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    Vehicular microphone system and method for post processing optimization of a microphone signal
    1.
    发明授权
    Vehicular microphone system and method for post processing optimization of a microphone signal 有权
    车载麦克风系统及麦克风信号后处理优化方法

    公开(公告)号：US09106312B2

    公开(公告)日：2015-08-11

    申请号：US13128315

    申请日：2009-12-14

    申请人： Alan R. Watson ,  Michael A. Bryson ,  Robert R. Turnbull

    发明人： Alan R. Watson ,  Michael A. Bryson ,  Robert R. Turnbull

    IPC分类号： H03G3/20 ,  H04B1/3822 ,  H04R3/00 ,  B60R1/12 ,  B60R11/02

    CPC分类号： H04B1/3822 ,  B60R1/12 ,  B60R11/0247 ,  H04R3/005 ,  H04R2499/13

    摘要： A vehicular microphone system (200) for post processing optimization of a microphone signal includes a first transducer (201) and second transducer (203) separated by a predetermined distance within an automotive mirror. A first high pass filter network (205) is connected to the first transducer (201) while a second high pass filter network (207) connected to the second transducer (203). A low frequency shelving filter (209) is used for receiving the output from the second high pass filter (207). A first all pass filter (211) is connected to the low frequency shelving filter (209) and a second all pass filter (213) is used in connection with the first all pass filter (211) for tailoring audio characteristics. A summing amplifier (215) is used for summing the output of the first high pass filter network (201, 205) and the second all pass filter network (203, 207, 209, 211, 213) such that the first transducer (201) and second transducer (203) operate with improved directivity resulting in enhanced signal-to-noise performance in a substantially noisy vehicular environment.

    摘要翻译： 一种用于后处理麦克风信号优化的车载麦克风系统（200）包括在汽车镜内分开预定距离的第一换能器（201）和第二换能器（203）。 第一高通滤波器网络（205）连接到第一换能器（201），而第二高通滤波器网络（207）连接到第二换能器（203）。 低频搁置滤波器（209）用于接收来自第二高通滤波器（207）的输出。 第一全通滤波器（211）连接到低频搁架滤波器（209），并且第二全通滤波器（213）与第一全通滤波器（211）结合使用，用于定制音频特性。 求和放大器（215）用于对第一高通滤波器网络（201,205）和第二全通滤波器网络（203,207,209,211,213）的输出求和，使得第一换能器（201） 和第二换能器（203）以改进的方向性运行，从而在基本上噪声的车辆环境中提高了增强的信噪比性能。

    VEHICULAR DIRECTIONAL MICROPHONE ASSEMBLY FOR PREVENTING AIRFLOW ENCOUNTER
    2.
    发明申请
    VEHICULAR DIRECTIONAL MICROPHONE ASSEMBLY FOR PREVENTING AIRFLOW ENCOUNTER 有权
    用于防止气流发声器的车用方向麦克风组件

    公开(公告)号：US20120027241A1

    公开(公告)日：2012-02-02

    申请号：US12847189

    申请日：2010-07-30

    申请人： Robert R. Turnbull ,  Alan R. Watson ,  Michael A. Bryson

    发明人： Robert R. Turnbull ,  Alan R. Watson ,  Michael A. Bryson

    IPC分类号： H04R11/04 ,  H04R31/00

    CPC分类号： H04R1/086 ,  H04R1/023 ,  H04R1/2884 ,  H04R2430/20 ,  H04R2499/13 ,  Y10T29/49005

    摘要： A microphone mounting assembly (800A/800b) include one or more transducers (801) mounted to a printed circuit board (PCB) (805) where a spacer (803) is used having a channel (807) positioned on the PCB (805) for allowing acoustical energy to pass through the channel (807) to a port (809) in the PCB (805). A first cover (811) is positioned over the channel (807) for disrupting the direct encounter with airflow into the channel (807) while a top section (813) having a second cover (815) is further positioned adjacent to the first fabric cover (811) for preventing debris from obstructing the first fabric cover (811).

    摘要翻译： 麦克风安装组件（800A / 800b）包括安装到印刷电路板（PCB）（805）的一个或多个换能器（801），其中使用具有位于PCB（805）上的通道（807）的间隔件（803） 用于允许声能通过通道（807）到PCB（805）中的端口（809）。 第一盖（811）定位在通道（807）上方，用于破坏与气流进入通道（807）的直接相遇，而具有第二盖（815）的顶部部分（813）进一步定位成邻近第一织物盖 （811），用于防止碎片阻塞第一织物盖（811）。

    VEHICULAR MICROPHONE SYSTEM AND METHOD FOR POST PROCESSING OPTIMIZATION OF A MICROPHONE SIGNAL
    3.
    发明申请
    VEHICULAR MICROPHONE SYSTEM AND METHOD FOR POST PROCESSING OPTIMIZATION OF A MICROPHONE SIGNAL 有权
    用于麦克风信号的后处理优化的车辆麦克风系统和方法

    公开(公告)号：US20110222706A1

    公开(公告)日：2011-09-15

    申请号：US13128315

    申请日：2009-12-14

    申请人： Alan R. Watson ,  Michael A. Bryson ,  Robert R. Turnbull

    发明人： Alan R. Watson ,  Michael A. Bryson ,  Robert R. Turnbull

    IPC分类号： H04B1/00

    CPC分类号： H04B1/3822 ,  B60R1/12 ,  B60R11/0247 ,  H04R3/005 ,  H04R2499/13

    摘要： A vehicular microphone system (200) for post processing optimization of a microphone signal includes a first transducer (201) and second transducer (203) separated by a predetermined distance within an automotive mirror. A first high pass filter network (205) is connected to the first transducer (201) while a second high pass filter network (207) connected to the second transducer (203). A low frequency shelving filter (209) is used for receiving the output from the second high pass filter (207). A first all pass filter (211) is connected to the low frequency shelving filter (209) and a second all pass filter (213) is used in connection with the first all pass filter (211) for tailoring audio characteristics. A summing amplifier (215) is used for summing the output of the first high pass filter network (201, 205) and the second all pass filter network (203, 207, 209, 211, 213) such that the first transducer (201) and second transducer (203) operate with improved directivity resulting in enhanced signal-to-noise performance in a substantially noisy vehicular environment.

    摘要翻译： 一种用于后处理麦克风信号优化的车载麦克风系统（200）包括在汽车镜内分开预定距离的第一换能器（201）和第二换能器（203）。 第一高通滤波器网络（205）连接到第一换能器（201），而第二高通滤波器网络（207）连接到第二换能器（203）。 低频搁置滤波器（209）用于接收来自第二高通滤波器（207）的输出。 第一全通滤波器（211）连接到低频搁架滤波器（209），并且第二全通滤波器（213）与第一全通滤波器（211）结合使用，用于定制音频特性。 求和放大器（215）用于对第一高通滤波器网络（201,205）和第二全通滤波器网络（203,207,209,211,213）的输出求和，使得第一换能器（201） 和第二换能器（203）以改进的方向性运行，从而在基本上噪声的车辆环境中提高了增强的信噪比性能。

    Vehicular directional microphone assembly for preventing airflow encounter
    6.
    发明授权
    Vehicular directional microphone assembly for preventing airflow encounter 有权
    用于防止气流碰撞的车载定向麦克风组件

    公开(公告)号：US08467551B2

    公开(公告)日：2013-06-18

    申请号：US12847189

    申请日：2010-07-30

    申请人： Robert R. Turnbull ,  Alan R. Watson ,  Michael A. Bryson

    发明人： Robert R. Turnbull ,  Alan R. Watson ,  Michael A. Bryson

    IPC分类号： H04R1/02

    CPC分类号： H04R1/086 ,  H04R1/023 ,  H04R1/2884 ,  H04R2430/20 ,  H04R2499/13 ,  Y10T29/49005

    摘要： A microphone mounting assembly (800A/800b) include one or more transducers (801) mounted to a printed circuit board (PCB) (805) where a spacer (803) is used having a channel (807) positioned on the PCB (805) for allowing acoustical energy to pass through the channel (807) to a port (809) in the PCB (805). A first cover (811) is positioned over the channel (807) for disrupting the direct encounter with airflow into the channel (807) while a top section (813) having a second cover (815) is further positioned adjacent to the first fabric cover (811) for preventing debris from obstructing the first fabric cover (811).

    摘要翻译： 麦克风安装组件（800A / 800b）包括安装到印刷电路板（PCB）（805）的一个或多个换能器（801），其中使用具有位于PCB（805）上的通道（807）的间隔件（803） 用于允许声能通过通道（807）到PCB（805）中的端口（809）。 第一盖（811）定位在通道（807）上方，用于破坏与气流进入通道（807）的直接相遇，而具有第二盖（815）的顶部部分（813）进一步定位成邻近第一织物盖 （811），用于防止碎片阻塞第一织物盖（811）。

    Vehicular microphone assembly using fractional power phase normalization
    8.
    发明授权
    Vehicular microphone assembly using fractional power phase normalization 有权
    车载麦克风组合使用分数电相位归一化

    公开(公告)号：US08081772B2

    公开(公告)日：2011-12-20

    申请号：US12274749

    申请日：2008-11-20

    申请人： Robert R. Turnbull ,  Alan R. Watson ,  Michael A. Bryson

    发明人： Robert R. Turnbull ,  Alan R. Watson ,  Michael A. Bryson

    IPC分类号： H04B1/00 ,  G10L21/02

    CPC分类号： H04R3/005 ,  H04R2410/01

    摘要： A triangular microphone assembly (101) for use in a vehicle accessory includes a mirror housing (106) adapted for attachment to the interior of the vehicle. A mirror is disposed in an opening of the mirror housing (106) and a plurality of virtual digital microphones (108a, 108b, 108c) are arranged in a substantially triangular configuration in the mirror housing (106). A digital signal processor (DSP) (537) is used for receiving signals from the plurality of digital microphones (108a, 108b, 108c) such that the digital microphones exhibit directional characteristics for reducing undesirable noise in at least one direction by normalizing the phase of the received signals as a function of signal frequency.

    摘要翻译： 用于车辆附件的三角形麦克风组件（101）包括适于附接到车辆内部的镜子壳体（106）。 反射镜设置在镜壳体（106）的开口中，并且多个虚拟数字麦克风（108a，108b，108c）以大致三角形的形式布置在镜壳体（106）中。 数字信号处理器（DSP）（537）用于从多个数字麦克风（108a，108b，108c）接收信号，使得数字麦克风表现出方向性特征，用于通过使至少一个方向上的 接收信号作为信号频率的函数。