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    Serially connected microphones
    3.
    发明授权
    Serially connected microphones 有权
    串口麦克风

    公开(公告)号：US07991168B2

    公开(公告)日：2011-08-02

    申请号：US11748518

    申请日：2007-05-15

    申请人： Li-Te Wu ,  Wei-Chan Hsu

    发明人： Li-Te Wu ,  Wei-Chan Hsu

    IPC分类号： H04R3/00

    CPC分类号： H04R3/005 ,  H04R1/406

    摘要： The invention provides a microphone. The microphone receives a first sound signal and at least one second electrical signal and outputs a third electrical signal. In one embodiment, the microphone comprises a transducer and a signal processor. The transducer converts the first sound signal to a first electrical signal. The signal processor has a first input terminal receiving the first electrical signal and at least one second input terminal receiving the at least one second electrical signal, and derives the third electrical signal from the first electrical signal and the second electrical signal. In one embodiment, the at least one second electrical signal is derived from a t least one second sound signal by at least one second microphone located in the vicinity of the microphone. In another embodiment, the at least one second electrical signal comprises a wind noise signal derived from wind pressure by a pressure sensor located in the vicinity of the microphone.

    摘要翻译： 本发明提供一种麦克风。 麦克风接收第一声音信号和至少一个第二电信号并输出​​第三电信号。 在一个实施例中，麦克风包括换能器和信号处理器。 换能器将第一声音信号转换成第一电信号。 信号处理器具有接收第一电信号的第一输入端和接收至少一个第二电信号的至少一个第二输入端，并从第一电信号和第二电信号导出第三电信号。 在一个实施例中，至少一个第二电信号由位于麦克风附近的至少一个第二麦克风从至少一个第二声音信号导出。 在另一个实施例中，至少一个第二电信号包括由位于麦克风附近的压力传感器从风压导出的风噪声信号。

    ARRAY MICROPHONE SYSTEM AND A METHOD THEREOF
    4.
    发明申请
    ARRAY MICROPHONE SYSTEM AND A METHOD THEREOF 审中-公开
    阵列麦克风系统及其方法

    公开(公告)号：US20090323980A1

    公开(公告)日：2009-12-31

    申请号：US12146739

    申请日：2008-06-26

    申请人： Li-Te Wu ,  Wei-Chan Hsu

    发明人： Li-Te Wu ,  Wei-Chan Hsu

    IPC分类号： H04R3/00

    CPC分类号： H04R3/005

    摘要： An array microphone system of compensating phase drift of input signals and a method thereof. The microphone system comprises a speaker, first and second microphones, a delay estimator, and a memory. The speaker outputs an acoustic signal. The first and second microphones, spaced by a predetermined distance, receive the acoustic signal to generate first and second input signals. The delay estimator, coupled to the first and second microphones, computes a time difference between the first and second input signals. The memory, coupled to the delay estimator, stores the time difference.

    摘要翻译： 一种补偿输入信号相移的阵列麦克风系统及其方法。 麦克风系统包括扬声器，第一和第二麦克风，延迟估计器和存储器。 扬声器输出声信号。 隔开预定距离的第一和第二麦克风接收声信号以产生第一和第二输入信号。 耦合到第一和第二麦克风的延迟估计器计算第一和第二输入信号之间的时间差。 耦合到延迟估计器的存储器存储时间差。

    AUDIO INTERFACE DEVICE AND METHOD
    5.
    发明申请
    AUDIO INTERFACE DEVICE AND METHOD 有权
    音频接口设备和方法

    公开(公告)号：US20080285776A1

    公开(公告)日：2008-11-20

    申请号：US11748519

    申请日：2007-05-15

    申请人： Li-Te Wu ,  Wei-Chan Hsu

    发明人： Li-Te Wu ,  Wei-Chan Hsu

    IPC分类号： H04R3/00

    CPC分类号： H04R1/04 ,  H04R1/06

    摘要： The invention provides an audio interface device and method to acquire audio signal from either an analog or digital microphone through a common connector. The audio interface comprises a connector, electrically connected with a microphone plugged thereinto, an analog readout circuit, acquiring an analog audio signal from an analog microphone, a digital readout circuit, acquiring a digital audio signal from a digital microphone, and a decision circuit, selectively connecting the analog or digital readout circuit to the connector to acquire the analog or digital audio signal respectively according to whether the microphone plugged into the connector is analog or digital.

    摘要翻译： 本发明提供了一种通过公共连接器从模拟或数字麦克风获取音频信号的音频接口设备和方法。 音频接口包括与插入其中的麦克风电连接的连接器，模拟读出电路，从模拟麦克风获取模拟音频信号，数字读出电路，从数字麦克风获取数字音频信号，以及判定电路， 选择性地将模拟或数字读出电路连接到连接器，以根据插入连接器中的麦克风是模拟还是数字分别获取模拟或数字音频信号。

    MICROPHONE ARRAY WITH ELECTROMAGNETIC INTERFERENCE SHIELDING MEANS
    6.
    发明申请
    MICROPHONE ARRAY WITH ELECTROMAGNETIC INTERFERENCE SHIELDING MEANS 有权
    麦克风阵列与电磁干扰屏蔽方式

    公开(公告)号：US20080144874A1

    公开(公告)日：2008-06-19

    申请号：US11612782

    申请日：2006-12-19

    申请人： Li-Te Wu ,  Wei-Chan Hsu

    发明人： Li-Te Wu ,  Wei-Chan Hsu

    IPC分类号： H04R17/02

    CPC分类号： H04R19/04 ,  H04R1/04 ,  H04R1/083 ,  H04R1/406 ,  H04R19/016 ,  H04R2499/11

    摘要： A microphone array comprises a circuit board, a first microphone, and a second microphone. The circuit board comprises a first layer, a third layer, and a second layer sandwiched between the first and third layers. The first layer comprises a first shielding part with a fixed electric potential. The third layer comprises a second shielding part with the fixed electric potential. The second layer comprises an electrically conductive part running between the first and second shielding parts. The first microphone is attached to the first layer of the circuit board. The second microphone is attached to the first layer of the circuit board and electrically connected to the first microphone through the electrically conductive part of the second layer of the circuit board.

    摘要翻译： 麦克风阵列包括电路板，第一麦克风和第二麦克风。 电路板包括第一层，第三层和夹在第一层和第三层之间的第二层。 第一层包括具有固定电位的第一屏蔽部分。 第三层包括具有固定电位的第二屏蔽部分。 第二层包括在第一和第二屏蔽部分之间延伸的导电部分。 第一麦克风连接到电路板的第一层。 第二麦克风附接到电路板的第一层，并通过电路板的第二层的导电部分与第一麦克风电连接。

    Switching system and method for control thereof
    7.
    发明授权
    Switching system and method for control thereof 失效
    开关系统及其控制方法

    公开(公告)号：US08674757B2

    公开(公告)日：2014-03-18

    申请号：US13447760

    申请日：2012-04-16

    申请人： Li-Te Wu ,  Wei-Chan Hsu

    发明人： Li-Te Wu ,  Wei-Chan Hsu

    IPC分类号： H02M7/162

    CPC分类号： H03K17/16 ,  H03F3/217

    摘要： The invention provides a switching system. The switching system comprises an H bridge, a current router, and a control circuit. The H bridge comprises a first switch and a second switch coupled to a first output node and a third switch and a fourth switch coupled to a second output node, wherein a load is coupled between the first output node and the second output node. The current router comprises a first shunt switch and a second shunt switch coupled between the first output node and the second output node. The control circuit generates a first control signal to control the first switch and the fourth switch, generates a second control signal to control the second switch and the third switch, generates a third control signal to control the first shunt switch, and generates a fourth control signal to control the second shunt switch.

    摘要翻译： 本发明提供一种切换系统。 交换系统包括H桥，当前路由器和控制电路。 H桥包括耦合到第一输出节点的第一开关和第二开关，以及耦合到第二输出节点的第三开关和第四开关，其中负载耦合在第一输出节点和第二输出节点之间。 当前路由器包括耦合在第一输出节点和第二输出节点之间的第一分流开关和第二分流开关。 控制电路产生第一控制信号以控制第一开关和第四开关，产生第二控制信号以控制第二开关和第三开关，产生第三控制信号以控制第一分流开关，并产生第四控制 信号控制第二分流开关。

    Microphone array with electromagnetic interference shielding means
    8.
    发明授权
    Microphone array with electromagnetic interference shielding means 有权
    具有电磁干扰屏蔽装置的麦克风阵列

    公开(公告)号：US07729500B2

    公开(公告)日：2010-06-01

    申请号：US11612782

    申请日：2006-12-19

    申请人： Li-Te Wu ,  Wei-Chan Hsu

    发明人： Li-Te Wu ,  Wei-Chan Hsu

    IPC分类号： H04R25/00 ,  H04R9/08 ,  H04R11/04 ,  H04R17/02 ,  H04R19/04 ,  H04R21/02

    CPC分类号： H04R19/04 ,  H04R1/04 ,  H04R1/083 ,  H04R1/406 ,  H04R19/016 ,  H04R2499/11

    摘要： A microphone array comprises a circuit board, a first microphone, and a second microphone. The circuit board comprises a first layer, a third layer, and a second layer sandwiched between the first and third layers. The first layer comprises a first shielding part with a fixed electric potential. The third layer comprises a second shielding part with the fixed electric potential. The second layer comprises an electrically conductive part running between the first and second shielding parts. The first microphone is attached to the first layer of the circuit board. The second microphone is attached to the first layer of the circuit board and electrically connected to the first microphone through the electrically conductive part of the second layer of the circuit board.

    摘要翻译： 麦克风阵列包括电路板，第一麦克风和第二麦克风。 电路板包括第一层，第三层和夹在第一层和第三层之间的第二层。 第一层包括具有固定电位的第一屏蔽部分。 第三层包括具有固定电位的第二屏蔽部分。 第二层包括在第一和第二屏蔽部分之间延伸的导电部分。 第一麦克风连接到电路板的第一层。 第二麦克风附接到电路板的第一层，并通过电路板的第二层的导电部分与第一麦克风电连接。

    SERIALLY CONNECTED MICROPHONES
    9.
    发明申请
    SERIALLY CONNECTED MICROPHONES 有权
    连续连接的麦克风

    公开(公告)号：US20080285770A1

    公开(公告)日：2008-11-20

    申请号：US11748518

    申请日：2007-05-15

    申请人： Li-Te Wu ,  Wei-Chan Hsu

    发明人： Li-Te Wu ,  Wei-Chan Hsu

    IPC分类号： H04R3/00

    CPC分类号： H04R3/005 ,  H04R1/406

    摘要： The invention provides a microphone. The microphone receives a first sound signal and at least one second electrical signal and outputs a third electrical signal. In one embodiment, the microphone comprises a transducer and a signal processor. The transducer converts the first sound signal to a first electrical signal. The signal processor has a first input terminal receiving the first electrical signal and at least one second input terminal receiving the at least one second electrical signal, and derives the third electrical signal from the first electrical signal and the second electrical signal. In one embodiment, the at least one second electrical signal is derived from a t least one second sound signal by at least one second microphone located in the vicinity of the microphone. In another embodiment, the at least one second electrical signal comprises a wind noise signal derived from wind pressure by a pressure sensor located in the vicinity of the microphone.

    摘要翻译： 本发明提供一种麦克风。 麦克风接收第一声音信号和至少一个第二电信号并输出​​第三电信号。 在一个实施例中，麦克风包括换能器和信号处理器。 换能器将第一声音信号转换成第一电信号。 信号处理器具有接收第一电信号的第一输入端和接收至少一个第二电信号的至少一个第二输入端，并从第一电信号和第二电信号导出第三电信号。 在一个实施例中，至少一个第二电信号由位于麦克风附近的至少一个第二麦克风从至少一个第二声音信号导出。 在另一个实施例中，至少一个第二电信号包括由位于麦克风附近的压力传感器从风压导出的风噪声信号。

    Method for converting an analog signal to multiple different phase outputs utilizing an analog-to-digital converter
    10.
    发明授权
    Method for converting an analog signal to multiple different phase outputs utilizing an analog-to-digital converter 有权
    利用模数转换器将模拟信号转换成多个不同相位输出的方法

    公开(公告)号：US07265702B1

    公开(公告)日：2007-09-04

    申请号：US11457825

    申请日：2006-07-17

    申请人： Li-Te Wu ,  Wei-Chan Hsu

    发明人： Li-Te Wu ,  Wei-Chan Hsu

    IPC分类号： H03M1/34

    CPC分类号： H03M3/462

    摘要： A method for converting an analog signal to multiple different phase outputs with an analog-to-digital converter is provided. First, the analog signal is converted to a high-frequency datastream with a delta-sigma modulator. A plurality of low-frequency datastreams are then generated by periodically extracting the samples of the high-frequency datastream, wherein consecutively extracted samples of the high-frequency datastream are scattered to different low-frequency datastreams. The low-frequency datastreams have the same sampling rate, and the phases of the corresponding samples of the low-frequency datastreams are different from each other.

    摘要翻译： 提供了一种用模拟 - 数字转换器将模拟信号转换成多个不同相位输出的方法。 首先，模拟信号被转换成具有Δ-Σ调制器的高频数据流。 然后通过周期性地提取高频数据流的采样来生成多个低频数据流，其中高频数据流的连续提取样本被散布到不同的低频数据流。 低频数据流具有相同的采样率，低频数据流的相应采样相位彼此不同。