Recent Technical Developments in the S-VHS VCR for Broadcasting and Professional Applications

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: S-VHS frequency spectrum allocations for luminance and chrominance signals on video recording, resultant performance, and comparison with the U-SP format are reviewed briefly. Technical considerations leading to selection of oxide tape and ferrite heads for S-VHS recording are discussed, and Y/C video signal transmission and its benefits are described. Treated in more detail are some of the innovative video processing techniques recently developed to achieve significant picture performance improvements in professional S-VHS VCRs and peripheral products. These specific techniques include a unique three-line adaptive comb filter to separate luminance and chrominance components from a composite NTSC video signal; a chrominance enhancement technique developed by Faroudja Laboratories and adapted for use with S-VHS, which significantly restores chroma bandwidth lost during record/playback without degradation of signal-to-noise ratio; an adaptive comb filter technique that supplements phase-shift video processing to improve adjacent track chrominance crosstalk cancellation; and a Y/C digital noise-reduction system designed to significantly improve chrominance as well as luminance signal-to-noise ratio.
Publication Date: 1990-05-01
DOI: 10.5594/J03878
Link: https://doi.org/10.5594/J03878
Author(s): Akira Hirota, Neil Neubert

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Akira Hirota and Neil Neubert; Recent Technical Developments in the S-VHS VCR for Broadcasting and Professional Applications, SMPTE Journal ( Volume: 99, Issue: 5, May 1990); SMPTE, 1990. Available at https://doi.org/10.5594/J03878

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Akira Hirota and Neil Neubert; Recent Technical Developments in the S-VHS VCR for Broadcasting and Professional Applications, SMPTE Journal ( Volume: 99, Issue: 5, May 1990); SMPTE, 1990. Available at https://doi.org/10.5594/J03878

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<span class="citation">Akira Hirota and Neil Neubert; <cite>Recent Technical Developments in the S-VHS VCR for Broadcasting and Professional Applications</cite>, SMPTE Journal ( Volume: 99, Issue: 5, May 1990); SMPTE, 1990. Available at <a href="https://doi.org/10.5594/J03878" target="_blank" rel="noopener">https://doi.org/10.5594/J03878</a></span>

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<li>
Akira Hirota and Neil Neubert; <cite id="bib-10-5594-j03878">Recent Technical Developments in the S-VHS VCR for Broadcasting and Professional Applications</cite>, SMPTE Journal ( Volume: 99, Issue: 5, May 1990); SMPTE, 1990
<span class="doi">10.5594/J03878</span>
</li>