24P
24P - Refers to 24 frames-per-second, progressive scan. 24 f/s has been the frame rate of motion picture film since talkies arrived. It is also one of the rates allowed for transmission in the DVB and ATSC digital television standards – so they can handle film without needing any frame-rate change systems.
24P is now accepted as a part of television production formats – usually associated with high definition 1080 lines to give a ‘filmic’ look on 60 Hz TV systems. For display it needs to be double shuttered – showing each frame twice to avoid excessive flicker, as in cinema film projection, and fast pans and movements are not well portrayed. Faster vertical refresh rates are preferred for sports and live action.
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