Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 4, October 1938)

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Application of Electrical Networks to Sound Recording and Reproducing

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: The use of electrical networks with recording and reproducing systems to accomplish beneficial results has been steadily increasing. Two types of networks are in general use, namely, wave-filters and attenuation equalizers. This paper discusses in some detail the use of these networks with sound systems as reflected by present practices and later presents practical data for engineering the networks with a minimum of time and effort. The uses to which attenuation equalizers are put divide these networks into two general classes: first, fixed equalizers to provide fixed equalization for sound channels; and, second, variable equalizers to provide means for varying at will the relative amplitudes of the frequency components of sound signals. Although the means for engineering variable networks is far from being ideal, the review given in the paper of present practices should be valuable.
Publication Date: 1938-10-01
DOI: 10.5594/J08467
Link: https://doi.org/10.5594/J08467
Author(s): H. R. Kimball

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H. R. Kimball; Application of Electrical Networks to Sound Recording and Reproducing, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 4, October 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J08467

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H. R. Kimball; Application of Electrical Networks to Sound Recording and Reproducing, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 4, October 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J08467

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<span class="citation">H. R. Kimball; <cite>Application of Electrical Networks to Sound Recording and Reproducing</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 4, October 1938); SMPTE, 1938. Available at <a href="https://doi.org/10.5594/J08467" target="_blank" rel="noopener">https://doi.org/10.5594/J08467</a></span>

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<li>
H. R. Kimball; <cite id="bib-10-5594-j08467">Application of Electrical Networks to Sound Recording and Reproducing</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 4, October 1938); SMPTE, 1938
<span class="doi">10.5594/J08467</span>
</li>