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A broadcasting antenna in Stuttgart. Broadcasting is the distribution of audio or 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 transmitters and ...
Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station, while in satellite radio the radio waves are broadcast by a satellite in Earth orbit.
In computer networking, telecommunication and information theory, broadcasting is a method of transferring a message to all recipients simultaneously. Broadcasting can be performed as a high-level operation in a program, for example, broadcasting in Message Passing Interface, or it may be a low-level networking operation, for example broadcasting on Ethernet.
Original major radio broadcasting networks in the United States The WEAF and WJZ chains. Following the introduction of radio broadcasting in the early 1920s, the American Telephone and Telegraph Company (AT&T) developed the first radio network, linking together individual stations with specially prepared long-distance telephone lines in what at the time was called a "chain".
Also AM radio or AM. Used interchangeably with kilohertz (kHz) and medium wave. A modulation technique used in electronic communication where the amplitude (signal strength) of the wave is varied in proportion to that of the message signal. Developed in the early 1900s, this technique is most commonly used for transmitting an audio signal via a radio wave measured in kilohertz (kHz). See AM ...
The following outline is provided as an overview of and topical guide to television broadcasting: Television broadcasting: form of broadcasting in which a television signal is transmitted by radio waves from a terrestrial (Earth based) transmitter of a television station to TV receivers having an antenna.
News broadcasting is the medium of broadcasting various news events and other information via television, radio, or the internet in the field of broadcast journalism. The content is usually either produced locally in a radio studio or television studio newsroom , or by a broadcast network .
The term "webcast" had previously been used to describe the distribution of Web or Internet content using conventional broadcast technologies such as those intended for digital video (Digital Video Broadcasting) and audio (Digital Audio Broadcasting), and in some cases even leveraging analogue broadcasting techniques traditionally used by ...