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Aluminum Disc
In the field of audio recording, an aluminum disc (aluminium in the UK and elsewhere) is a phonograph (gramophone in the UK) record made of bare aluminum, a medium introduced in the late 1920s for making one-off recordings. Although sometimes used for making amateur studio or home recordings or in coin-operated "record-your-voice" booths at fairs and arcades, during the first half of the 1930s bare aluminum discs were primarily used to record radio broadcasts for the private transcription disc archives of performers or sponsors.''Documenting Early Radio: A Review of Existing Pre-1932 Radio Recordings''
Elizabeth McLeod, 1988-9



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Play Outside To Inside (4128786814)
Play most commonly refers to: * Play (activity), an activity done for enjoyment * Play (theatre), a work of drama Play may refer also to: Computers and technology * Google Play, a digital content service * Play Framework, a Java framework * Play Mobile, a Polish internet provider * Xperia Play, an Android phone * Rakuten.co.uk (formerly Play.com), an online retailer * Backlash (engineering), or ''play'', non-reversible part of movement * Petroleum play, oil fields with same geological circumstances * Play symbol, in media control devices * Play (hacker group), a ransomware extortion group Concert residencies and tours * Play Tour, concert tour headlined by Spanish singer Aitana * Play (concert residency), 2022 Katy Perry concert residency Film * Play (2005 film), ''Play'' (2005 film), Chilean film directed by Alicia Scherson * ''Play'', a 2009 short film directed by David Kaplan (filmmaker), David Kaplan * Play (2011 film), ''Play'' (2011 film), a Swedish film directed by Rube ...
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Aluminium
Aluminium (or aluminum in North American English) is a chemical element; it has chemical symbol, symbol Al and atomic number 13. It has a density lower than that of other common metals, about one-third that of steel. Aluminium has a great affinity towards oxygen, passivation (chemistry), forming a protective layer of aluminium oxide, oxide on the surface when exposed to air. It visually resembles silver, both in its color and in its great ability to reflect light. It is soft, magnetism, nonmagnetic, and ductility, ductile. It has one stable isotope, 27Al, which is highly abundant, making aluminium the abundance of the chemical elements, 12th-most abundant element in the universe. The radioactive decay, radioactivity of aluminium-26, 26Al leads to it being used in radiometric dating. Chemically, aluminium is a post-transition metal in the boron group; as is common for the group, aluminium forms compounds primarily in the +3 oxidation state. The aluminium cation Al3+ ...
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Old-time Radio
The Golden Age of Radio, also known as the old-time radio (OTR) era, was an era of radio in the United States where it was the dominant electronic home entertainment medium. It began with the birth of commercial radio broadcasting in the early 1920s and lasted through the 1950s, when television superseded radio as the medium of choice for scripted programming, variety and dramatic shows. Radio was the first broadcast medium, and during this period people regularly tuned in to their favorite radio programs, and families gathered to listen to the home radio in the evening. According to a 1947 C. E. Hooper survey, 82 out of 100 Americans were found to be radio listeners. A variety of new entertainment formats and genres were created for the new medium, many of which later migrated to television: radio plays, mystery serials, soap operas, quiz shows, talent shows, daytime and evening variety hours, situation comedies, play-by-play sports, children's shows, cooking show ...
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Transcription Disc
Electrical transcriptions are special phonograph recordings made exclusively for radio broadcasting,Browne, Ray B. and Browne, Pat, eds. (2001). ''The Guide to United States Popular Culture''. The University of Wisconsin Press. . P. 263. which were widely used during the " Golden Age of Radio". They provided material—from station-identification jingles and commercials to full-length programs—for use by local stations, which were affiliates of one of the radio networks. Physically, electrical transcriptions look much like long-playing records, but differ from consumer-oriented recordings in two major respects which gave longer playing time and reduced likelihood of diversion to private use: they are usually larger than diameter (often ) so did not fit on consumer playback equipment, and were recorded in a hill-and-dale, or vertical cutting action, as distinct from lateral modulation as in ordinary monophonic discs. They were distributed only to radio stations for the purpose ...
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Elizabeth McLeod
Elizabeth McLeod (born 1963) is a journalist and broadcast historian who lives and works on the coast of Maine. She is best known for her extensive research into the origin and history of ''Amos 'n' Andy'', an authoritative study first available on the Internet and then in her book, ''The Original Amos ’n’ Andy: Freeman Gosden, Charles Correll and the 1928–1943 Radio Serial''. Biography McLeod has written numerous articles on radio pioneers and the history of early radio. Her articles have appeared in such publications as ''Nostalgia Digest, Journal of the Radio Historical Association of Colorado'' and ''Radio Recall''. She has contributed to (among others) ''Exploring Cultural History: Living Through the Great Depression'' and ''Encyclopedia of Radio''. McLeod has also written liner notes for Radio Archives' ''Radio Legends: Matinee with Bob and Ray'' and other CD collections. Her major work, ''The Original Amos ’n’ Andy: Freeman Gosden, Charles Correll and the 1928� ...
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Noise
Noise is sound, chiefly unwanted, unintentional, or harmful sound considered unpleasant, loud, or disruptive to mental or hearing faculties. From a physics standpoint, there is no distinction between noise and desired sound, as both are vibrations through a medium, such as air or water. The difference arises when the brain receives and perceives a sound. Acoustic noise is any sound in the acoustic domain, either deliberate (e.g., music or speech) or unintended. In contrast, noise in electronics may not be audible to the human ear and may require instruments for detection. In audio engineering, noise can refer to the unwanted residual electronic noise signal that gives rise to acoustic noise heard as a hiss. This signal noise is commonly measured using A-weighting or ITU-R 468 weighting. In experimental sciences, noise can refer to any random fluctuations of data that hinders perception of a signal. Measurement Sound is measured based on the amplitude and frequency of ...
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Surface Noise
In sound and music production, sonic artifact, or simply artifact, refers to sonic material that is accidental or unwanted, resulting from the editing or manipulation of a sound. Types Because there are always technical restrictions in the way a sound can be recorded (in the case of acoustic sounds) or designed (in the case of synthesised or processed sounds), sonic errors often occur. These errors are termed artifacts (or sound/sonic artifacts), and may be pleasing or displeasing. A sonic artifact is sometimes a type of digital artifact, and in some cases is the result of data compression (not to be confused with dynamic range compression, which also may create sonic artifacts). Often an artifact is deliberately produced for creative reasons. For example to introduce a change in timbre of the original sound or to create a sense of cultural or stylistic context. A well-known example is the overdriving of an electric guitar or electric bass signal to produce a clipped, disto ...
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Pyral
Pyral SAS is a manufacturer of magnetic recording media products, based in Avranches, France. As of 2015, it is a subsidiary of Mulann, a French company in the smartcard and ticketing industry. In 1934, Pyral created a new type of transcription disc. Their innovation was to coat the aluminum disc with a layer of lacquer. These discs came to be known as lacquers or acetates. As of 2007, The company's primary product is perforated magnetic tape, used to record sound for movie productions. They also produce magnetic inks and slurries used in the production of magnetic stripe cards. Corporate history * Pyral made the original blank disks for the NASA Voyager spacecraft. * Pyral was originally based in Créteil, France, but moved to the Avranches location in 1985. * Prior to 2004, it was part of EMTEC, BASF, and Rhône-Poulenc Rhône-Poulenc () was a French chemical and pharmaceutical company founded in 1928. In 1999, it merged with Hoechst AG to form Aventis. As of 201 ...
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Presto Recording Corporation
Presto may refer to: Computing * Presto (browser engine), an engine previously used in the Opera web browser * Presto (operating system), a Linux-based OS by Xandros * Presto (SQL query engine), a distributed query engine * Presto (animation software), the in-house proprietary 3D animation software created and used by Disney and Pixar Music * ''Presto'' (music), a fast tempo marking * ''Presto'' (album) a 1989 album by Rush, or the album's title track * "Presto" (rapper) (1992–2024), German rapper * "Presto" (song), by No Money Enterprise, 2020 * Presto! Recording Studios, a studio in Nebraska, United States Companies and organizations * Presto (restaurant technology platform) * Presto (streaming company), an Australian streaming company * Presto (UK supermarket), a grocery chain in the U.K. from the 1960s to 1998 * Presto! Recording Studios, in Lincoln, Nebraska * Presto Studios, a computer game development company * National Presto Industries, manufacturer of kitchen ...
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Acetate Disc
An acetate disc (also known as a ''lacquer'', ''test acetate'', '' dubplate'', or '' transcription disc'') is a type of phonograph record generally used from the 1930s to the late 1950s for recording and broadcast purposes. Despite their name, "acetate" discs do not contain any acetate. 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 operation requiring expensive, delicate equipment and expert skill for good results. In addition to their use in the creation of masters, lacquers were widely used for many purposes before magnetic tape recorders became common, and in the modern era they are used by dance music DJs. They were used in radio broadcasting to archive live broadcasts, pre-record local ...
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Nitrocellulose Lacquer
Lacquer is a type of hard and usually shiny coating or finish applied to materials such as wood or metal. It is most often made from resin extracted from trees and waxes and has been in use since antiquity. Asian lacquerware, which may be called "true lacquer", are objects coated with the treated, dyed and dried sap of ''Toxicodendron vernicifluum'' or related trees, applied in several coats to a base that is usually wood. This dries to a very hard and smooth surface layer which is durable, waterproof, and attractive in feel and look. Asian lacquer is sometimes painted with pictures, inlaid with shell and other materials, or carved, as well as dusted with gold and given other further decorative treatments. In modern techniques, lacquer means a range of clear or pigmented coatings that dry by solvent evaporation to produce a hard, durable finish. The finish can be of any sheen level from ultra matte to high gloss, and it can be further polished as required. Lacquer finish ...
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SoundScriber
SoundScriber is a dictation machine introduced in 1945 by The SoundScriber Corp. (New Haven, Connecticut, United States). It records sound with a groove embossed into soft vinyl discs with a stylus. by Soundscriber's chief engineer, has technical details of the machines Similar competing recording technologies are the Gray Audograph and Dictaphone DictaBelt. The machine can record 15 minutes of dictation on each side of a thin (.01-inch) flexible 6-inch vinyl disc spinning at a rate of RPM, at a density of 200 grooves per inch. The discs originally cost about 10 cents each. The machine has two tonearms: a recording arm driven by a worm gear that creates the groove with a diamond stylus, and a pickup arm with a sapphire stylus for playback. A foot-operated playback/pause—and-reverse switch is used for transcribing. Unlike some other recording technologies of the time, the recording stylus creates the groove not by cutting the vinyl but by embossing (plastically deforming ...
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