test card
1Test 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 programmes were being broadcast, but… …
2Test Card J — is a test card, an image used to determine the quality of a broadcast television picture. It is an updated version of Test Card F, which was created by BBC engineer George Hersee, and it first appeared in November 1999.DifferencesThe centre… …
3Test Card W — is a test card, an image used to determine the quality of a broadcast television picture. It is an updated 16:9 (1.78:1) widescreen version of Test Card F, which was created by BBC engineer George Hersee. Test Card W is similar to Test Card J,… …
4test card — see ↑test pattern below. • • • Main Entry: ↑test test pattern, test card or test chart noun (image technol) A transmitted chart with lines and details to indicate particular characteristics of a transmission system, used in TV for general testing …
5Test Card H — is the name given to a test card designed by the BBC. However, it was never broadcast and used as a line up chart for cameras, possibly used to test chroma specifications as well as resolution and bandwidth.ee also*List of BBC test cards …
6test card — test ,card noun count BRITISH a TEST PATTERN …
7test card — n BrE a pattern or picture that is shown on television when there are no programmes …
8test card — ► NOUN Brit. ▪ a still television picture transmitted outside normal programme hours to aid in judging the quality of the image …
9Test card — A test card, also known as a test pattern in the UK, North America and Australia, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast (often at startup and closedown). Used… …
10test card — UK / US noun [countable] Word forms test card : singular test card plural test cards British a pattern of lines and colours that you see on your television screen when there are no programmes …
