Flux and Flux-Frequency Measurements and Standardization in Magnetic Recording

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: In order to have interchangeable tape recordings, standards are needed for flux-frequency response and for the absolute value of the recorded flux. It is shown that the recorded signal is best measured and specified as the “shortcircuit flux per unit track width”; measurements techniques are reviewed. The need for equalization and the division into recording and reproducing equalization are developed. Standard equalizations of many organizations are shown as flux-frequency responses. Standard reference fluxes and operating levels are tabulated and discussed. The terms necessary for response and level standardization are proposed and defined and, since terms are not defined in presently published standards, those defined here are compared with usages of the standards.
Publication Date: 1969-06-01
DOI: 10.5594/J09040
Link: https://doi.org/10.5594/J09040
Author(s): John G. Mcknight

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John G. Mcknight; Flux and Flux-Frequency Measurements and Standardization in Magnetic Recording, Journal of the SMPTE ( Volume: 78, Issue: 6, June 1969); SMPTE, 1969. Available at https://doi.org/10.5594/J09040

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John G. Mcknight; Flux and Flux-Frequency Measurements and Standardization in Magnetic Recording, Journal of the SMPTE ( Volume: 78, Issue: 6, June 1969); SMPTE, 1969. Available at https://doi.org/10.5594/J09040

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<span class="citation">John G. Mcknight; <cite>Flux and Flux-Frequency Measurements and Standardization in Magnetic Recording</cite>, Journal of the SMPTE ( Volume: 78, Issue: 6, June 1969); SMPTE, 1969. Available at <a href="https://doi.org/10.5594/J09040" target="_blank" rel="noopener">https://doi.org/10.5594/J09040</a></span>

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John G. Mcknight; Flux and Flux-Frequency Measurements and Standardization in Magnetic Recording, Journal of the SMPTE ( Volume: 78, Issue: 6, June 1969); SMPTE, 1969
doi: 10.5594/J09040
url: https://doi.org/10.5594/J09040

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<li>
John G. Mcknight; <cite id="bib-10-5594-j09040">Flux and Flux-Frequency Measurements and Standardization in Magnetic Recording</cite>, Journal of the SMPTE ( Volume: 78, Issue: 6, June 1969); SMPTE, 1969
<span class="doi">10.5594/J09040</span>
</li>