Society of Motion Picture and Television Engineers - Modern Instruments for Acoustical Studies

Author(s): E. C. Wente
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 November 1935
Volume: 25
Page(s): 389 - 402
ISSN (Paper): 0097-5834
DOI: 10.5594/J08741
Regular:

Up to the time of the development of the telephone current amplifier, measurements in sound were for the most part made with instruments operating on mechanical principles. At the present time... View More

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