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pp.501-504
Published Date 1954/10/20
DOI https://doi.org/10.11477/mf.1492201205

 TAKEYAMA studies the relation of pure tone and speech reception by first obtaining the degree of clearness with which a normal ear receive of logatome speech. Which is then, compared to that of P. B. List. The logatome speech is then passed through 4 types of Band Pass Filter. As a result, it is found that for speech reception the range of 2,000 and 1,000 cycle is the most important but, 500 or 4,000 cycles may be regarded as of being on fringes of importance.


Copyright © 1954, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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