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Sorry to be contrary, but it usually doesn't mean 24fps.
In the post-production community, when people say "24p," they are usually referring to 23.98p -- which is what you get when you remove pulldown from an NTSC signal at 29.97 frames per second.
There is very little production or post-production that is done at true 24p. Almost everything is at 23.98p. It may sound like a small distinction, but it carries huge implications for sync sound and audio post.
And be careful, because there is true "p" and there is "PsF." Both are pictures that are captured at one temporal instance. But 24p is played back progressively, like a computer monitor, where the scan order is 1, 2, 3, etc. But 24PsF is a still image that is played back via an interlace -- like NTSC. So instead of the still image being shown progressively, it is shown in two fields. This was done so that the major manufacturers could still use existing CRT technology and existing television sets to display material that is captured at a 23.98fps temporal resolution. Add pulldown to 23.98 and you get 29.97fps.... NTSC.
Lucas Wilson
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HD Online Editor
Los Angeles
-----Original Message-----
From: Arthur Raham [mailto:araham@...]
Sent: Thursday, April 22, 2004 4:39 PM
To: hdtvproduction@yahoogroups.com
Subject: RE: [HDTV Production] 24p HDyes. it means 24 fps. The "p" stands for "progessive" rather than "interlace". Most video has always been catured in odd and even feilds, but a progessive scan means the whole image was captured at once with no scan lines.hope that helps-----Original Message-----When one says 24p HD, what actually that means. Is it 24 fps or
From: sati [mailto:saftz@...]
Sent: Thursday, April 22, 2004 8:39 AM
To: hdtvproduction@yahoogroups.com
Subject: [HDTV Production] 24p HD
something more? Sorry for asking this simple Q but i need to know.
Thanks
sat
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