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Journal of the SMPTE ( Volume: 84, Issue: 9, September 1975)
[ACTIVE]

Improving the Performance of Quadruplex Videotape Recorders Operating on the U.S. Domestic Standard

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
Significant improvements in the important performance parameters of a quadruplex recorder, such as video SNR and moire figure, are now attainable through appropriate modification of the video and FM operating parameters of the system. It is now practical by going to “super high band” to achieve at an economical tape speed of 7.5 in/s (19 cm/s) a video performance level equal to that at the normal 15-in/s (38-cm/s) operation and do this without resorting to the use of a high-energy tape. Substantial reduction of residual time base and velocity error and chroma amplitude error can also be achieved by a video pilot correction technique. Use of the video pilot technique enables the quadruplex system to operate with more latitude in the machine setup accuracy and the head-wheel physical tolerances.
Publication Date
1975-09-01
DOI
10.5594/J06884
Link
https://doi.org/10.5594/J06884
Author(s)
Koichi Sadashige
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J06884.json

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Koichi Sadashige; Improving the Performance of Quadruplex Videotape Recorders Operating on the U.S. Domestic Standard, Journal of the SMPTE ( Volume: 84, Issue: 9, September 1975); SMPTE, 1975. Available at https://doi.org/10.5594/J06884
Snippet:
Koichi Sadashige; Improving the Performance of Quadruplex Videotape Recorders Operating on the U.S. Domestic Standard, Journal of the SMPTE ( Volume: 84, Issue: 9, September 1975); SMPTE, 1975. Available at https://doi.org/10.5594/J06884

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Koichi Sadashige; Improving the Performance of Quadruplex Videotape Recorders Operating on the U.S. Domestic Standard, Journal of the SMPTE ( Volume: 84, Issue: 9, September 1975); SMPTE, 1975. Available at https://doi.org/10.5594/J06884
Snippet:
<span class="citation">Koichi Sadashige; <cite>Improving the Performance of Quadruplex Videotape Recorders Operating on the U.S. Domestic Standard</cite>, Journal of the SMPTE ( Volume: 84, Issue: 9, September 1975); SMPTE, 1975. Available at <a href="https://doi.org/10.5594/J06884" target="_blank" rel="noopener">https://doi.org/10.5594/J06884</a></span>

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Preview:
Koichi Sadashige; Improving the Performance of Quadruplex Videotape Recorders Operating on the U.S. Domestic Standard, Journal of the SMPTE ( Volume: 84, Issue: 9, September 1975); SMPTE, 1975
doi: 10.5594/J06884
url: https://doi.org/10.5594/J06884
Snippet:
<li>
Koichi Sadashige; <cite id="bib-10-5594-j06884">Improving the Performance of Quadruplex Videotape Recorders Operating on the U.S. Domestic Standard</cite>, Journal of the SMPTE ( Volume: 84, Issue: 9, September 1975); SMPTE, 1975
<span class="doi">10.5594/J06884</span>
</li>