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
Optically Encoded Moving Shutter Attenuator
This attenuator approach features an optically encoded position-sensing slider with digital output for controlling amplifier gain. The slider incocporates a uniquely patterned moving shutter, no moving electrical contacts or parts, for quiet operation and long life. The optical sensing of position can be easily programmed to any attenuation curve or sequence of events and outputted through microprocessing interface or directly to a digital-to-analog converter and a voltage-controlled amplifier.
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