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.
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.
But unlike PC cable modems, which compete with conventional video programming for the cable system's carrying capacity, Worldgate's approach would employ a largely unused portion of the video spectrum called the vertical blanking
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.
The television signal on American television is made up of 525 lines, which includes both the picture and vertical blanking
It also supports extraction of vertical blanking
interval (VBI) data for closed-captioning and Teletext applications.
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.
The software consists of the programming data, which is continuously updated and downloaded over unseen vertical blanking
interval lines within the broadcast signal currently receivable in 98 percent of U.