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    • 5. 发明申请
    • CROSS-BARRIER COMMUNICATION SYSTEM AND METHOD
    • 交叉障碍物通信系统和方法
    • WO2010121916A1
    • 2010-10-28
    • PCT/EP2010/054765
    • 2010-04-12
    • PHONIC EAR A/SJOHANSEN, Morten kjærHANSEN, Flemming Stig
    • JOHANSEN, Morten kjærHANSEN, Flemming Stig
    • H04R1/40H04R3/00H04M9/00
    • H04R1/406G10L21/0208G10L2021/02165H04R3/005H04R2410/05
    • A relatively simple communication system (1) is able to receive sound signals comprising useful signals and noise signals on a client side (5) of a sound barrier (2) and transmit the sound signals to an attendant side (6) of the sound barrier. The noise signals are transmitted at a lower system gain than the useful signals. The communication system (1) comprises two microphones (14, 15) and a loudspeaker(19). The microphones(14, 15) are arranged to receive a first and a second acoustical input signal from different locations on the client side (5). The loudspeaker (19) is arranged to radiate an acoustical output signal to an attendant (18) in the attendant space (6). The communication system (1) is adapted to generate the acoustical output signal by subtracting the first acoustical signal from the second acoustical input signal and amplifying the difference signal.
    • 相对简单的通信系统(1)能够在声屏障(2)的客户端(5)上接收包括有用信号和噪声信号的声音信号,并将声音信号发送到声屏障的伴随侧(6) 。 噪声信号以比有用信号更低的系统增益传输。 通信系统(1)包括两个麦克风(14,15)和扬声器(19)。 麦克风(14,15)布置成从客户侧(5)的不同位置接收第一和第二声输入信号。 扬声器(19)被布置成将声输出信号辐射到服务员空间(6)中的服务员(18)。 通信系统(1)适于通过从第二声输入信号中减去第一声信号并放大差信号来产生声输出信号。