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The flexi disc (also known as a phonosheet, Sonosheet or Soundsheet, a trademark) is a phonograph record made of a thin, flexible vinyl sheet with a molded-in spiral stylus groove, and is designed to be playable on a normal phonograph turntable. Flexible records were commercially introduced as the Eva-tone Soundsheet in 1962.
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 RIAA equalization curve for playback of vinyl records. The recording curve performs the inverse function, reducing low frequencies and boosting high frequencies. RIAA equalization is a specification for the recording and playback of phonograph records, established by the Recording Industry Association of America (RIAA).
The VinylDisc is a combination of a digital layer, either in CD or DVD format, and an analog layer, which is a vinyl record, developed by the German company Optimal Media Production. It consists of a silver layer containing CD or DVD and a black polyvinyl chloride layer (able to hold 3.5 minutes of audio on 33⅓ rpm) which can be played on a ...
A decal being attached to a piece of machinery. A decal (/ ˈ d iː k æ l /, US also / d ɪ ˈ k æ l /, CAN / ˈ d ɛ k əl /) [1] or transfer is a plastic, cloth, paper, or ceramic substrate that has printed on it a pattern or image that can be moved to another surface upon contact, usually with the aid of heat or water.
MP3, WMA, and M4A (Apple format) music files can contain embedded digital album artworks (called cover images or simply covers) in jpeg format. [15] One digital solution is the iTunes LP format for interactive album artwork introduced by Apple in 2009. Resolution for digital album covers should be at least 800×800 (1:1 aspect ratio); lower ...
Other major record companies who adopted this format include A&M, Arista, Atlantic, Capricorn, Elektra, Fantasy, Nonesuch, Reprise and Warner Bros. [3] This was the only discrete quadraphonic phonograph record system to gain major industry acceptance. A competing system, UD-4, was later introduced by Denon (Nippon Columbia).
These new picture discs were made by creating a five-layer lamination consisting of a core of black vinyl with kiln-dried paper decals on either side and then outer skins of clear vinyl film, manufactured by 3M, on the outsides. In manufacture, one layer of the clear film was first placed on the bed of the press on top of the stamper, then a ...