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  2. Music theory - Wikipedia

    en.wikipedia.org/wiki/Music_theory

    The Oxford Companion to Music describes three interrelated uses of the term "music theory": The first is the "rudiments", that are needed to understand music notation (key signatures, time signatures, and rhythmic notation); the second is learning scholars' views on music from antiquity to the present; the third is a sub-topic of musicology ...

  3. International broadcasting - Wikipedia

    en.wikipedia.org/wiki/International_broadcasting

    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.

  4. Interval signal - Wikipedia

    en.wikipedia.org/wiki/Interval_signal

    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.

  5. Musicology - Wikipedia

    en.wikipedia.org/wiki/Musicology

    Musicology (from Greek μουσική mousikē 'music' and -λογια-logia, 'domain of study') is the scholarly, research-based study of music.Musicology research combines and intersects with many fields, including psychology, sociology, acoustics, neurology, natural sciences, formal sciences and computer science.

  6. FM broadcasting - Wikipedia

    en.wikipedia.org/wiki/FM_broadcasting

    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 . [ 1 ]

  7. Radio broadcasting - Wikipedia

    en.wikipedia.org/wiki/Radio_broadcasting

    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.

  8. Digital Radio Mondiale - Wikipedia

    en.wikipedia.org/wiki/Digital_Radio_Mondiale

    Digital Radio Mondiale is also the name of the international non-profit consortium that has designed the platform and is now promoting its introduction. Radio France Internationale , TéléDiffusion de France , BBC World Service , Deutsche Welle , Voice of America , Telefunken (now Transradio ) and Thomcast (now Ampegon ) took part at the ...

  9. Broadcasting - Wikipedia

    en.wikipedia.org/wiki/Broadcasting

    Broadcast engineering is the field of electrical engineering, and now to some extent computer engineering and information technology, which deals with radio and television broadcasting. Audio engineering and RF engineering are also essential parts of broadcast engineering, being their own subsets of electrical engineering.