Matches in DBpedia 2016-04 for { ?s ?p "Used in television production and filmmaking post-production, a 2-pop is a 1 kHz tone that is one frame long and placed 2 seconds before the start of program. It is a simple and effective method of ensuring synchronization between sound and picture in a video or film.A 2-pop is typically placed at the end of a visual countdown. Only the first frame of the \"2\" is shown, and the remainder of the 2 seconds prior to the program is black."@en }
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- 2-pop comment "Used in television production and filmmaking post-production, a 2-pop is a 1 kHz tone that is one frame long and placed 2 seconds before the start of program. It is a simple and effective method of ensuring synchronization between sound and picture in a video or film.A 2-pop is typically placed at the end of a visual countdown. Only the first frame of the \"2\" is shown, and the remainder of the 2 seconds prior to the program is black.".