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- M is the name of a professional analog videocassette format created around 1982 by Matsushita and RCA. Developed as a competitor to Sony's Betacam format, M used the same videocassette (and the same oxide-formulated magnetic tape stock) as VHS, much the same way that Betacam was designed to take advantage of cheap and readily available Betamax videocassettes, Like Betacam, M recorded component video and used a much faster linear tape speed. A cassette that would yield 120 minutes on a VHS VCR at SP speed would only yield 20 minutes on a M VCR. The format was called "M" due to the shape of the threading path of the tape around the helical scan video head drum, which resembles a letter M. (This is also how the U-matic format got its name, for its U-shaped tape path in the VCR.) The M-shaped tape path was retained from VHS. An example M VCR is the Panasonic AU-300. M had a similar 4-head recording system to Betacam, but the chrominance signals were recorded as two FM subcarriers of the main chrominance track FM carrier. M found little success in the professional/industrial video production market. This might have been due to RCA's Broadcast Products division, which marketed the M format in the United States under the "Hawkeye" brand name, going out of business in 1984. Thus NBC was one of the few broadcasters to use the format. Weak marketing by Matsushita for M might have been a factor as well. M was also marketed by Panasonic (a division of Matsushita) and Ampex under the Recam (REcording CAMera) name. M was succeeded in 1986 by the MII format developed by Panasonic, using a similar-sized cassette with completely different signal processing and a metal-particle tape formulation. (en)
- Il formato M è uno standard di videoregistrazione professionale, sviluppato e commercializzato nel 1982 da Matsushita e RCA, proposto come alternativa al formato Betacam della SONY. Lo stesso formato, con il nome Recam (REcording CAMera), fu commercializzato anche dalla Panasonic (divisione della stessa Matsushita) e dalla Ampex. (it)
- M規格 (エムきかく) は、家庭用ビデオテープ規格であるVHSのコンポーネントを活用して松下電器 (現：パナソニック) が米RCAと共同開発したアナログコンポーネント記録の放送業務 (ニュース取材) 用カセット式VTR。1981年にMビジョンのブランド名で発売された。 (ja)
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- Il formato M è uno standard di videoregistrazione professionale, sviluppato e commercializzato nel 1982 da Matsushita e RCA, proposto come alternativa al formato Betacam della SONY. Lo stesso formato, con il nome Recam (REcording CAMera), fu commercializzato anche dalla Panasonic (divisione della stessa Matsushita) e dalla Ampex. (it)
- M規格 (エムきかく) は、家庭用ビデオテープ規格であるVHSのコンポーネントを活用して松下電器 (現：パナソニック) が米RCAと共同開発したアナログコンポーネント記録の放送業務 (ニュース取材) 用カセット式VTR。1981年にMビジョンのブランド名で発売された。 (ja)
- M is the name of a professional analog videocassette format created around 1982 by Matsushita and RCA. Developed as a competitor to Sony's Betacam format, M used the same videocassette (and the same oxide-formulated magnetic tape stock) as VHS, much the same way that Betacam was designed to take advantage of cheap and readily available Betamax videocassettes, Like Betacam, M recorded component video and used a much faster linear tape speed. A cassette that would yield 120 minutes on a VHS VCR at SP speed would only yield 20 minutes on a M VCR. (en)
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- M (standard di videoregistrazione) (it)
- M (videocassette format) (en)
- M規格 (ja)
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