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    "abstract": "The design and manufacture of a sophisticated studio television system such as the GVG 300 production switcher can extend over many years. During that time, it can be expected that a number of design changes will occur, as a result of improving technology, added features. and. of course. the discovery that original design concepts may need modification.",
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    "authors": [
      {
        "affiliation": "The Grass Valley Group, Inc. Grass Valley, CA",
        "bio": "Howard P. Butler is currently a Senior Design Engineer in the Advanced Switcher Development department at The Grass Valley Group. Responsibilities include design of digital and microprocessor control hardware, as well as analog circuit design and software. Member of the SMPTE Working Group for the Standardization of Digital Control of Television Equipment. Attended New Mexico State University, 1968–1972.",
        "name": "Howard P. Butler"
      },
      {
        "affiliation": "The Grass Valley Group, Inc. Grass Valley, CA",
        "bio": "David C. White is currently a Staff Software Design Engineer working in Advanced Switcher Development at The Grass Valley Group, Inc. His previous responsibilities have included the software design and programming for the 300 Production Switcher as well as options to enhance the operational capabilities of the 300. He received his B.S. degree from Franklin University in 1967 and did postgraduate work in computer systems architecture with the United States Air Force.",
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      "year": "1983",
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    "docTitle": "Microprocessor Control Achieves Design Flexibility for Video Production Switchers",
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    "number": "20",
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    "pages": "253–264",
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    "volume": "1983",
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