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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 aspects of broadcast display.
Test cards typically contain a set of patterns to enable television cameras and receivers to be adjusted to show the picture correctly (see SMPTE color bars).Most modern test cards include a set of calibrated color bars which will produce a characteristic pattern of "dot landings" on a vectorscope, allowing chroma and tint to be precisely adjusted between generations of videotape or network feeds.
Standard greyscale and frequency response (1.5, 2.5, 3.5, 4, 4.5 and 5.25 MHz) tests are found on the left and right respectively of the central picture. [2] [3] On the updated version known as Test Card J (including widescreen and HD versions), the X on the noughts-and-crosses board is an indicator for aligning the centre of the screen.
Spigen iPhone 13/13 Pro Screen Protector $34.99 at Spigen. Best affordable screen protector: Trianium Ailun Glass Screen Protector. If you’re looking for a relatively affordable option ...
Image credits: zenee #3 Starbucks Cup In Front Of Daenerys. During the scene in the banquet hall, as Tormund says "most people get bloody murdered, they stay that way", look at Daenerys in the ...
Color calibration of a monitor using ColorHug2, an open source colorimeter, placed on the screen. For calibrating the monitor a colorimeter is attached flat to the display's surface, shielded from all ambient light. The calibration software sends a series of color signals to the display and compares the values that were actually sent against ...
The random letters, numbers, and characters in the top-right of your screen is the anti-keylogging window that disguises the actual keys you type on your keyboard with randomly-generated characters. This feature helps prevent criminals from stealing your sensitive data while you're signed into Desktop Gold.
There’s a lot to consider before bringing home a new kitten, so to help you prepare and feel confident, we’ve called in Dr. Rebecca MacMillan, a qualified vet with over 15 years of experience ...