Playout

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In broadcasting, channel playout is the generation of the source signal of a radio or television channel produced by a broadcaster,^[1] coupled with the transmission of this signal for primary distribution or direct-to-audience distribution via any network. Such radio or television distribution networks include terrestrial broadcasting (analogue or digital radio), cable networks, satellites (either for primary distribution intended for cable television headends or for direct reception, DTH / DBS), Internet Protocol television, OTT Video, point-to-point transport over managed networks or the public Internet, etc.

The television channel playout happens in master control room (MCR) in a playout area, which can be either situated in the central apparatus room or in purposely built playout centres, which can be owned by a broadcaster^[2] or run by an independent specialist company that has been contracted to handle the playout for a number of channels from different broadcasters.

Some of the larger playout centres in Europe, Southeast Asia and the United States handle well in excess of 50 radio and television "feeds". Feeds will often consist of several different versions of a core service, often different language versions or with separately scheduled content, such as local opt outs for news or promotions.