An Intelligent Time Code Peripheral for Computer Based Video Tape Editing Systems

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 1983, No. 20, pp. 223–232
Abstract: In 1969 SMPTE proposed a standard time code, now familiarly known as Longitudinal Time Code (LTC), which laid the foundation for computer based video tape editing systems. In the following year, the semiconductor industry introduced the first microprocessor chip. Eleven years later in 1981, SMPTE proposed a new time code standard called Vertical Interval Time Code (VITC) for high performance video tape editing systems, and this standard was adapted to PAL and SECAM systems by the European Broadcasting Union (EBU). At the same time, the semiconductor industry introduced a new generation of high performance microcomputer chips which far exceeded the capabilities of the earlier microprocessors. This paper reviews the differences between VITC and LTC, and discusses an intelligent time code peripheral, packaged in a single 1–3/4 inch rack-mounted chassis, which employs modern microcomputer technology to simultaneously generate and read both time codes for use in NTSC, PAL, and SECAM systems.
Publication Date: 1983-02-01
DOI: 10.5594/M00609
Link: https://doi.org/10.5594/M00609
Author(s): Michael RaceloEECO Inc. Santa Ana, CA
bio
Michael Racelo received his B.S.E.E. from the University of Hawaii in 1970 and his M.S.E.E. from the University of California, Santa Barbara in 1975. He has been developing and designing hardware and software for missile guidance systems, digital electronic instruments and video editing systems since 1971. With EECO Inc., since early 1981, he has worked on the company's line of computer controls for video production, particularly as project engineer for EECO's VIG-850 and VIR-950 VITC products. Presently, he is involved in developing interfaces for EECO's new intelligent video editing system-IVES.
Copyright: © 1983 Society of Motion Picture and Television Engineers, Inc.

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Michael Racelo; An Intelligent Time Code Peripheral for Computer Based Video Tape Editing Systems, SMPTE Meetings and Conferences ( February 1983); SMPTE, 1983. Available at https://doi.org/10.5594/M00609

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Michael Racelo; An Intelligent Time Code Peripheral for Computer Based Video Tape Editing Systems, SMPTE Meetings and Conferences ( February 1983); SMPTE, 1983. Available at https://doi.org/10.5594/M00609

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<span class="citation">Michael Racelo; <cite>An Intelligent Time Code Peripheral for Computer Based Video Tape Editing Systems</cite>, SMPTE Meetings and Conferences ( February 1983); SMPTE, 1983. Available at <a href="https://doi.org/10.5594/M00609" target="_blank" rel="noopener">https://doi.org/10.5594/M00609</a></span>

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Michael Racelo; An Intelligent Time Code Peripheral for Computer Based Video Tape Editing Systems, SMPTE Meetings and Conferences ( February 1983); SMPTE, 1983
doi: 10.5594/M00609
url: https://doi.org/10.5594/M00609

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<li>
Michael Racelo; <cite id="bib-10-5594-m00609">An Intelligent Time Code Peripheral for Computer Based Video Tape Editing Systems</cite>, SMPTE Meetings and Conferences ( February 1983); SMPTE, 1983
<span class="doi">10.5594/M00609</span>
</li>