Refers to 24 frames-per-second, progressive scan. This 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 television standards – so they can handle film without needing any frame-rate change (3:2 pull-down for 60 fields-per-second systems or running film at 25fps for 50 Hz systems). It is now accepted as a part of television production formats – usually associated with high definition 1080 lines, progressive scan. A major attraction is a relatively easy path from this to all major television formats as well as offering direct electronic support for motion picture film and D-cinema.

See also: 24PsF, 25P, 3:2 Pull-down, 1080/24P – The Global Production Format? (Opinion), ATSC, Common Image Format, D-cinema, Digital Film Supplement, DVB, Publishing