vertical blanking interval

noun

Definition of vertical blanking interval

:the pause between the last line of an image (as on a television display) and the first line of the next image
  • WorldGate's system allows a TV viewer to click from a show or commercial to a related Web site. The system works over cable, using a set-top box and TV's vertical blanking interval.
  • —Bradley JohnsonAdvertising Age10 Feb. 1997
  • Although most of the broadcast television signal is video, there are also some data streams that go along for the ride. This information is embedded in a part of the signal called the vertical blanking interval.
  • —J. D. BiersdorfertNew York Times26 Aug. 2004
called also blanking interval
Note: The vertical blanking interval was originally required to keep the electron gun of a cathode-ray tube from drawing on the screen while it returned to the starting point after each cycle. In more recent types of displays, the brief gap has proven useful for carrying other types of information that accompany the signal.

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

First Known Use of vertical blanking interval

1966


Seen and Heard

What made you want to look up vertical blanking interval? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

spoken rather than written

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one-green-toy-robot-amidst-many-red-toy-robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!