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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.
Meanwhile, in the United States, it is common for a brief news reel to be broadcast over the station's logo, often accompanied by public service and missing and most wanted persons announcements. A clock ident, which can be silent, play music or feature an announcer. A program guide for the following day's programs. [3]
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 CBS Radio network, founded in 1927, never adopted anything similar, instead keying its network switching to the standard phrase "This is the Columbia Broadcasting System". [20] Initially NBC had two national networks, the NBC Red Network and the NBC Blue Network , however the Federal Communications Commission (FCC) was unhappy with this and ...
Lee de Forest broadcasting Columbia phonograph records on New York station 2XG in 1916. In 1892, Emile Berliner began commercial production of his gramophone records, the first disc records to be offered to the public. The earliest broadcasts of recorded music were made by radio engineers and experimenters.
A famous broadcast from Marconi's New Street Works factory in Chelmsford was made by the famous soprano Dame Nellie Melba on June 15, 1920, where she sang two arias and her famous trill. She was the first artist of international renown to participate in direct radio broadcasts. The 2MT station
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 .
Period built of two five-bar phrases in Haydn's Feldpartita in B ♭, Hob. II:12. [1] Diagram of a period consisting of two phrases [2] [3] [4]. In music theory, a phrase (Greek: φράση) is a unit of musical meter that has a complete musical sense of its own, [5] built from figures, motifs, and cells, and combining to form melodies, periods and larger sections.