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High-definition television: Broadcasting using a line standard of 720 or greater. Prior to World War II, high definition meant a line standard greater than 240 lines. A CB radio with an exposed helical "rubber ducky" antenna. helical antenna A radio antenna with one or more conductive wires, wound up in the shape of a helix. A version of this ...
Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model. [1] Broadcasting began with AM radio, which came into popular use around 1920 with the spread of vacuum tube radio ...
Dark (broadcasting) Dayparting; Dead air; Deus ex machina; DigiCipher 2; Digital cable; Digital master; Digital on-screen graphic; Digital on-screen graphics by country; Digital rights management; Digital television; Digital television adapter; Digital video; Digital video recorder; Direct-broadcast satellite; Direct-to-disc recording; Direct ...
In broadcasting, a channel or frequency channel is a designated radio frequency (or, equivalently, wavelength), assigned by a competent frequency assignment authority for the operation of a particular radio station, television station or television channel.
Broadcast address, an IP address allowing information to be sent to all machines on a given subnet; Broadcasting (networking), transmitting a packet that will be received by every device on the network
In communication, media (sing. medium) are the outlets or tools used to store and deliver semantic information or contained subject matter, described as content. [1] [2] The term generally refers to components of the mass media communications industry, such as print media (), news media, photography, cinema, broadcasting (radio and television), digital media, and advertising. [3]
In countries where most networks broadcast identical, centrally originated content to all of their stations, and where most individual television transmitters therefore operate only as large "repeater stations", the terms "television network", "television channel" (a numeric identifier or radio frequency) and "television station" have become mostly interchangeable in everyday language, with ...
Broadcasting is the distribution of audio and video signals (programs) to a number of recipients ("listeners" or "viewers"). This group may be the public in general, or a relatively large audience within the public.