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Modern stereophonic technology was invented in the 1930s by British engineer Alan Blumlein at EMI, who patented stereo records, stereo films, and also surround sound. [7] In early 1931, Blumlein and his wife were at a local cinema.
(The first stereo recordings, on disks, had been made in the 1930s, but were never issued commercially.) Stereo (either true, two-microphone stereo or multi mixed) quickly became the norm for commercial classical recordings and radio broadcasts, although many pop music and jazz recordings continued to be issued in monophonic sound until the mid ...
Although some HMV tapes released in the USA cost up to $15, two-track stereophonic tapes were more successful in America during the second half of the 1950s. The history of stereo recording changed after the late 1957 introduction of the Westrex stereo phonograph disc, which used the groove format developed earlier by Blumlein.
The first system for creating stereophonic sound (using telephone technology) was demonstrated by Clément Ader in Paris in 1881. The pallophotophone, invented by Charles A. Hoxie and first demonstrated in 1922, recorded optically on 35 mm film.
A Quadraphonic 8-Track Cartridge Analog, 1 ⁄ 4 inch wide tape, 3 + 3 ⁄ 4 in/s, 4-channel stereo, endless-loop cartridge 1971 Quadraphonic Vinyl Record (CD-4) (SQ Matrix) An SQ quadraphonic record Analog, introduced by CBS Records for matrix and RCA / JVC for CD-4 Recorded two tracks on both stereo channels, requiring a decoder to hear all ...
There’s a moment in David Adjmi’s play “Stereophonic” when a discordant, mid-’70s band-on-the rise hears one of its songs played back to them in the recording studio for the first time ...
It's July 1976 in a Northern California recording studio and the rock ‘n’ roll band cutting their latest album is exhausted and wary. The coffee machine is broken. Playwright David Adjmi tells ...
The LP (from long playing [2] or long play) is an analog sound storage medium, specifically a phonograph record format characterized by: a speed of 33 + 1 ⁄ 3 rpm; a 12- or 10-inch (30- or 25-cm) diameter; use of the "microgroove" groove specification; and a vinyl (a copolymer of vinyl chloride acetate) composition disk.