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    • 3. 发明申请
    • SPEAKER DIAGNOSTICS BASED UPON DRIVING-POINT IMPEDANCE
    • 基于驱动点阻抗的扬声器诊断
    • WO2006065473A2
    • 2006-06-22
    • PCT/US2005042297
    • 2005-11-22
    • MOTOROLA INCPAVLOV PETER MMCINTOSH JASON DYEAGER DAVID M
    • PAVLOV PETER MMCINTOSH JASON DYEAGER DAVID M
    • H04R29/00H04R3/00
    • H04R29/003
    • A speaker (100) having a diagnostic capability, as well as a circuit (101) and related methods (500) for performing speaker diagnostics based upon a driving-point impedance are provided. The speaker includes a flexible cone (104) and a voice coil (106) connected to the flexible cone for driving the flexible cone so as to convert electrical signals into sound. The speaker also includes a signal source (110) connected to the voice coil for supplying a test signal to the voice coil. The speaker further includes a signal sensor (112) electrically connected to the voice coil for sensing a response signal occurring in response to the test signal. Additionally, the speaker includes a condition determining module (114) for determining a driving-point impedance based upon the response signal and for comparing the driving-point impedance to a predetermined impedance to thereby determine a condition of the speaker.
    • 提供具有诊断能力的扬声器(100)以及用于基于驱动点阻抗执行说话者诊断的电路(101)和相关方法(500)。 扬声器包括柔性锥体(104)和连接到柔性锥体的音圈(106),用于驱动柔性锥体,以将电信号转换成声音。 扬声器还包括连接到音圈的信号源(110),用于向音圈提供测试信号。 扬声器还包括电连接到音圈的信号传感器(112),用于感测响应于测试信号而发生的响应信号。 另外,扬声器包括用于基于响应信号确定驱动点阻抗并将驱动点阻抗与预定阻抗相比较的条件确定模块(114),从而确定说话者的状况。
    • 4. 发明申请
    • METHOD AND SYSTEM FOR OPERATION OF A VOICE ACTIVITY DETECTOR
    • 一种语音活动检测器的操作方法和系统
    • WO2007018802A3
    • 2007-05-03
    • PCT/US2006025118
    • 2006-06-28
    • MOTOROLA INCBOILLOT MARC AMCINTOSH JASON DYAGUNOV MIKHAIL U
    • BOILLOT MARC AMCINTOSH JASON DYAGUNOV MIKHAIL U
    • G10L11/00
    • H04M9/082
    • The invention concerns a system (100) and method (400) for operation of a voice activity detector (230). The system can include a speaker (105), a first microphone (110) and a second microphone (120) in which the first microphone and the second microphone can capture acoustic output from the speaker. The system can also include an adaptive module (220) in which the first microphone and the second microphone can provide signals to the adaptive module, and the adaptive module can provide an input to the voice activity detector. The adaptive module can receive a first input (242) from the first microphone and a second input (243) from the second microphone and can attempt to determine (430) a transformation between the first and second inputs for setting a configuration of the voice activity detector.
    • 本发明涉及一种用于语音活动检测器(230)的操作的系统(100)和方法(400)。 该系统可以包括扬声器(105),第一麦克风(110)和第二麦克风(120),其中第一麦克风和第二麦克风可以从扬声器捕获声音输出。 该系统还可以包括自适应模块(220),其中第一麦克风和第二麦克风可以向自适应模块提供信号,并且自适应模块可以向语音活动检测器提供输入。 自适应模块可以从第一麦克风接收第一输入(242)和来自第二麦克风的第二输入(243),并且可以尝试确定(430)第一和第二输入之间的变换,以设置语音活动的配置 探测器。