The remaining vertical blanking interval lines are typically used for datacasting or ancillary data such as video editing timestamps ( vertical interval timecodes or line 21.
32.
Beginning in January, the PBS division plans real-time broadcasts using the vertical blanking interval of television signals transmitted by its 250 PBS member stations across the country.
33.
Local broadcast channels were not usable for signals deemed to be priority, but technology allowed low-priority signals to be placed on such channels by synchronizing their blanking intervals.
34.
In single-link mode, the maximum pixel clock frequency is 165 MHz that supports a maximum resolution of 2.75 megapixels ( including blanking interval ) at 60 Hz refresh.
35.
A much longer but otherwise similar signal, the vertical blanking interval caused the vertical time base to start, with any lengthy delay causing the time base to trigger.
36.
It recorded and played back black-and-white " PCM, and was recorded by being inserted in the " back porch " of the horizontal blanking interval pulses of the video.
37.
It can also be used to visualize and observe special signals in the vertical blanking interval of a video signal, as well as the colorburst between each line of video.
38.
Software such as video games and computer aided design ( CAD ) packages often allow vertical synchronization as an option, because it delays the image update until the vertical blanking interval.
39.
His configuration contained all the fundamental elements of classic Teletext including pages of 24 rows with 40 characters each, page selection, sub pages of information and vertical blanking interval data transmission.
40.
VEIL acts together with CGMS-A signal ( " broadcast flag " ) in the vertical blanking interval, where it is used to encode the Rights Assertion Mark ( RAM ) signal.
