This paper describes a procedure used in approximately fifty rooms with sound reinforcing systems, in the development of a process for controlling major room-ring modes. These are the modes which seriously interfere with the performance of the room itself, in the absence of a sound system, and of the room and the sound system viewed as a total electro-acoustic system. Our procedure employs a combination of narrow-band filters, each centered on its mode as the modes occur, and various types of broad-band equalizers which are conventionally used in smoothing the over-all response.

Authors: Boner, C. Paul; Boner, C. R.
Affiliation: Consultants in Acoustics, Austin, TX
AES Convention: 16 (October 1964) Paper Number: 324
Publication Date: October 1, 1964

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