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Indian-head test pattern. The Indian-head test pattern is a test card that gained widespread adoption during the black-and-white television broadcasting era as an aid in the calibration of television equipment. It features a drawing of a Native American wearing a headdress surrounded by numerous graphic elements designed to test different ...
Test Card D was a television test card first broadcast on 5 May 1964 by both the BBC and the ITA. This was the first test card to be based on a specification. [ 9] Test Card D was amended, and the amendment introduced on the 1st December 1965 as the radio and television trade objected to the original. Both versions had Reduced Power cards from ...
Test card. SMPTE color bars: common NTSC test pattern. PM5544: common PAL test pattern. EBU colour bars (4:3) A test card, also known as a test pattern or start-up/closedown test, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast (often at sign-on and sign-off ). [ 1]
Test Card F. Off-air screen capture of BBC Test Card F, as seen on BBC1 between 17 February 1991 and 4 October 1997. Test Card F is a test card that was created by the BBC and used on television in the United Kingdom and in countries elsewhere in the world for more than four decades. Like other test cards, it was usually shown while no ...
Mann–Whitney test (also called the Mann–Whitney–Wilcoxon ( MWW/MWU ), Wilcoxon rank-sum test, or Wilcoxon–Mann–Whitney test) is a nonparametric test of the null hypothesis that, for randomly selected values X and Y from two populations, the probability of X being greater than Y is equal to the probability of Y being greater than X .
ETP-1. ETP-1 (or Electronic Test Pattern One) [1] was a test card designed and used by the Independent Broadcasting Authority (IBA). [2] [3] [4] After test transmissions [5] from the IBA's Engineering Regional Operations Centre (ROC) in Croydon from 1978 it was phased in on ITV over a period starting from 1979, [6] replacing, in different ITV ...
The trade test colour films are among the subjects of interest of the Test Card Circle, an organization devoted to studying and preserving the test cards used by television broadcasters. The static test cards were typically transmitted for periods before and after regular programming, originally to permit viewers to adjust their television sets.
Pages in category "BBC test cards" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. L. List of BBC test cards; T.