Society of Motion Picture and Television Engineers - Aiding the Theater Patron Who is Hard of Hearing

Author(s): F. H. Graham
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 March 1931
Volume: 16
Page(s): 341 - 348
ISSN (Paper): 0097-5834
DOI: 10.5594/J13015
Regular:

From available data on the acuity of hearing of various groups of people, a chart is constructed showing the estimated distribution of any large group according to their hearing ability.... View More

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