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broadcast network
A broadcast network is an organization, such as a corporation or other voluntary association, that provides live or recorded content, such as movies, newscasts, sports, public affairs programming, and other programs for broadcast over a group of radio stations or television stations. Most networks are primarily either a television network or a radio network, although some organizations run both types of networks.
Streaming media, Internet radio Webcasting is sometimes considered a form of broadcasting despite the lack of broadcast stations, in which case its practitioners may also be called "broadcasters" or even "broadcast networks".
==History==
American Networks
Reginald Fessenden, a former engineer and communications researcher for the U.S. Weather Bureau was the first to transmit a regular radio broadcast. His broadcasts were to ships at sea which he used his radio telegraphy equipment. His programs consisted of a recorded Handel piece, a violin performance, and a reading from the Bible. He claimed to be the first to transmit the human voice. General Electric was encouraged years later to create the Radio Corporation of America (RCA). Around this time was when AT&T got involved in radio.〔Aaron. (2010). The History of Radio: Birth of Network. http://www.gutenbergday.org/?p=85〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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