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Journal of the SMPTE ( Volume: 67, Issue: 11, November 1958)
[ACTIVE]

The Video Processing Amplifier in the Ampex Videotape Recorder

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
67, No. 11, pp. 726–729
Abstract
Due to stringent requirements of network television, especially with regard to the shape and transient noise content of synchronizing pulses, a special “processing amplifier” has been developed to insure acceptable video waveform at the output of the Videotape Recorder. Similar in concept to a stabilizing amplifier, the new device represents a logical extension of stabilizing techniques. In addition to the usual stabilizing amplifier functions, the processing amplifier provides for complete reblanking of the video waveform and precise gating of the sync pulses, insuring that noise transients in the black direction will not project beyond reference black level during the active portion of the horizontal cycle. These operations are controlled solely by timing information in the incoming sync pulses.
Publication Date
1958-11-01
DOI
10.5594/J17901
ISSN
Print: 0361-4573
Link
https://doi.org/10.5594/J17901
Author(s)
Ray M. DolbyCavendish Laboratory, University of Cambridge, Cambridge, England
Copyright
© 1958 Society of Motion Picture and Television Engineers, Inc.
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Ray M. Dolby; The Video Processing Amplifier in the Ampex Videotape Recorder, Journal of the SMPTE ( Volume: 67, Issue: 11, November 1958); SMPTE, 1958. Available at https://doi.org/10.5594/J17901
Snippet:
Ray M. Dolby; The Video Processing Amplifier in the Ampex Videotape Recorder, Journal of the SMPTE ( Volume: 67, Issue: 11, November 1958); SMPTE, 1958. Available at https://doi.org/10.5594/J17901

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Ray M. Dolby; The Video Processing Amplifier in the Ampex Videotape Recorder, Journal of the SMPTE ( Volume: 67, Issue: 11, November 1958); SMPTE, 1958. Available at https://doi.org/10.5594/J17901
Snippet:
<span class="citation">Ray M. Dolby; <cite>The Video Processing Amplifier in the Ampex Videotape Recorder</cite>, Journal of the SMPTE ( Volume: 67, Issue: 11, November 1958); SMPTE, 1958. Available at <a href="https://doi.org/10.5594/J17901" target="_blank" rel="noopener">https://doi.org/10.5594/J17901</a></span>

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Preview:
Ray M. Dolby; The Video Processing Amplifier in the Ampex Videotape Recorder, Journal of the SMPTE ( Volume: 67, Issue: 11, November 1958); SMPTE, 1958
doi: 10.5594/J17901
url: https://doi.org/10.5594/J17901
Snippet:
<li>
Ray M. Dolby; <cite id="bib-10-5594-j17901">The Video Processing Amplifier in the Ampex Videotape Recorder</cite>, Journal of the SMPTE ( Volume: 67, Issue: 11, November 1958); SMPTE, 1958
<span class="doi">10.5594/J17901</span>
</li>

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