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
Broadcast Quality Speech from Diving Helmets
Over a period of about nine years the BBC has worked to improve the quality of speech sounds from diving helmets. Careful selection of equipment, detailed application of equalization, and active noise suppression are all essential in achieving the desired results. This paper describes the necessary signal processing in the context of two specific series of programs.
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