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Links to Bob Marley Song Lyrics | History of Sound In Chronological Order | |||||||
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History of Sound 4
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1947 Ampex produces its first tape recorder, the Model 200 and saw major improvements made in disk-cutting technology.
1947 The microgroove 33-1/3 rpm long-play vinyl record (LP) is introduced by Columbia Records. Scotch types 111 and 112 acetate-base tapes are introduced.
1947 Magnecord introduces its PT-6, the first tape recorder in portable cases.
1947 Ampex corporation, using Armour Research Foundation and German expertise and designs, produces its first professional tape recorder, the Model 200.
1947 The first catalogue of recorded music on tape appears in the United States. It is offered by Recording Associates company.
1947 Les Paul refines sound on sound and overdubbing. First 7" 45rpm released by RCA. LEF Magnecord produces the first U.S.-made stereo tape recorder, employing half-track staggered-head assemblies.
1947 A novel amplifier design is described by McIntosh and Gow.
1947 Roy Brown recorded one of the earliest "rock and roll" songs Good Rocking Tonight on Deluxe label, although the name was common in early blues recordings such as Trixie Smith's 1922 My Man Rocks Me With One Steady Roll.
1948 EMI sends its first prototype tape machine to BBC for trials.
1948 Studer opens for business selling oscilloscopes.
1948 The Audio Engineering Society (AES) is formed in New York City.
1949 Ampex model 300 "The Eighteen Months of Tape" 1947September to
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1949 March and CBS introduces the LP record.
1949 Todd Storz of Omaha's KOWH created the Top 40 charts after observing customers in a bar play the same juke box selection over and over.
1950 Popularization of stereo recording. Decca launches the LP in UK. Magnechord PT-6 stereo. Emory Cook, Bert Whyte, and Chet Similey.
1950 Sony founded in Japan. Guitarist Les Paul modifies his Ampex 300 with an extra preview head for "Sound-on-Sound" overdubs.
1950 IBM develops a commercial magnetic drum memory.
1950 Muddy Waters recorded Rollin' Stone for the Aristocrat label of Leonard and Phil Chess on Maxwell Street in Chicago, at the end of Highway 61, "the road to freedom" followed by many black blues singers from the Miss Delta to Chicago. Waters electrified the blues and helped create rock and roll.
1951 First prototype video tape recorder. Irish tape Opeleika Al. LEF EMI releases Stereosonic tapes. AF The "hot stylus" technique is introduced to disk recording.
1951 Sam Phillips in his studio in Memphis used his Ampex 350 tape machine to record Rocket 88, written by Ike Turner, sung by Jackie Brenston, and sold to Leonard and Phil Chess in Chicago who released it as the 78 rpm Chess record. The sale of this master tape allowed Phillips to start his own Sun Records label.
1951 An "Ultra-Linear" amplifier circuit is proposed by Hafler and Keroes. Pultec introduces the first active program equalizer, the EQP-1.
1951 The Germanium transistor is developed at Bell Laboratories.
1951 Bing Crosby Enterprises, the research team funded by Crosby and headed by engineer John Mullin, demonstrate a crude video recording system.
1952 The first Revox. TF Peter J. Baxandall publishes his (much-copied) tone control circuit. Emory Cook presses experimental dual-band left-right "binaural" disks.
1952 Alan Freed started Moondog's Rock and Roll Party in Cleveland after visit to Leo Mintz's record store.
1953 Elvis Presley in the summer made his first recording (a personal disc for himself, not for his mother's birthday that was in the spring) at the Sun studio of Sam Phillips in Memphis; the second recording by Elvis at Sun was That's All Right released 19th July
1954, taped on the two Ampex 350 recorders Phillips used to create the "slapback" audio delay that became a trademark sound of Sun records.
1953 Telefunken condenser mikes ($390) begin to replace RCA 77D ribbon mics ($135) as US standard recording tool. RCA and Crosby plan colour videotape.
1953 RIAA curve for records established.
1953 Ampex engineers a 4-track, 35 mm magnetic film system for 20th-Century Fox's Christmas release of "The Robe" in Cinemascope with surround sound. Ampex introduces the first high speed reel-to-reel duplicator as its Model 3200.
1954 Bill Haley recorded rhythmic Shake, Rattle and Roll and Rock Around the Clock on Decca, due to the success in 1953 of his first national rock hit Crazy Man Crazy on Essex label.
1954 First commercial stereo recordings on RCA and Mercury.
1954 Decca and Westrex begin work on stereo records; Ampex develops 1" eight track for Les Paul.
1954 Bell Labs invent transistor, Sony takes out license.
1954 Allen Fried labels "Rock n' Roll" and Elvis records for Sun.
1954 TF EMT (Germany) introduces the electromechanical reverberation plate. Sony produces the first pocket transistor radios.
1954 Ampex produces its Model 600 portable tape recorder.
1954 G. A. Briggs stages a live-versus-recorded demonstration in London's Royal Festival Hall.
1954 Westrex introduces their Model 2B motional feedback lateral-cut disk recording head.
1955 RCA introduces its polydirectional ribbon microphone, the 77DX.
1955 Popularization on recording. First Wollensack recorders appear a and educational standard through 1965
