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Lacquer-coated discs are used for the production of records. Unlike ordinary vinyl records, which are quickly formed from lumps of plastic by a mass-production molding process, a lacquer master or acetate (instantaneous record) is created by using a recording lathe to cut an audio-signal-modulated groove into its surface – a sequential ...
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Three vinyl records of different formats, from left to right: a 12 inch LP, a 10 inch LP, a 7 inch single. A phonograph record (also known as a gramophone record, especially in British English) or a vinyl record (for later varieties only) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove.
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.
Most gold and platinum records are actually vinyl records which have been vacuum metallized and tinted, while trimmed and plated metal "masters", "mothers", or "stampers" (metal parts used for pressing records out of vinyl) were initially used. The music in the grooves on the record may not match the actual recording being awarded. [31]
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A separate scale is used for jazz, classical, and world music albums: sales exceeding 10,000 and 20,000 for Gold and Platinum awards respectively. ^ IX Polish sales figures provided refer to domestic "Pop" albums. Separate scales are used for jazz/blues/folk/source music/classical albums, and soundtracks.
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 ...