Steve Cottrell Fri, 02 Jan 2015 08:15:22 -0800
On 2/1/15, Steve Cottrell, discombobulated, unleashed:
>24p will produce 24 separate images in one second of video. 24i will
>produce 24 frames of 2-fields each = 48 separate images in one second of
>video. The 24p will be a bit more 'jittery' giving a film-like look. 24i
>will be a smoother 'video' look.
I got that slightly wrong - 24p would equate to 48i and so on.
In the UK (PAL) we shoot 25p and 50i. 50i = 50 fields interlaced = 25
frames per second.
I know, it's confusing :)
Speaking of 24i, - I'd say you have 48 separate half-images:
24 images with only even lines, and 24 images with only odd lines.
I am not an expert, but in my understanding, the correct[ed] statement
would be as follows:
48i would be somewhat similar in quality to 24p, while 24p is slightly
better (resolution-wise) for [quasi-]static images, and 48i would be
better for dynamic scenes (e.g. sports).
I think this short write-up covers the different frame rates+scan type
combination in a practically reasonable fashion:
http://www.steves-digicams.com/knowledge-center/video-frame-rates-24p-25p-30p-60i.html
Best,
Igor
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