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TVL is defined as the maximum number of alternating light and dark vertical lines that can be resolved per picture height. [3] A resolution of 400 TVL means that 200 distinct dark vertical lines and 200 distinct white vertical lines can be counted over a horizontal span equal to the height of the picture.
An image of N pixels height by M pixels wide can have any resolution less than N lines per picture height, or N TV lines. But when the pixel counts are referred to as "resolution", the convention is to describe the pixel resolution with the set of two positive integer numbers, where the first number is the number of pixel columns (width) and ...
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In terms of video performance, ED-Beta offered even greater luminance bandwidth than S-VHS – 500 television lines (TVL) of horizontal resolution per picture height, versus S-VHS's or Laserdisc's 420 TVL; putting ED-Beta nearly on par with professional digital video formats (520 TVL). However, chroma performance was far less spectacular, as ...
Height of pylons Span width, leaning straight line Span width, horizontal measurement Height of cable over ground Year of inauguration Notes Tyrolienne Millau 2013: France: Millau: N/A: 2 163 m: 2 131 m: 170 m unloaded rope: 2013: Longest tyrolean with caving ropes from May 2013. Crossing residential zones, main road, 20 kV powerline. Near to ...
TVL or tvl can refer to: TV Licensing, trade name used by BBC subcontractors operating in the UK; Television lines, image resolution specification; Tuvaluan language ...
525-line (or EIA 525/60) is an American standard-definition television resolution used since July 1, 1941, [1] [2] [3] mainly in the context of analog TV broadcast systems. It consists of a 525-line raster , with 486 lines carrying the visible image at 30 (29.97 with color) interlaced frames per second.
625-line (or CCIR 625/50) is a late 1940s European analog standard-definition television resolution standard. [ 1 ] [ 2 ] It consists of a 625-line raster , with 576 lines carrying the visible image at 25 interlaced frames per second.