Perceptual Effects of Dynamic Range Compression in Popular Music Recordings - January 2014
Accurate Calculation of Radiation and Diffraction from Loudspeaker Enclosures at Low Frequency - June 2013
New Measurement Techniques for Portable Listening Devices: Technical Report - October 2013
-Invisible- Sound Reinforcement with 350 Microphones
The sound system in the new Seventeenth Church of Christ, Scientist in Chicago, reinforces speech from any of the 764 seats, using several of the 350 concealed microphones. Signals to the 350 concealed loudspeakers are delayed to prevent pre-echo. A non-technical operator controls the system easily via display circuits and semi-automatic switching of microphones and loudspeakers.
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