DocumentCode
1222858
Title
A Proposed Loudness-Efficiency Rating for Loud-Speakers and the Determination of System Power Requirements for Enclosures
Author
Hopkins, H.F. ; Stryker, N.R.
Author_Institution
Bell Telephone Laboratories, Inc., Murray Hill Laboratory, Murray Hill, N.J.
Volume
36
Issue
3
fYear
1948
fDate
3/1/1948 12:00:00 AM
Firstpage
315
Lastpage
335
Abstract
Experimental and computed data relating to the loudness contribution of various ranges of the frequency spectra of speech and music are correlated with the corresponding energy distribution. A relatively simple measurement of sound pressure and a knowledge of certain acoustic radiation phenomena are applied to this correlation to form the basis of a method for predicting the loudness established by loudspeakers in enclosures. A loudness-efficiency rating for loudspeakers is suggested, and its application to sound-system engineering problems is described.
Keywords
Acoustic applications; Acoustical engineering; Capacitance; Earth; Frequency; Inductance; Intersymbol interference; Laboratories; Loudspeakers; Oscillators;
fLanguage
English
Journal_Title
Proceedings of the IRE
Publisher
ieee
ISSN
0096-8390
Type
jour
DOI
10.1109/JRPROC.1948.226221
Filename
1697639
Link To Document