PiP ( English p ics i n p Picture - picture in picture) - a technology used in television ( televisions , TV tuners ), in which the screen displays both the main image of a channel, the full screen, and the image another channel, in the corner of the main image, which occupies about eighth of the screen.
Simultaneous display of two channels allows you to monitor the air of two channels, for example, to view the second channel without switching channels, while advertising is on the first channel. Also, in some TV models, the soundtrack of the channel displayed in full screen is output to the speakers of the TV, and the second channel is output to the headphones ; This allows two viewers to watch two programs on the same TV screen.
Technical Features
TV with PiP function, as a rule, has two independent receiving units, and a synchronization function for scanning two television signals, usually digitizing one of the signals is used, followed by storing in memory and reading the saved part of the frame when the frame of the first signal starts to be displayed on the screen.
See also
- Picture-and-text - a similar mode of simultaneous display of a picture and text (for example, teletext ).