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QAM is used in a variety of communications systems such as Dial-up modems and WiFi. In cable systems, a QAM tuner is linked to the cable in a manner that is equivalent to an ATSC tuner which is required to receive over-the-air (OTA) digital channels broadcast by local television stations when attached to an antenna. Most new HDTV digital ...
A cable channel (sometimes known as a cable network) is a television network available via cable television. Many of the same channels are distributed through satellite television. Alternative terms include non-broadcast channel or programming service, the latter being mainly used in legal contexts.
In US cable systems, equipment in the home sends a channel request signal back to the distribution hub. If a channel is requested, the distribution hub allocates a QAM channel and transmits the channel to the coaxial cable. For this to work, the home equipment must have two-way communication ability.
Cable radio (also called cable FM, from 1928) and cable television (from 1932): both via coaxial cable, originally serving principally as transmission media for programming produced at either radio or television stations, but later expanding into a broad universe of cable-originated channels.
Warner Cable brought in American Express as an investor, and the two companies formed Warner-Amex Cable Communications with a widely-recognized board of directors, including American Express chairman Jim Robinson and President Lou Gerstner, and the former head of Shearson/American Express, Sanford Weill. Warner bought out American Express after ...
The basic programming package offered by cable television systems is usually known as "basic cable" and provides access to a large number of cable television channels, as well as broadcast television networks (e.g., ABC, CBS, NBC, Fox, The CW, MyNetworkTV, Telemundo, Univision, UniMás, PBS), public, educational, and government access channels ...
Echo (communications protocol) Edit decision list; Educational television; Effects of time zones on North American broadcasting; EIAJ-1; Electromagnetic interference; Electronic field production; Electronic news gathering; Electronic program guide; Electronic sell-through; Episode; Establishing shot; Event television; Extra (acting) Eyeline match
Examples of communications channels include: A connection between initiating and terminating communication endpoints of a telecommunication circuit. A single path provided by a transmission medium via either physical separation, such as by multipair cable or; separation, such as by frequency-division or time-division multiplexing.