发明名称 METHODS AND SYSTEMS FOR ACTIVE SOUND ATTENUATION IN A FAN UNIT
摘要 A system and method for controlling noise produced by an air handling system, for example, is provided. The system includes a source microphone to collect sound measurements from the air handling system and a processor to define a cancellation signal that at least partially cancels out the sound measurements. The system also includes a speaker to generate the cancellation signal. The sound measurements are at least partially canceled out within a region of cancellation. Accordingly, the system further includes a response microphone to collect response sound measurements at the region of cancellation. The processor tunes the cancellation signal based on the response sound measurements.
申请公布号 US2013022212(A1) 申请公布日期 2013.01.24
申请号 US201213626423 申请日期 2012.09.25
申请人 HUNTAIR, INC.;HUNTAIR, INC. 发明人 HOPKINS LAWRENCE G.
分类号 G10K11/16 主分类号 G10K11/16
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