In broadcast engineering for radio, the airchain (sometimes air chain (US) or just chain (UK)) is the path or route an audio or video signal takes on its way through a radio station or television station. Broadcast engineering is the field of Electrical engineering, and now to some extent Computer engineering, which deals with Radio and Television Video is the technology of electronically capturing, Recording, processing storing transmitting and reconstructing a sequence of Still images In the fields of communications, Signal processing, and in Electrical engineering more generally a signal is any time-varying or spatial-varying quantity This article is about radio broadcasting for other uses see Radio (disambiguation. A television station is a type of broadcast station that broadcasts both audio and Video to Television receivers in a particular area
The airchain begins with microphones, CD players, turntables, telephone hybrids, video tape recorders, satellite and other remote feeds, and other input devices in the studio and control room. A Compact Disc player (often written as compact disc player) or CD player, is an electronic device which plays audio Compact Discs CD players are often The phonograph, or gramophone, was the most common device for playing recorded Sound from the 1870s through the 1980s A telephone hybrid is a relatively simple electronic device used to connect Telephone line to studio audio circuits. VTR redirects here For other meanings see VTR (disambiguation. This article is about artificial satellites For natural satellites also known as moons see Natural satellite. A studio is a Artist 's or worker's workroom or an artist and his or her Employees who work within that studio A control room is a room serving as an operations centre where a facility or service can be monitored and controlled These feed into a mixing console, possibly via a router. In professional audio, a mixing console, or audio mixer, also called a sound board or soundboard, is an electronic device for combining The output then goes to an audio processor, and finally to the transmitter, feedline, and antenna. Output is the term denoting either an exit or changes which exit a System and which activate/modify a Process. Audio signal processing, sometimes referred to as audio processing, is the processing of a representation of auditory signals, or Sound. For biologic transmitters see Transmitter substance. A transmitter is an electronic device which usually with the aid of an antenna The Feed line in a Radio Transmission, Reception or Transceiver system is the physical cabling that carries the RF signal to and/or An antenna is a Transducer designed to transmit or Receive electromagnetic waves In other words antennas convert electromagnetic waves into Often, there is a studio-transmitter link via radio or broadband dedicated circuit (usually T1 or E1 line). A studio-transmitter link (or STL) sends a Radio station 's or Television station 's audio and Video from the broadcast Radio is the transmission of signals by Modulation of electromagnetic waves with frequencies below those of visible Light. The term broadband can have different meanings in different contexts A leased line is a symmetric Telecommunications line connecting two locations In Telecommunications T-carrier, sometimes abbreviated as T-CXR, is the generic designator for any of several digitally multiplexed telecommunications In Telecommunications T-carrier, sometimes abbreviated as T-CXR, is the generic designator for any of several digitally multiplexed telecommunications
The airchain may be all-analogue, all-digital, or most likely some hybrid of the two. An analog or analogue signal is any continuous signal for which the time varying feature (variable of the signal is a representation of some other A digital system uses discrete (discontinuous values usually but not always Symbolized Numerically (hence called "digital" to represent information for
All-analogue airchains typically use cables terminated in XLR connectors between each device. The XLR connector is an Electrical connector design XLR Plugs and sockets are used mostly in professional audio and Video
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