Definição do conceito
[POR] Betamax | Betamax era um formato de gravação em fita caseiro de 12,7 mm idealizado e fabricado pela Sony. É derivado de um formato de fita profissional, o U-matic, com 19,1 mm. Era vendido sob o nome de Betacord pela Sanyo, mas frequentemente era apenas chamado de Beta. | Beta x VHS | Comparado ao VHS, o tamanho da fita cassete é menor e diz-se muito que possui uma qualidade de imagem superior ao VHS, mas era apenas um truque eletrônico que poderia ter sido incorporado ao VHS, mas que não foi. Outros diziam que a fita tinha uma melhor ligação com o maquinário de seus tocadores, fazendo com que a fita iniciasse mais rápido que o VHS. Passar do play ao fast forward ou ao rebobinamento da fita era de fato mais rápido, mas era porque a fita não saía do mecanismo antes, assim como a fita VHS faz. | HISTORIA | O Betamax chegou ao mercado em 1975 e cerca de dez anos depois perdeu definitivamente a batalha pela hegemonia de mercado para o VHS, apesar de uma grande campanha de marketing da Sony. | Dimensões da mídia : 155 x 95 x 25 mm, de acordo com o site "Lost Formats Preservations Society". | FONTE : Betamax. in: Wikipedia. Disponível em : https://pt.wikipedia.org/wiki/Betamax Acesso em: 18 nov. 2022
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[SPA] Betamax | Betamax, también conocido simplemente como Beta, es un formato de vídeo analógico hoy descatalogado. Introducido por Sony a principios de 1975, con el propósito de ser la alternativa en vídeo al clásico casete compacto de audio de Philips. Sony presentó al mercado su sistema de cinta de vídeo en color que permitía grabar programas de televisión, mientras el usuario veía otro canal al mismo tiempo. Su tamaño era más pequeño que su competencia VHS, de JVC. Betamax tenía una mejor calidad de imagen —unas 250 líneas de resolución horizontal— y también una mejor calidad de sonido. Por otro lado, el modelo de cinta VHS ofrecía más minutos que su rival, Betamax. Aunque llegó a existir un modelo de cinta Betamax L-1000, que ofrecía 2 horas en Beta I, 4 horas en Beta II y 6 horas en Beta III. Este fue poco común.| El sistema Betamax heredaba los detalles de diseño de dos formatos anteriores, la vídeograbadora de Sony (Videocorder) y el formato de vídeo profesional U-Matic, con lo que tendría una mecánica profesional muy cuidada con una vocación de vídeo aficionado, ofreciendo una mejor calidad de audio y un vídeo con más resolución y menos ruido. | FUENTE : Betamax. in: Wikipedia. Disponible en : https://es.wikipedia.org/wiki/Betamax Accesado en : 18 nov. 2022
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[ENG] Betamax | Betamax (also known as Beta, as in its logo) is a consumer-level analog recording and cassette format of magnetic tape for video, commonly known as a video cassette recorder. It was developed by Sony and was released in Japan on May 10, 1975, followed by the US in November of the same year. | Betamax is widely considered to be obsolete, having lost the videotape format war which saw its closest rival, VHS, dominate most markets. | Despite this, Betamax recorders continued to be manufactured and sold until August 2002, when Sony announced that they were discontinuing production of all remaining Betamax models. Sony continued to sell Betamax cassettes until March 2016. | Discontinuation and legacy | End of production : On November 10, 2015, Sony announced that it would no longer be producing Betamax video cassettes. Production and sales ended March 2016 after almost 41 years of continuous production. Third-party manufacturers continue to make new cassettes. While these cassettes are designed for use with the Betacam format, the cassettes are interchangeable with traditional Betamax systems. | Despite the sharp decline in sales of Betamax recorders in the late 1980s and subsequent halt in production of new recorders by Sony in 2002, Betamax, SuperBetamax and ED-Beta are still being used by a small number of people. Even though Sony stopped making new cassettes in 2016, new old stocks of Betamax cassettes are still available for purchase at online shops and used recorders (as well as cassettes) are often found at flea markets, thrift stores or on Internet auction sites. Early format Betacam cassettes—which are physically based on the Betamax cassette—continue to be available for use in the professional media. It is still used by few broadcasters, as it was succeeded by Betacam SP, its digital modifications and more recently by tapeless recording. | SOURCE : Betamax in : Wikipedia. Available at : https://en.wikipedia.org/wiki/Betamax Accessed : 18 nov. 2022
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[ENG] Betamax | Betamax | Synonym: Beta (ambiguation) | Dates: 1975 – late 1980s | Common Size(s): Tape width: ½" ; Cassette: 6?" × 3¾" × 1" | Description: Betamax is a magnetic tape-based analog video cassette format. It was a capture format and a commercial release video format. The tape is composed of magnetic particles, a binder, and a polyester base. Cassette dimensions are: 6?" × 3¾" × 1" with a tape width of ½". | Composition : Betamax is a magnetic tape-based analog video cassette format. It was a capture format and a commercial release video format. The tape is composed of magnetic particles, a binder, and a polyester base. Cassette dimensions are: 6?" × 3¾" × 1" with a tape width of ½". | SOURCE : The Preservation Self-Assessment Program (PSAP) - University of Illinois at Urbana-Champaign. Available at : https://psap.library.illinois.edu/collection-id-guide/ Accessed : 23 nov. 2022
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[ENG] Beta | Beta. A system of videorecording now using 1/2 inch tape [in a cassette]; now available as Beta 1, Beta 2, and Beta 3 ·recording systems. Beta 2 plays at a slower speed than Beta 1 ; Beta 3 is slower yet and allows for extended play as it records at a very slow speed allowing more hours of recording on a given length of tape. Term comes from the Sony trademark, Betamax™. (Urbanski, Verna. "Definitions and Explanations." Newsletter (On-Line Audiovisual Catalogers) 2: 2 (June 1982): 10-14) | SOURCE: OLSON, Nancy B. Audiovisual material glossary. Dublin, Ohio : OCLC, 1988. p. 38
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