vertical blanking

vertical blanking

[′vərd·ə·kəl ′blaŋk·iŋ]
(electronics)
Blanking of a television picture tube during the vertical retrace.
References in periodicals archive ?
It transports an SDI stream directly over IP, including legacy data such as the vertical blanking interval (VBI) and the cyclic redundancy check (CRC).
In addition, encoder models based on Digital Rapids' Flux hardware technology now offer triggering based on VITC time code in the source input vertical blanking interval, complementing the existing ability to trigger based on VITC in ancillary data.
Vertical blanking panels are included with the enclosure to prevent bypass air at patching sections.
It offers increased memory, added processing power, scaled video, and vertical blanking interval (VBI) data extraction.
1970: BBC technicians use the vertical blanking interval - the space between television frames - to send messages between transmitter sites around the UK.
This provides software developers with a common platform on which to develop a new generation of powerful, low-cost, feature rich video-based multimedia applications using megabytes of broadcast data, including IP over VBI (Vertical Blanking Interval).
The data is packed into a part of the television signal known as the Vertical Blanking Interval.
Gemstar also has reached an accord with CBS, which will broadcast TV Guide Plus in the vertical blanking interval of the network's TV signal.
Suppose each program were identified by a digital code placed in the vertical blanking interval (or VBI, the black bar we see when the picture rolls): for example, 01256, where "0" (or any other number) on the VBI space identified the network; "1" the type of program (movie, sitcom, etc.); "2" the genre (Western, musical, etc.); "5" the starting time; and "6" the title.
The television signal on American television is made up of 525 lines, which includes both the picture and vertical blanking interval.
The ABC Television Network will transmit Gemstar's program listings information through its vertical blanking interval (VBI) to those TVs and VCRs equipped with the technology.
StarSight is currently delivered nationally through Public Broadcasting Service's vertical blanking to 95 per cent of the country.