-
1 инженер по видеозаписи
Engineering: video recording engineerУниверсальный русско-английский словарь > инженер по видеозаписи
-
2 Poniatoff, Alexander Mathew
[br]b. 25 March 1892 Kazan District, Russiad. 24 October 1980[br]Russian (naturalized American in 1932) electrical engineer responsible for the development of the professional tape recorder and the first commercially-successful video tape recorder (VTR).[br]Poniatoff was educated at the University of Kazan, the Imperial College in Moscow, and the Technische Hochschule in Karlsruhe, gaining degrees in mechanical and electrical engineering. He was in Germany when the First World War broke out, but he managed to escape back to Russia, where he served as an Air Force pilot with the Imperial Russian Navy. During the Russian Revolution he was a pilot with the White Russian Forces, and escaped into China in 1920; there he found work as an assistant engineer in the Shanghai Power Company. In 1927 he immigrated to the USA, becoming a US citizen in 1932. He obtained a post in the research and development department of the General Electric Company in Schenectady, New York, and later at Dalmo Victor, San Carlos, California. During the Second World War he was involved in the development of airborne radar for the US Navy.In 1944, taking his initials to form the title, Poniatoff founded the AMPEX Corporation to manufacture components for the airborne radar developed at General Electric, but in 1946 he turned to the production of audio tape recorders developed from the German wartime Telefunken Magnetophon machine (the first tape recorder in the truest sense). In this he was supported by the entertainer Bing Crosby, who needed high-quality replay facilities for broadcasting purposes, and in 1947 he was able to offer a professional-quality product and the business prospered.With the rapid post-war boom in television broadcasting in the USA, a need soon arose for a video recorder to provide "time-shifting" of live TV programmes between the different US time zones. Many companies therefore endeavoured to produce a video tape recorder (VTR) using the same single-track, fixed-head, longitudinal-scan system used for audio, but the very much higher bandwidth required involved an unacceptably high tape-speed. AMPEX attempted to solve the problem by using twelve parallel tracks and a machine was demonstrated in 1952, but it proved unsatisfactory.The development team, which included Charles Ginsburg and Ray Dolby, then devised a four-head transverse-scan system in which a quadruplex head rotating at 14,400 rpm was made to scan across the width of a 2 in. (5 cm) tape with a tape-to-head speed of the order of 160 ft/sec (about 110 mph; 49 m/sec or 176 km/h) but with a longitudinal tape speed of only 15 in./sec (0.38 m/sec). In this way, acceptable picture quality was obtained with an acceptable tape consumption. Following a public demonstration on 14 April 1956, commercial produc-tion of studio-quality machines began to revolutionize the production and distribution of TV programmes, and the perfecting of time-base correctors which could stabilize the signal timing to a few nanoseconds made colour VTRs a practical proposition. However, AMPEX did not rest on its laurels and in the face of emerging competition from helical scan machines, where the tracks are laid diagonally on the tape, the company was able to demonstrate its own helical machine in 1957. Another development was the Videofile system, in which 250,000 pages of facsimile could be recorded on a single tape, offering a new means of archiving information. By 1986, quadruplex VTRs were obsolete, but Poniatoff's role in making television recording possible deserves a place in history.Poniatoff was President of AMPEX Corporation until 1955 and then became Chairman of the Board, a position he held until 1970.[br]Further ReadingA.Abrahamson, 1953, "A short history of television recording", Part I, JSMPTE 64:73; 1973, Part II, Journal of the Society of Motion Picture and Television Engineers, 82:188 (provides a fuller background).Audio Biographies, 1961, ed. G.A.Briggs, Wharfedale Wireless Works, pp. 255–61 (contains a few personal details about Poniatoff's escape from Germany to join the Russian Navy).E.Larsen, 1971, A History of Invention.Charles Ginsburg, 1981, "The horse or the cowboy. Getting television on tape", Journal of the Royal Television Society 18:11 (a brief account of the AMPEX VTR story).KF / GB-NBiographical history of technology > Poniatoff, Alexander Mathew
-
3 Blumlein, Alan Dower
SUBJECT AREA: Aerospace, Broadcasting, Electronics and information technology, Photography, film and optics, Recording, Telecommunications[br]b. 29 June 1903 Hampstead, London, Englandd. 7 June 1942[br]English electronics engineer, developer of telephone equipment, highly linear electromechanical recording and reproduction equipment, stereo techniques, video and radar technology.[br]He was a very bright scholar and received a BSc in electrical technology from City and Guilds College in 1923. He joined International Western Electric (later to become Standard Telephone and Cables) in 1924 after a period as an instructor/demonstrator at City and Guilds. He was instrumental in the design of telephone measuring equipment and in international committee work for standards for long-distance telephony.From 1929 Blumlein was employed by the Columbia Graphophone Company to develop an electric recording cutterhead that would be independent of Western Electric's patents for the system developed by Maxfield and Harrison. He attacked the problems in a most systematic fashion, and within a year he had developed a moving-coil cutterhead that was much more linear than the iron-cored systems known at the time. Eventually Blumlein designed a complete line of recording equipment, from microphone and through-power amplifiers. The design was used by Columbia; after the merger with the Gramophone Company in 1931 to form Electrical and Musical Industries Ltd (later known as EMI) it became the company standard, certainly for coarse-groove records, until c.1950.Blumlein became interested in stereophony (binaural sound), and developed and demonstrated a complete line of equipment, from correctly placed microphones via two-channel records and stereo pick-ups to correctly placed loudspeakers. The advent of silent surfaces of vinyl records made this approach commercial from the late 1950s. His approach was independent and quite different from that of A.C. Keller.His extreme facility for creating innovative solutions to electronic problems was used in EMI's development from 1934 to 1938 of the electronic television system, which became the BBC standard of 405 lines after the Second World War, when television broadcasting again became possible. Independent of official requirements, EMI developed a 60 MHz radar system and Blumlein was involved in the development of a centimetric radar and display system. It was during testing of this aircraft mounted equipment that he was killed in a crash.[br]BibliographyBlumlein was inventor or co-inventor of well over 120 patents, a complete list of which is to be found in Burns (1992; see below). The major sound-recording achievements are documented by British patent nos. 350,954, 350,998, 363,627 (highly linear cutterhead, 1930) and 394,325 (reads like a textbook on stereo technology, 1931).Further ReadingThe definitive biography of Blumlein has not yet been written; the material seems to have been collected, but is not yet available. However, R.W.Burns, 1992, "A.D.Blumlein, engineer extraordinary", Engineering Science and Education Journal (February): 19– 33 is a thorough account. Also B.J.Benzimra, 1967, "A.D. Blumlein: an electronics genius", Electronics \& Power (June): 218–24 provides an interesting summary.GB-N -
4 Goldmark, Peter Carl
[br]b. 2 December 1906 Budapest, Hungaryd. 7 December 1977 Westchester Co., New York, USA[br]Austro-Hungarian engineer who developed the first commercial colour television system and the long-playing record.[br]After education in Hungary and a period as an assistant at the Technische Hochschule, Berlin, Goldmark moved to England, where he joined Pye of Cambridge and worked on an experimental thirty-line television system using a cathode ray tube (CRT) for the display. In 1936 he moved to the USA to work at Columbia Broadcasting Laboratories. There, with monochrome television based on the CRT virtually a practical proposition, he devoted his efforts to finding a way of producing colour TV images: in 1940 he gave his first demonstration of a working system. There then followed a series of experimental field-sequential colour TV systems based on segmented red, green and blue colour wheels and drums, where the problem was to find an acceptable compromise between bandwidth, resolution, colour flicker and colour-image breakup. Eventually he arrived at a system using a colour wheel in combination with a CRT containing a panchromatic phosphor screen, with a scanned raster of 405 lines and a primary colour rate of 144 fields per second. Despite the fact that the receivers were bulky, gave relatively poor, dim pictures and used standards totally incompatible with the existing 525-line, sixty fields per second interlaced monochrome (black and white) system, in 1950 the Federal Communications Commission (FCC), anxious to encourage postwar revival of the industry, authorized the system for public broadcasting. Within eighteen months, however, bowing to pressure from the remainder of the industry, which had formed its own National Television Systems Committee (NTSC) to develop a much more satisfactory, fully compatible system based on the RCA three-gun shadowmask CRT, the FCC withdrew its approval.While all this was going on, Goldmark had also been working on ideas for overcoming the poor reproduction, noise quality, short playing-time (about four minutes) and limited robustness and life of the long-established 78 rpm 12 in. (30 cm) diameter shellac gramophone record. The recent availability of a new, more robust, plastic material, vinyl, which had a lower surface noise, enabled him in 1948 to reduce the groove width some three times to 0.003 in. (0.0762 mm), use a more lightly loaded synthetic sapphire stylus and crystal transducer with improved performance, and reduce the turntable speed to 33 1/3 rpm, to give thirty minutes of high-quality music per side. This successful development soon led to the availability of stereophonic recordings, based on the ideas of Alan Blumlein at EMI in the 1930s.In 1950 Goldmark became a vice-president of CBS, but he still found time to develop a scan conversion system for relaying television pictures to Earth from the Lunar Orbiter spacecraft. He also almost brought to the market a domestic electronic video recorder (EVR) system based on the thermal distortion of plastic film by separate luminance and coded colour signals, but this was overtaken by the video cassette recorder (VCR) system, which uses magnetic tape.[br]Principal Honours and DistinctionsInstitute of Electrical and Electronics Engineers Morris N.Liebmann Award 1945. Institute of Electrical and Electronics Engineers Vladimir K. Zworykin Award 1961.Bibliography1951, with J.W.Christensen and J.J.Reeves, "Colour television. USA Standard", Proceedings of the Institute of Radio Engineers 39: 1,288 (describes the development and standards for the short-lived field-sequential colour TV standard).1949, with R.Snepvangers and W.S.Bachman, "The Columbia long-playing microgroove recording system", Proceedings of the Institute of Radio Engineers 37:923 (outlines the invention of the long-playing record).Further ReadingE.W.Herold, 1976, "A history of colour television displays", Proceedings of the Institute of Electrical and Electronics Engineers 64:1,331.See also: Baird, John LogieKF -
5 pris
pris, prise1 [pʀi, pʀiz]a. [place] taken• ça me fera 250 €, c'est toujours ça de pris (inf) I'll get 250 euros, that's better than nothingb. [personne] busy• désolé, je suis pris sorry, I'm busyc. [nez] blocked ; [gorge] hoarsed. [crème, mayonnaise] sete. ( = envahi par) pris de remords overcome with remorse* * *
1.
2.
1) ( occupé) busyje suis pris — ( pour l'instant) I'm busy; ( pour la période qui vient) I've got something on
2) ( gelé) frozen3) ( encombré) [nez] stuffed up; [bronches] congested4) ( affecté)être pris de nausées — to feel sick GB ou nauseous US
* * *pʀi, pʀiz pris, -e1. ppSee:2. adj1) (place) taken2)3) (mains) full4) (personne) busyJe serai très pris la semaine prochaine. — I'll be very busy next week.
5) (= saisi)* * *A pp ⇒ prendre.B pp adj1 ( occupé) busy; nous sommes très pris cette semaine we're very busy this week; si vous n'êtes pas pris if you're not doing anything; je suis pris ( pour l'instant) I'm busy; ( pour la période qui vient) I've got something on; ma journée est prise I'm busy all day; j'ai les mains prises I've got my hands full; les places sont toutes prises all the seats are taken;2 ( vendu) sold; tout a été pris en une heure everything was sold in one hour; toutes les places sont prises it's sold out;3 ( gelé) frozen; les eaux du lac sont prises the lake is frozen;5 ( affecté) pris de overcome with [inquiétude, remords, envie]; pris de panique panic-stricken; être pris de fièvre to have a temperature; être pris de regrets/terreur/désespoir to be full of ou overcome with regret/terror/despair; être pris de nausées to feel sick GB ou nauseous US; pris de boisson under the influence.C prise nf1 Mil ( capture) capture; ( assaut) storming; la prise de Monastir the capture of Monastir; la prise de la Bastille the storming of the Bastille;3 Chasse, Pêche (au filet, piège) catching ¢; prise d'une panthère au filet catching a panther in a net; une belle prise ( pêche sportive) a fine catch; ( pêche commerciale) a fine haul;5 ( point permettant de saisir) hold; avoir du mal à trouver une prise to have trouble finding a hold; n'offrir aucune prise lit ( pour la main) to have no handholds; ( pour le pied) to have no footholds; fig [personne] to be impossible to pin down; avoir prise sur qn to have a hold over sb; avoir prise sur qch to have leverage on sth; donner or laisser prise à [personne] to lay oneself open to; être en prise Aut [moteur, conducteur] to be in gear; être en prise (directe) avec qch [personne] to be in (close) touch with sth; être en prise avec l'actualité [journal] to have its finger on the pulse of events;6 ( absorption) la prise d'alcool est déconseillée pendant le traitement do not take alcohol during the course of treatment; à ingérer en trois prises quotidiennes to be taken three times daily;7 ( solidification) setting ¢;8 Électrotech ( femelle) socket GB, outlet US; ( mâle) plug; prise à deux fiches two-pin plug; prise multiple ( domino) (multiplug) adaptor; ( sur une rallonge) trailing socket; prise triple ( domino) three-way adaptor; ( sur une rallonge) three-way trailing socket;prise d'air gén air inlet; Aviat air intake; prise d'antenne Radio, TV ( femelle) aerial socket; ( mâle) aerial plug; prise d'armes Mil military parade; prise d'assaut Mil storming ¢; prise de bec○ row○, argument; prise en charge Prot Soc granting¢ of benefits; Transp ( dans un taxi) minimum fare; prise en compte consideration (de of); prise de conscience realization; prise de contact initial contact; prise de contrôle Fin takeover; prise de corps Jur arrest; prise de courant Électrotech ( femelle) socket GB, outlet US; prise de décision decision-making ¢; prise d'eau Constr water supply point; prise de guerre Mil spoils (pl) of war; prise de fonctions (de président, dirigeant) inauguration; ( d'employé) first day at work; prise d'otages Mil hostage-taking ¢; prise de participation Fin acquisition of a stake (dans in); prise de pouvoir Pol takeover; prise de position Pol stand; prise de sang Méd blood test; faire une prise de sang à qn to take a blood sample from sb; prise de son Cin, Radio, TV sound recording ¢; prise de terre Électrotech earth GB, ground US; prise de vue Cin, Vidéo shooting ¢; Phot shot.être aux prises avec des difficultés to be grappling with difficulties; être aux prises avec ses concurrents to be doing battle with one's competitors.→ link=prendre prendre————————1. [occupé - personne] busyaide-moi, tu vois bien que j'ai les mains prises help me, can't you see my hands are full?[nez] blocked3. [envahi]————————prise nom féminintrouve une prise et dis-moi quand tu es prêt à soulever (le piano) get a grip (on the piano) and tell me when you're ready to lift ita. [personne] to lay oneself open to attackb. [idée, réalisation] to be open to attack2. [absorption - d'un médicament] takingla prise d'insuline doit se faire aux heures prescrites insulin must be injected at the prescribed times5. ÉLECTRICITÉprise (de courant) ou électriquea. [mâle] plugb. [femelle] socket6. TECHNOLOGIEa. [ouverture] air inletb. [introduction d'air] ventilationà prise rapide [ciment, colle] quick-setting8. [dans des expressions]ma première prise de conscience de la souffrance humaine the first time I became aware of human sufferinga. [action] taking the habitb. [cérémonie] professionprise de parole: encore trois prises de parole avant la fin de la session three more speeches to go before the end of the sessionprise de position opinion, standa. [d'un héritage] acquisitionb. [d'un territoire] taking possessiona. [légale] (political) takeoverb. [illégale] seizure of poweraux prises avec locution prépositionnelleje l'ai laissé aux prises avec un problème de géométrie I left him grappling ou wrestling with a geometry problem————————en prise locution adverbialemets-toi en prise put the car in ou into gear————————en prise locution adjectivaleêtre en prise (directe) avec la réalité (figuré) to have a good hold on ou to have a firm grip on realityprise de bec nom fémininprise de sang nom fémininprise de son nom fémininla prise de son est de Raoul Fleck sound (engineer), Raoul Fleckprise de vues nom féminin[image] (camera) shotprise de vues: Marie Vilmet camera: Marie Vilmetprise en charge nom féminin2. [par un taxi] minimum (pick-up) charge -
6 Dolby, Ray M.
[br]b. 1933 Portland, Oregon, USA[br]American electronics engineer who developed professional systems for noise reduction.[br]He was employed by Ampex Corporation from 1949 to 1957 and received a BSc in electrical engineering from Stanford University in 1957. He studied in England and received a PhD in physics from Cambridge University in 1961. He was a United Nations adviser in India 1963–5 and established the Dolby Laboratories in London in 1965. The Dolby Laboratories continuously developed systems for background-noise reduction, and in 1966 introduced Dolby A for professional tape and film formats. In 1968 Dolby B was developed and quickly found its use in the Philips Compact Cassette, which had become the new consumer medium for music. In 1981 Dolby C was an improvement designed for the consumer market, but it also was used in professional video equipment. In 1986 Dolby SR was introduced for professional sound recording. It is a common feature that the equipment has to be in a good state of calibration in order to obtain the advantages of these compander systems.[br]Principal Honours and DistinctionsOBE 1986.GB-N
См. также в других словарях:
Andrew Jackson (recording engineer) — Andrew Jackson is a British recording engineer famous for his work with the British band Pink Floyd. He first helped out on the film soundtrack to Pink Floyd The Wall in 1982. He also co engineered The Final Cut with James Guthrie and did all of… … Wikipedia
Recording contract — A recording contract (commonly called a record deal) is a legal agreement between a record label and a recording artist (or group), where the artist makes a record (or series of records) for the label to sell and promote. Artists under contract… … Wikipedia
Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… … Wikipedia
recording — noun ADJECTIVE ▪ excellent, fine, good ▪ accurate, careful, detailed ▪ an accurate recording of time ▪ … Collocations dictionary
Video monitor — A video monitor also called a broadcast monitor, is a device similar to a television, used to monitor the output of a video generating device, such as a media playout server, IRD, video camera, VCR, or DVD player. It may or may not have audio… … Wikipedia
David Richardson (audio engineer) — David Richardson, born in Harpenden, Hertfordshire, is an English music producer, audio engineer and musician. In 1968 he founded Sky Studios with rock band Jethro Tull, the Studio later evolved to become leading facilities house, Sound Recording … Wikipedia
magnetic recording — magnetic recorder. the process of recording sound or other data on magnetic tape, wire, etc. [1940 45] * * * ▪ electronics Introduction method of preserving sounds, pictures, and data in the form of electrical signals through the selective… … Universalium
John Wheeler (audio/video technologist) — John Henry Wheeler (born 1957 in Bristol, Tennessee) is an Emmy Award winning audio/video engineer, computer programmer, and developer of the Penteo surround sound process. A teenager in the 1970s, John worked as an apprentice recording engineer… … Wikipedia
Multitrack recording — The TASCAM 85 16B analog tape recorder can record 16 tracks of audio on 1 inch (2.54cm) tape. Professional analog units of 24 tracks on 2 inch tape were common, with specialty tape heads providing 16 or even 8 tracks on the same tape width, for… … Wikipedia
McCune Audio/Video/Lighting — McCune Audio Video Lighting Type Audio/Video/Lighting Rental and Production Industry Professional Audio Founded 1932 Headquarters San Franc … Wikipedia
Reel-to-reel audio tape recording — Reel to reel redirects here. For the music group, see Reel 2 Real. For other uses, see roll to roll processing. A reel to reel tape recorder (Sony TC 630), typical of those which were once common audiophile objects. Note the distinctive Scotch… … Wikipedia
