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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.
16 2/3rpm vinyl record: A label close-up on a 16rpm vinyl Mechanical analog; lateral groove, horizontal stylus motion - played at half the regular speed of an LP 1951 Minifon P55 Minifon cassette Analog, magnetic wire on reel, 30 cm/s or about 11.8 ips was quickly adopted by many governments as being the ultimate "spy" recorder of its day 1957
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.
US vinyl sales in units, 1995–2020; while album sales overall declined, those in the vinyl format rose toward the end of the 2010s. 2020 proved the most successful year for vinyl albums in MRC Data history (since 1991), with 27.5 million sold in the US.
Technological developments in the early 20th century led to the development of the vinyl LP record as an important medium for recorded music. In 1948, Columbia Records began to bring out 33 1 ⁄ 3 rpm twelve-inch extended-play LPs that could play for as long as 52 minutes, or 26 minutes per side.
Vinyl, on the other hand, demands attention in a different way. It's not just about the music; it's the ritual. From selecting a record, gingerly placing the needle, and watching it spin, there's ...
Two different ways of marking cut-out records on LP jackets. When LPs were the primary medium for the commercial distribution of sound recordings, manufacturers would cut the corner, punch a hole, or add a notch to the spine of the jacket of unsold records returned from retailers; these "cut-outs" might then be re-sold to record retailers or other sales outlets for sale at a discounted price.
While records are generally pressed on plain black vinyl, the album itself is given a much more ornamental appearance. This can include a solid color (other than black), splatter art, a marble look, or transparency (either tinged with a color or clear). Some examples of this can be seen to the right.