Amplification of Sound Fields
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.
Click to purchase paper or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $20 for non-members, $5 for AES members and is free for E-Library subscribers.