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- 2-pop abstract "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. This provides a unique point of reference where the frame-long image and frame-long sound should align, similar to the way a film clapperboard is used to generate a synchronization point.For example, in a video program the first frame of action (FFOA) starts at one hour (typically timecode of 01:00:00:00 in the US, and 10:00:00:00 in the UK), preceding that, 1 frame (or the 2-pop) of tone would be placed at timecode 00:59:58:00 or exactly 2 seconds before first picture. A 2-pop is useful whenever picture and sound are handled separately. For example, projecting work-in-progress in the pre-video days involved a film projector linked to a magnetic dubber, onto which the separate soundtrack reel was loaded. Aligning them by the 2-pop would ensure proper synchronization during playback. A modern scenario would involve sending a soundtrack to a separate facility for a sound mix. The returned product is a computer audio file which then needs to be synchronized again with the picture.".
- 2-pop thumbnail 2-pop_1frame_of_1khz.png?width=300.
- 2-pop wikiPageExternalLink faq.php.
- 2-pop wikiPageExternalLink sync2.shtml.
- 2-pop wikiPageID "9910658".
- 2-pop wikiPageRevisionID "575598247".
- 2-pop description "2".
- 2-pop filename "2".
- 2-pop format Ogg.
- 2-pop hasPhotoCollection 2-pop.
- 2-pop title "1".
- 2-pop subject Category:Film_and_video_technology.
- 2-pop subject Category:Television_terminology.
- 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.".
- 2-pop label "2-pop".
- 2-pop sameAs m.02pws2m.
- 2-pop sameAs Q4596965.
- 2-pop sameAs Q4596965.
- 2-pop wasDerivedFrom 2-pop?oldid=575598247.
- 2-pop depiction 2-pop_1frame_of_1khz.png.
- 2-pop isPrimaryTopicOf 2-pop.