发明名称 METHODS AND SYSTEMS FOR PRODUCING A ZONE OF REDUCED BACKGROUND NOISE
摘要 <p>A system (34) for facilitating conversational communications in an environment with background noise (15), the system (34) including a microphone (20, 20-1, 20-2, 20-3, 20-4, 48) for sensing the background noise (15), a signal processor (24) configured to process the microphone output (70) and produce an anti-noise electrical output (14), and a directional speaker array (32, 32-1, 32-2, 32-3, 32-4) configured to receive the anti-noise electrical output (14) and directionally broadcast anti-noise audio output (14), the anti noise audio output (14) destructively interfering with the environmental background noise (15).</p>
申请公布号 WO2008002931(A2) 申请公布日期 2008.01.03
申请号 WO2007US72149 申请日期 2007.06.26
申请人 CHOY, DANIEL, S., J. 发明人 CHOY, DANIEL, S., J.
分类号 H04R3/02 主分类号 H04R3/02
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