media terms chap 10
Terms
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- CATV
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Community antenna television, the predecessor to cable television. It was limited to
transmitting a clear signal to its subscribers. It did not originate programming from distant sources as cable does.
- F.C.C.
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The Federal Communications Commission, the U.S. regulatory agency that sets standards and requirements for broadcasting, telephone, satellite, and other communication transmission.
- HDTV (High definition television)
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The digital television format that is replacing NTSC and
other older analog formats.
- Mechanical television
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A system based on the Nipkow disk. The reception quality was so poor compared to electronic television that it was abandoned.
- NTSC, PAL, SECAM
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Analog television broadcast systems that determine the number of picture screen lines and the rate they are “refreshed.†NTSC stands for National Television System
Committee, the group that standardized the format for the United States. - UHF
- Channels above 13, based on radio spectrum frequencies.
- VHF
- Channels 2 to 13.