Synchronized Swept-Sine: Theory, Application, and Implementation - October 2015
Effect of Microphone Number and Positioning on the Average of Frequency Responses in Cinema Calibration - October 2015
The Measurement and Calibration of Sound Reproducing Systems - July 2015
A Procedure for Controlling Room-Ring Modes and Feedback Modes in Sound Systems with Narrow-Band Filters
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.
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