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  2. Active Format Description - Wikipedia

    en.wikipedia.org/wiki/Active_Format_Description

    box > 16:9 (center): wider than 16:9 active picture. The aspect ratio of the source area is not given, and the size of the top/bottom bars is not indicated. bar data (indicating the extent of top, bottom, left, and right bars) should be transmitted when using this code. 5 0101 reserved: 6 0110 7 0111 8 1000 Full Frame image, same as the frame ...

  3. Serial digital interface - Wikipedia

    en.wikipedia.org/wiki/Serial_digital_interface

    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 ...

  4. Serial Peripheral Interface - Wikipedia

    en.wikipedia.org/wiki/Serial_Peripheral_Interface

    The key SPI parameters are: the maximum supported frequency for the serial interface, command-to-command latency, and the maximum length for SPI commands. It is possible to find SPI adapters on the market today that support up to 100 MHz serial interfaces, with virtually unlimited access length.

  5. Citizens Broadband Radio Service - Wikipedia

    en.wikipedia.org/wiki/Citizens_Broadband_Radio...

    Citizens Broadband Radio Service (CBRS) is a 150 MHz wide broadcast band of the 3.5 GHz band (3550 MHz to 3700 MHz) in the United States. [1] In 2017, the US Federal Communications Commission (FCC) completed a process which began in 2012 to establish rules for commercial use of this band, while reserving parts of the band for the US Federal Government to limit interference with US Navy radar ...

  6. File:United States Frequency Allocations Chart 2016 - The ...

    en.wikipedia.org/wiki/File:United_States...

    Information in this chart supersedes that in File:United States Frequency Allocations Chart 2011 - The Radio Spectrum.pdf. Archived at archive.org on 2016-10-30. Licensing

  7. Pan-American television frequencies - Wikipedia

    en.wikipedia.org/wiki/Pan-American_television...

    The Pan-American television frequencies are different for terrestrial and cable television systems. Terrestrial television channels are divided into two bands: the VHF band which comprises channels 2 through 13 and occupies frequencies between 54 and 216 MHz, and the UHF band, which comprises channels 14 through 36 and occupies frequencies between 470 and 608 MHz.

  8. S/PDIF - Wikipedia

    en.wikipedia.org/wiki/S/PDIF

    Sampling frequency: 0000 2: 44.1 kHz, 0100 2: 48 kHz, 1100 2: 32 kHz 4–5 Clock accuracy: 10 2: 50ppm, 00 2: 1100ppm, 01 2: variable pitch (requires compatible receiver) 6–7 Undefined 4 0 Word length 20 bits Word length 24 bits 1–3 Sample length (0: undefined, 1–4: word length minus 1-4 bits, 5: full word length) 4–7 Undefined 5–10 0-7

  9. Senior center - Wikipedia

    en.wikipedia.org/wiki/Senior_center

    A senior center (or senior centre or older adult center) is a type of community center where older adults congregate for fellowship with others to fulfill many of their social, physical, emotional, and intellectual needs. A regular part of senior centers is card and board games, along with video games as that generation moves into old age.