This paper describes the difficulties due to acoustic feedback in Public Address systems. It gives a survey of methods, used to avoid this feedback. Finally it shows a new method, which is based on the use of a large number of amplification channels, and permits us to amplify the sound at will without danger for instability.

Authors: de Koning, S. H.; Franssen, N. V.
Affiliation: Philips Research Laboratories, Eindhoven, The Netherlands
AES Convention: 37 (October 1969) Paper Number: 697
Publication Date: October 1, 1969

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