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Journal of the Society of Motion Picture Engineers ( Volume: 18, Issue: 2, February 1932)
[ACTIVE]

Vertical Sound Records

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
This paper describes recent progress which has been made in laboratory studies of mechanical records of sound cut on a wax disk. Both theoretical and experimental investigations indicate that a phonograph record, cut with vertical undulations instead of the more usual lateral undulations possesses fundamental advantages. The principal improvement comes from a marked increase in the volume and frequency range over which faithful reproduction may be obtained. A higher volume level can be recorded for the same groove spacing and speed. More playing time can be provided with a given size of record and volume level since, for these conditions, both the groove spacing and speed may be reduced. Improvements in methods of processing the stampers and in the record material give a large reduction in surface noise and hence a corresponding increase in the volume range. With these improvements the frequency range which can be reproduced satisfactorily can be extended nearly an octave to 8000 to 10,000 cycles. Other improvements incidental to the improvements noted above are great improvement in the quality of reproduction obtainable directly from a soft “wax” record and a great extension in the life of the hard record.
Publication Date
1932-02-01
DOI
10.5594/J05554
Link
https://doi.org/10.5594/J05554
Author(s)
H. A. Frederick
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J05554.json

Reference this Doc

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H. A. Frederick; Vertical Sound Records, Journal of the Society of Motion Picture Engineers ( Volume: 18, Issue: 2, February 1932); SMPTE, 1932. Available at https://doi.org/10.5594/J05554
Snippet:
H. A. Frederick; Vertical Sound Records, Journal of the Society of Motion Picture Engineers ( Volume: 18, Issue: 2, February 1932); SMPTE, 1932. Available at https://doi.org/10.5594/J05554

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H. A. Frederick; Vertical Sound Records, Journal of the Society of Motion Picture Engineers ( Volume: 18, Issue: 2, February 1932); SMPTE, 1932. Available at https://doi.org/10.5594/J05554
Snippet:
<span class="citation">H. A. Frederick; <cite>Vertical Sound Records</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 18, Issue: 2, February 1932); SMPTE, 1932. Available at <a href="https://doi.org/10.5594/J05554" target="_blank" rel="noopener">https://doi.org/10.5594/J05554</a></span>

SMPTE Icon SMPTE's HTML Pub

Preview:
H. A. Frederick; Vertical Sound Records, Journal of the Society of Motion Picture Engineers ( Volume: 18, Issue: 2, February 1932); SMPTE, 1932
doi: 10.5594/J05554
url: https://doi.org/10.5594/J05554
Snippet:
<li>
H. A. Frederick; <cite id="bib-10-5594-j05554">Vertical Sound Records</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 18, Issue: 2, February 1932); SMPTE, 1932
<span class="doi">10.5594/J05554</span>
</li>