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HDcctv (High Definition Closed Circuit Television) is an open industrial standard for transmitting uncompressed high-definition analog (AHD) or digital video over point-to-point coaxial cable links for video surveillance applications. [1] [2] [3] HDcctv uses the SMPTE HD-SDI protocol and can transmit 720p or 1080p video over at least 100 m of ...
Composite video is an baseband analog video format that typically carries a 405, 525 or 625 line interlaced black and white or color signal, on a single channel, unlike the higher-quality S-Video (two channels) and the even higher-quality YPbPr (three channels).
8VSB is an 8-level vestigial sideband modulation. In essence, it converts a binary stream into an octal representation by amplitude-shift keying a sinusoidal carrier to one of eight levels. 8VSB is capable of transmitting three bits (2 3 =8) per symbol ; in ATSC, each symbol includes two bits from the MPEG transport stream which are trellis ...
The luminance carrier was shifted from 4.2 MHz for regular 8-mm up to 5.7 MHz for Hi8, and the frequency deviation was increased to 2 MHz from the 1.2 MHz of standard 8-mm. Like S-VHS, Hi8 was officially rated at a luminance resolution of 400 lines , [ 12 ] a vast improvement from their respective base formats and are roughly equal to LaserDisc ...
The output digital video may be formatted in various ways, such as 8-bit or 16-bit 4:2:2, 12-bit 4:1:1, BT.656 (SD) or BT.1120 (HD). Usually, in addition to the digital video output bus, a video decoder will also generate a clock signal and other signals such as:
The various serial digital interface standards all use (one or more) coaxial cables with BNC connectors, with a nominal impedance of 75 ohms. This is the same type of cable used in analog composite video setups, which potentially makes for easier "drop in" equipment upgrades (though may be necessary for long runs at the higher bitrates for older oxidising or lower grade of cable to replaced ...
A 15-pin VGA connector for a personal computer A 21-pin SCART or JP21 connector for a television. The various RGB (red, green, blue) analog component video standards (e.g., RGBS, RGBHV, RGsB) use no compression and impose no real limit on color depth or resolution, but require large bandwidth to carry the signal and contain a lot of redundant data since each channel typically includes much of ...
TVi (Ukrainian: ТВі) was a Ukrainian TV channel that began broadcasting in 2008; [3] it was widely seen [by whom?] as Ukraine's only independent TV channel. [ 3 ] [ 1 ] [ 4 ] It was known for its critical coverage of the Ukrainian government , particularly of President Viktor Yanukovych .
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