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A digital on-screen graphic, digitally originated graphic (DOG, bug, [1] network bug, or screenbug) is a watermark-like station logo that most television broadcasters overlay over a portion of the screen area of their programs to identify the channel. They are thus a form of permanent visual station identification, increasing brand recognition ...
Moiré pattern. A moiré pattern formed by two units of parallel lines, one unit rotated 5° clockwise relative to the other. The fine lines that make up the sky in this image create moiré patterns when shown at some resolutions for the same reason that photographs of televisions exhibit moiré patterns: the lines are not absolutely level ...
Safe area is a term used in television production to describe the areas of the television picture that can be seen on television screens. Older televisions can display less of the space outside of the safe area than ones made more recently. Flat panel screens, plasma displays and liquid crystal display (LCD) screens generally can show most of ...
Chroma key compositing, or chroma keying, is a visual-effects and post-production technique for compositing (layering) two or more images or video streams together based on colour hues (chroma range). The technique has been used in many fields to remove a background from the subject of a photo or video – particularly the newscasting, motion ...
A PNG file contains a single image in an extensible structure of chunks, encoding the basic pixels and other information such as textual comments and integrity checks documented in RFC 2083. [7] PNG files have the ".png" file extension and the "image/png" MIME media type. [8] PNG was published as an informational RFC 2083 in March 1997 and as ...
The National Broadcasting Corporation of Papua New Guinea (NBC PNG) is Papua New Guinea 's state owned broadcaster. Its head office is in Boroko, Port Moresby, and has approximately 20 locations around the country. It operates two national radio stations – NBC Radio (90.7 FM) which also broadcasts on the AM Frequency 585 MHz with Tribe 92FM ...
The term is used, by analogy, for a single row of pixels in a raster graphics image. [4] Scan lines are important in representations of image data, because many image file formats have special rules for data at the end of a scan line. For example, there may be a rule that each scan line starts on a particular boundary (such as a byte or word ...
Papua New Guinea's international country code is 675. [1] Telephone lines: 139,000 fixed lines in use, 140th in the world (2012); [1] 63,000 main lines in use (2005). Mobile lines: 2.7 million lines, 134th in the world (2012); [1] 75,000 lines (2005). Telephone system: services are minimal; facilities provide radiotelephone and telegraph ...
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