Any of various combinations of converging lines, alignment marks, colored bars and gray scales appearing on screen to aid in the adjustments of video equipment optimal for picture alignment, registration, and contrast. Often viewed on broadcast television in off air hours. (See Color Bars.)
A chart especially prepared for checking the performance of a closed circuit TV system.
Generic term for picture created by optical or electronic means for purpose of test. Patterns may be line repetitive (e. g EBU Color Bars), a matrix of line-repetitive patterns (e. g SMPTE Color Bars which have three distinct regions) or frame-based.
A pattern used for inspecting or testing purposes.
A chart with special patterns, placed in front of a television camera to generate a standard reference signal that can be used to adjust the camera and all equipment downstream.
A pattern used for inspection or testing purposes.
A chart especially prepared for checking overall performance of a television system. It contains various combinations of lines and geometric shapes. The camera is focused on the chart, and the pattern is viewed at the monitor for fidelity.
spray pattern used in adjusting spray gun.
During testing of a PCA, patterns of signal faults are inserted into the circuitry, and its response is observed to determine if the faults were recognized appropriately. See circuit fault.
Test Pattern was a game show on the Canadian television channel Much Music in the late 1980s and early 1990s. It featured Canadian musicians who were prominent at the time. Dan Gallagher hosted the program and it was produced and directed by Sidney M.
