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SMPTE Journal ( Volume: 92, Issue: 9, September 1983)
[ACTIVE]

8–9 Block Code: A DC-Free Channel Code for Digital Magnetic Recording

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
92, No. 9, pp. 918–922
Abstract
This article describes the 8–9 block code, a dc-free channel code for use in digital magnetic recording. The coding strategy is discussed, as well as results of investigation of the properties of the code by computer simulation and hardware experiment. This code can be applied to a digital VTR without major modification to the recording and playback circuits which were previously used for the 8–10 block code. Although further study is required for selecting the best channel code for the digital VTR, the 8–9 block code may be considered a reasonable compromise between the 8–10 block code and the 8-bit code without overhead.
Publication Date
1983-09-01
DOI
10.5594/J03664
ISSN
Print: 0036-1682
Link
https://doi.org/10.5594/J03664
Author(s)
Hirofumi YoshidaSony Corp., Kanagawa-ken, Japan.
Toshiyuki ShimadaSony Corp., Kanagawa-ken, Japan.
Yoshitaka HashimotoSony Corp., Kanagawa-ken, Japan.
Copyright
© 1983 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Baldwin J. , “Digital Television Recording with Low Tape Consumption,” IBC ′78 Record, pp. 133 – 136 , 1978 . EXTERNAL
  • 10. Heitmann J. Socher J. , “Recent Development for Digital VTR: Channel Coding and Error Protection,” IBC ′82 Record, pp. 221 – 225 , 1982 . EXTERNAL
  • 11. Yoshida H. Eguchi T. , “Digital Video Recording Based on the Proposed Format from Sony,” presented at the 124th SMPTE Technical Conference, November 7–12, 1982 , New York. EXTERNAL
  • 2. Mallinson J. C. Miller J. W. , “Optimal Codes for Digital Magnetic Recording,” The Radio and Electronic Engineer , Vol. 47 , No. 4 , pp. 172 – 176 , April 1977 . EXTERNAL
  • 3. Kobayashi H. Tang D. T. , “Application of Partial Response Channel Coding to Magnetic Recording Systems,” IBM Journal of Research and Development , Vol. 14 , No. 4 , pp. 368 – 375 , July 1970 . EXTERNAL
  • 4. Yokoyama K. Nakagawa S. , “An Experiment of Channel Coding for Digital VTR,” 12th International Television Symposium, Equipment Innovation Sessions, pp. 251 – 261 , Montreux, 1981 . EXTERNAL
  • 5. Etoh Y. Mita S. Hirano Y. , “Experimental Digital VTR with Tri-Level Recording and Fire Code Error Correction,” Digital Video , Vol. 3 , pp. 182 – 189 , SMPTE, June 1980 . EXTERNAL
  • 6. Tang D. T. Bahl L. R. , “Block Code a Class of Constrained Noiseless Channels,” Information and Control 17 , pp. 436 – 461 , 1970 . EXTERNAL
  • 7. Rooney J. A. , “Improved Rate 6/8(0,3) Code and Implementation,” IBM Technical Disclosure Bulletin , Vol. 22 , No. 5 , pp. 2025 – 2032 , October 1979 . EXTERNAL
  • 8. Cariolaro G. L. Tronca G. P. , “Spectra of Block Coded Digital Signals,” IEEE Trans. Commun , Vol. COM-22 , No. 10 , pp. 1555 – 1567 , October 1974 . EXTERNAL
  • 9. Morizono M. Yoshida H. Hashimoto Y. Eguchi T. , “Digital Video Tape Recording with Increased Packing Density — Progress Report,” Television Technology in the ′80s , SMPTE , pp. 34 – 44 , 1981 . EXTERNAL
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Hirofumi Yoshida, Toshiyuki Shimada, and Yoshitaka Hashimoto; 8–9 Block Code: A DC-Free Channel Code for Digital Magnetic Recording, SMPTE Journal ( Volume: 92, Issue: 9, September 1983); SMPTE, 1983. Available at https://doi.org/10.5594/J03664
Snippet:
Hirofumi Yoshida, Toshiyuki Shimada, and Yoshitaka Hashimoto; 8–9 Block Code: A DC-Free Channel Code for Digital Magnetic Recording, SMPTE Journal ( Volume: 92, Issue: 9, September 1983); SMPTE, 1983. Available at https://doi.org/10.5594/J03664

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Hirofumi Yoshida, Toshiyuki Shimada, and Yoshitaka Hashimoto; 8–9 Block Code: A DC-Free Channel Code for Digital Magnetic Recording, SMPTE Journal ( Volume: 92, Issue: 9, September 1983); SMPTE, 1983. Available at https://doi.org/10.5594/J03664
Snippet:
<span class="citation">Hirofumi Yoshida, Toshiyuki Shimada, and Yoshitaka Hashimoto; <cite>8–9 Block Code: A DC-Free Channel Code for Digital Magnetic Recording</cite>, SMPTE Journal ( Volume: 92, Issue: 9, September 1983); SMPTE, 1983. Available at <a href="https://doi.org/10.5594/J03664" target="_blank" rel="noopener">https://doi.org/10.5594/J03664</a></span>

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Hirofumi Yoshida, Toshiyuki Shimada, and Yoshitaka Hashimoto; 8–9 Block Code: A DC-Free Channel Code for Digital Magnetic Recording, SMPTE Journal ( Volume: 92, Issue: 9, September 1983); SMPTE, 1983
doi: 10.5594/J03664
url: https://doi.org/10.5594/J03664
Snippet:
<li>
Hirofumi Yoshida, Toshiyuki Shimada, and Yoshitaka Hashimoto; <cite id="bib-10-5594-j03664">8–9 Block Code: A DC-Free Channel Code for Digital Magnetic Recording</cite>, SMPTE Journal ( Volume: 92, Issue: 9, September 1983); SMPTE, 1983
<span class="doi">10.5594/J03664</span>
</li>

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