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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.
The introduction of polyvinyl chloride in record production led to vinyl records, which played with less noise and more durability. [ 3 ] In the 1940s the market for commercial- and home-use recordings was dominated by the competing RCA Victor and Columbia Records , whose chief engineer Peter Carl Goldmark pioneered the development of the 12 ...
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.
In June 2017, Sony Music announced that by March 2018 it would be producing vinyl records in-house for the first time since ceasing its production in 1989. The BBC reported that "Sony's move comes a few months after it equipped its Tokyo studio with a cutting lathe, used to produce the master discs needed for manufacturing vinyl records", but the company "is even struggling to find older ...
Ring-and-spring microphones, such as this Western Electric microphone, were common during the electrical age of sound recording c. 1925–45.. The second wave of sound recording history was ushered in by the introduction of Western Electric's integrated system of electrical microphones, electronic signal amplifiers and electromechanical recorders, which was adopted by major US record labels in ...
To help you in your search, we asked our vinyl experts to share their go-to tips for identifying rare and valuable records. Meet the Expert Matthew Coates , owner of Big Dawg Records and Groove ...
The 10-inch and 12-inch LP record (long play), or 33 + 1 ⁄ 3 rpm microgroove vinyl record, is a gramophone record format introduced by Columbia Records in 1948. [15] A single LP record often had the same or similar number of tunes as a typical album of 78s, and it was adopted by the record industry as a standard format for the "album". [7]
Vinyl records are a medium with remarkable staying power. While tapes and CDs have gone the way of the dinosaur, vinyl has remained popular for music enthusiasts and collectors alike. $10,000 ...