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QS Regular Matrix
Quadraphonic Sound (originally called Quadphonic Synthesizer, and later referred to as RM or Regular Matrix) was a matrix 4-channel quadraphonic sound system for phonograph records. The system was based on technology created by Peter Scheiber, but further developed by engineer Ryosuke Ito of Sansui in the early 1970s. The technology was freely licensed and was adopted by many record labels including ABC, Advent, BluesWay, Candide, Command, Decca, Impulse, Longines, MCA, Passport, Pye, Turnabout and Vox. Hundreds of recordings using this format were released on vinyl LP records during the 1970s. RM (''Regular Matrix'') was often used a synonym for QS, but was actually a standard set by the Japanese governing body, which also embraced the QM (''Quadraphonic Matrix'', consisting of Stereo-4 and Dynaquad) and QX (''QuadXtra'', based on D.H. Cooper "Dual-Triphonic") matrix systems. The QS matrix has been found to offer the advantages of excellent diagonal separation and stereo c ...
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Vox Records
Vox Records is a budget classical record label. The name is Latin for "voice." Some Vox releases such as Peter Frankl's Debussy Piano Works and György Sándor's Complete Prokofiev Sonatas were reissued in premium vinyl boxsets by the audiophile German FSM Records Hamburg. The Brendel Complete Beethoven Sonatas has been remastered from the original tapes to SACD and for HD downloads. History Vox was founded in 1945 in New York by George Mendelssohn-Bartholdy, a Hungarian Jewish immigrant. Starting out with 78-rpm discs, it specialized in licensed pressings of European classical recordings. It was one of the last major recording companies to adopt stereo recording, about 1957. The company's output featured the "Vox Box", compilations of music by specific composers, such as piano music of Chopin, Tchaikovsky, and Ravel; the complete symphonies and orchestral music of Rachmaninoff; rarely heard orchestral music by Tchaikovsky, Massenet, and Rimsky-Korsakov; the complet ...
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Sound Production Technology
In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the brain. Only acoustic waves that have frequencies lying between about 20 Hz and 20 kHz, the audio frequency range, elicit an auditory percept in humans. In air at atmospheric pressure, these represent sound waves with wavelengths of to . Sound waves above 20 kHz are known as ultrasound and are not audible to humans. Sound waves below 20 Hz are known as infrasound. Different animal species have varying hearing ranges. Acoustics Acoustics is the interdisciplinary science that deals with the study of mechanical waves in gasses, liquids, and solids including vibration, sound, ultrasound, and infrasound. A scientist who works in the field of acoustics is an ''acoustician'', while someone working in the field of acoustical e ...
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Revolutions Per Minute
Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or with the notation min−1) is a unit of rotational speed or rotational frequency for rotating machines. Standards ISO 80000-3:2019 defines a unit of rotation as the dimensionless unit equal to 1, which it refers to as a revolution, but does not define the revolution as a unit. It defines a unit of rotational frequency equal to s−1. The superseded standard ISO 80000-3:2006 did however state with reference to the unit name 'one', symbol '1', that "The special name revolution, symbol r, for this unit is widely used in specifications on rotating machines." The International System of Units (SI) does not recognize rpm as a unit, and defines the unit of frequency, Hz, as equal to s−1. :\begin 1~&\text &&=& 60~&\text \\ \frac~&\text &&=& 1~&\text \end A corresponding but distinct quantity for describing rotation is angular velocity, for which the SI unit is the ra ...
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Suzanne Ciani
Suzanne Ciani (; born June 4, 1946) is an American musician, sound designer, composer, and record label executive who found early success in the 1970s with her electronic music and sound effects for films and television commercials. Her career has included works with quadraphonic sound. She has been nominated for a Grammy Award for Grammy Award for Best New Age Album, Best New Age Album five times. Her success with electronic music has her dubbed "Diva of the Diode" and "America's first female synth hero". Early life Ciani was born in an army hospital in Indiana. She was raised in Quincy, Massachusetts, a southern suburb of Boston. She has four sisters and Italian roots. Her father was a physician and she started to play the piano at six. From 1964 to 1968, Ciani studied Liberal arts, traditional liberal arts at Wellesley College in nearby Wellesley, Massachusetts, Wellesley where she received classical music training. She also took evening classes, one of which was at the Massac ...
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Electronic Music
Electronic music is a genre of music that employs electronic musical instruments, digital instruments, or circuitry-based music technology in its creation. It includes both music made using electronic and electromechanical means ( electroacoustic music). Pure electronic instruments depended entirely on circuitry-based sound generation, for instance using devices such as an electronic oscillator, theremin, or synthesizer. Electromechanical instruments can have mechanical parts such as strings, hammers, and electric elements including magnetic pickups, power amplifiers and loudspeakers. Such electromechanical devices include the telharmonium, Hammond organ, electric piano and the electric guitar."The stuff of electronic music is electrically produced or modified sounds. ... two basic definitions will help put some of the historical discussion in its place: purely electronic music versus electroacoustic music" ()Electroacoustic music may also use electronic effect units to ...
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Tommy (1975 Film)
''Tommy'' is a 1975 British satirical operetta fantasy drama film written and directed by Ken Russell and based upon The Who's 1969 rock opera album ''Tommy'' about a " psychosomatically deaf, mute, and blind" boy who becomes a pinball champion and religious leader. The film featured a star-studded ensemble cast, including the band members themselves (most notably, lead singer Roger Daltrey, who plays the title role), Ann-Margret, Oliver Reed, Eric Clapton, Tina Turner, Elton John, and Jack Nicholson. An independent production by Russell and Robert Stigwood, ''Tommy'' was released by Columbia Pictures in the US on 19 March 1975 while in the UK it was released on 26 March 1975. Ann-Margret received a Golden Globe Award for her performance and was also nominated for the Academy Award for Best Actress. Pete Townshend was also nominated for an Oscar for his work in scoring and adapting the music for the film. The film was shown at the 1975 Cannes Film Festival, but was not entere ...
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Bang & Olufsen
Bang & Olufsen (B&O) is a Danish high-end consumer electronics company that designs and manufactures audio products, television sets, and telephones. It was founded in 1925 by Peter Bang and Svend Olufsen, who designed a radio to work with alternating current, a product of significance at a time when most radios were still running on batteries. History Early history Peter Bang (1900–1957), son of Camillo Bang, a successful Danish businessman, showed great interest in radio technology from an early age. After graduating as an engineer in 1924, he spent six months working in a U.S. radio factory. Upon his return to Denmark, he teamed up with his friend Svend Olufsen (1897–1949), whose parents made the attic of their manor house in Struer in Jutland available for experiments. When they officially opened their business in 1925, Bang concentrated on the technology while Olufsen dealt with business. There were a number of successful developments in the 1930s and 1940s, includi ...
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Philips
Koninklijke Philips N.V. (), commonly shortened to Philips, is a Dutch multinational conglomerate corporation that was founded in Eindhoven in 1891. Since 1997, it has been mostly headquartered in Amsterdam, though the Benelux headquarters is still in Eindhoven. Philips was formerly one of the largest electronics companies in the world, but is currently focused on the area of health technology, having divested its other divisions. The company was founded in 1891 by Gerard Philips and his father Frederik, with their first products being light bulbs. It currently employs around 80,000 people across 100 countries. The company gained its royal honorary title (hence the ''Koninklijke'') in 1998 and dropped the "Electronics" in its name in 2013, due to its refocusing from consumer electronics to healthcare technology. Philips is organized into three main divisions: Personal Health (formerly Philips Consumer Electronics and Philips Domestic Appliances and Personal Care), Connecte ...
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Jim Fosgate
James M. Fosgate (born December 5, 1937 in Indianapolis, Indiana) was an American inventor, engineer and businessman. The self-taught son of a television and radio repairman, Fosgate invented the first car amplifier in 1973 and founded Fosgate Electronics, now called Rockford Fosgate. Since his departure from Rockford Fosgate in 1981, Fosgate has remained active in the audio world, running Fosgate Laboratories and leading the team that created Dolby Pro Logic II. Fosgate was also the developer of one of the finest quadraphonic decoders, the TATE II 101A (see Stereo Quadraphonic for details), in collaboration with Peter Scheiber and Martin Willcocks, which was superseded by his 3601 decoder. Audio career Collaborating with four channel matrix pioneer Peter Scheiber early on gave Fosgate's company the edge to become one of the leaders in the Dolby Surround market. In 2003 Fosgate received an Emmy Award for the development of surround sound for television.''Stereophile ''Stereop ...
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SQ / Stereo Quadraphonic
SQ, Sq, or sq may stand for: Psychology * Social intelligence quotient, a statistical abstraction of social intelligence * Systemizing quotient, a measure of a person's neurological tendency to systemize Science and technology * SQ (program), a program for compressing files on MS-DOS and CP/M * Sound quality, the characteristics of the output of a preamp, amp or sound system * Stereo quadraphonic, a matrix quadraphonic gramophone record format developed by CBS Other * ''Shakespeare Quarterly'', a quarterly academic journal on the works of William Shakespeare * Albanian language (ISO 639-1 language code sq) * Singapore Airlines (IATA airline designator SQ) * ''Space Quest'', a series of adventure games by Sierra Entertainment * Square, a type of measure of area, such as square foot (sq ft) * Block, Inc., financial services company (NYSE stock ticker SQ) * ''Sûreté du Québec'', the Quebec police force * An organization from the Infinity Ring book series *''SQ'', a short story b ...
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Stereo Quadraphonic
SQ Quadraphonic ("Stereo Quadraphonic") was a matrix 4-channel quadraphonic sound system for vinyl LP records. It was introduced by CBS Records (known in the United States and Canada as Columbia Records) in 1971. Many recordings using this technology were released on LP during the 1970s. Record companies who adopted this format include: Angel, CTI, Columbia (internationally called CBS Records), EMI, Epic, Eurodisc, Harvest, HMV, Seraphim, Supraphon and Vanguard. With matrix formats, the four sound channels (forward left, forward right, back left, back right) are converted (encoded) down to two channels (left, right). These are then passed through a two-channel transmission medium (usually an LP record) before being decoded back to four channels and presented to four speakers. The SQ encoding is based on the work by Peter Scheiber and further developed by Benjamin Bauer. His basic formula used 90 degree phase shift circuitry to enable enhanced 4-2-4 matrix systems to be devel ...
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