecine the Sony CineFrame24 back to 24p for you. Connect HD will also do the 4% slowdown from 25p to 24p for you as well. It’s a great tool to have if you want 24p out of your Z1 because you have both options available. ~jr __________________ Developer: VASST Ultimate S, Scattershot 3D, Mayhem, FASST Apps, and other VASST Software plug-ins Web Site: www.johnrofrano.com

April 26th, 2006, 09:00 AM	#3
Elliot Smith New Boot Join Date: Dec 2005 Location: Los Angeles, CA (formerly Austin, TX, and NYC) Posts: 14	My apologies, chalk it up to newbieness, that was my first post. Thanks for the info, looks like that may not be the solution I'm looking for, not with a 4% slow down.