发明名称 Handsfree system for use in a vehicle
摘要 The invention is directed to a handsfree system for use in a vehicle comprising a microphone array with at least two microphones and a signal processing means wherein the signal processing means comprises the superdirective beamformer with fixed superdirective filters.
申请公布号 US2007127736(A1) 申请公布日期 2007.06.07
申请号 US20040563072 申请日期 2004.06.30
申请人 CHRISTOPH MARKUS 发明人 CHRISTOPH MARKUS
分类号 H04R3/00;H04R1/40 主分类号 H04R3/00
代理机构 代理人
主权项
地址