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
Time Correction of Anti-Aliasing Filters Used in Digital Audio Systems
Because of the steep rolloff characteristic demanded, anti-aliasing filters as commonly implemented for digital audio systems introduce significant high-frequency delay. A tunable analog phase-shift filter which corrects for this time distortion has been developed and is presented. Correction may be done before or after digital processing. The audibility of the effect is discussed, and a phase-corrected 16-bit digital audio recorder used in gathering scientific audio data is described.
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