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International broadcasting, in a limited extent, began during World War I, when German and British stations broadcast press communiqués using Morse code. With the severing of Germany's undersea cables, the wireless telegraph station in Nauen was the country's sole means of long-distance communication.
Historical interval signal of the BBC RAVAG interval signal, clock ticking 270/min (9 in 2 sec). An interval signal, or tuning signal, is a characteristic sound or musical phrase used in international broadcasting, numbers stations, and by some domestic broadcasters, played before commencement or during breaks in transmission, but most commonly between programs in different languages.
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.
Music radio is a radio format in which music is the main broadcast content. After television replaced old time radio 's dramatic content, music formats became dominant in many countries. Radio drama and comedy continue, often on public radio .
BBC World Service Logo used since 2022 Type Radio broadcasting news, speech, discussions, public broadcaster Country United Kingdom Availability Worldwide Headquarters Broadcasting House, London Broadcast area Worldwide Owner BBC Key people Jonathan Munro Launch date 19 December 1932 ; 92 years ago (1932-12-19) Former names BBC Empire Service BBC Overseas Service External Services of the BBC ...
Internet radio services offer news, sports, talk, and various genres of music—every format that is available on traditional broadcast radio stations. [3] Many Internet radio services are associated with a corresponding traditional (terrestrial) radio station or radio network , although low start-up and ongoing costs have allowed a substantial ...
FM broadcasting is a method of radio broadcasting that uses frequency modulation (FM) of the radio broadcast carrier wave. Invented in 1933 by American engineer Edwin Armstrong , wide-band FM is used worldwide to transmit high-fidelity sound over broadcast radio .
Live broadcast brought about a sense of spontaneity and immediacy, and in cases of live music intimacy as listeners hear the artist as they would live in concert. NBC asserted that the imperfections of live radio added to its authenticity and the pleasure of listening.