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The first electronically amplified record players reached the market only a few months later, around the start of 1926, but at first, they were much more expensive and their audio quality was impaired by their primitive loudspeakers; they did not become common until the late 1930s.
The first electrical recording issued to the public, with little fanfare, was of November 11, 1920, funeral service for The Unknown Warrior in Westminster Abbey, London. The recording engineers used microphones of the type used in contemporary telephones. Four were discreetly set up in the abbey and wired to recording equipment in a vehicle ...
An audio format is a medium for sound recording and reproduction. The term is applied to both the physical recording media and the recording formats of the audio content—in computer science it is often limited to the audio file format, but its wider use usually refers to the physical method used to store the data. Note on the use of analog ...
AMPEX 440 (two-track, four-track) and 16-track MM1000 Scully 280 eight-track recorder using 1 inch (25 mm) tape at the Stax Museum of American Soul Music. Multitrack recording of sound is the process in which sound and other electro-acoustic signals are captured on a recording medium such as magnetic tape, which is divided into two or more audio tracks that run parallel with each other.
1931 : RCA-Victor began manufacturing 33 1/3 vinyl record players. The Great Depression unfortunately made the market unreceptive due to their high cost and initial marketing of these devices being as "Program Transcriptions", rather than for listening to music.
[citation needed] In the UK, Decca Records began recording sessions in stereo in mid-1954, and by that time even smaller labels in the U.S. such as Concertapes, Bel Canto and Westminster along with major labels such as RCA Victor began releasing stereophonic recordings on two-track prerecorded reel-to-reel magnetic tape, priced at twice or ...
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An LP record on a phonograph. Technological developments in the early 20th century led to sweeping changes in the way recorded music was made and sold. Before the LP, the standard medium for recorded music had been the 78 rpm gramophone record, made from shellac and holding three to five minutes per side. [3]