We propose a virtual sound barrier system that blocks sound transmission through openings without affecting access, light and air circulation. The proposed system applies active control technique to ...
Local active sound control systems provide useful reductions in noise within a zone of quiet which only extends to about one tenth of an acoustic wavelength. If active control is required above a few ...
This guidance comes from an NPR seminar by Robert Smith and Jeff Rogers in March 2002. It is just as relevant today. Many of the ideas and advice were provided by Terry Fitzpatrick, Howard Berkes, ...
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