Title :
Public address systems
Author :
Green, I.W. ; Maxfield, J.P.
Author_Institution :
Dept. of Development and Research, Amer. Tel and Tel. Co.
fDate :
4/1/1923 12:00:00 AM
Abstract :
THIS paper aims to present the problems encountered in the development of electrical systems for amplifying the voices of public speakers and music; and to describe the equipment as brought to a commercial state and now in use in the United States and various other countries.
Keywords :
Acoustic distortion; Acoustics; Noise; Power amplifiers; Radio transmitters; Speech;
Journal_Title :
American Institute of Electrical Engineers, Journal of the
DOI :
10.1109/JoAIEE.1923.6593324
