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    Synchronizing audio signal sampling in a wireless, digital audio conferencing system
    1.
    发明授权
    Synchronizing audio signal sampling in a wireless, digital audio conferencing system 有权

    公开(公告)号：US09401996B2

    公开(公告)日：2016-07-26

    申请号：US14571528

    申请日：2014-12-16

    Applicant: Timothy D Root

    Inventor： Timothy D Root

    IPC: H04M3/42 ,  H04M3/56 ,  H04M3/00 ,  H04M9/08 ,  G10L21/0208

    CPC classification number: H04M3/568 ,  G10L2021/02082 ,  H04M3/002 ,  H04M3/567 ,  H04M9/082 ,  H04M2203/509 ,  H04M2250/62

    Abstract: A digital audio conferencing system has a fixed base station that is in communication with a far end (R.E.) system over a communication network. The base station is associated with a wireless loudspeaker and one or more wireless microphones. The base station operates to receive F.E. audio signals to be played by the wireless loudspeaker, and it operates to remove acoustic echo picked up by the wireless microphones. A first clock controlling F.E. audio signal sampling at the base station, and a second clock controlling audio signal sampling and at a wireless microphone are synchronized to one master, reference clock that controls the operation of the base station. Acoustic echo included in an audio signal picked up by a wireless microphone is removed by AEC functionality running in the base station.

    Wireless microphone mute control override
    2.
    发明授权
    Wireless microphone mute control override 有权
    无线麦克风静音控制覆盖

    公开(公告)号：US09344049B2

    公开(公告)日：2016-05-17

    申请号：US14223126

    申请日：2014-03-24

    Applicant: Mark Desmarais ,  Timothy D Root

    Inventor： Mark Desmarais ,  Timothy D Root

    IPC: H03G3/00 ,  H03G1/02

    CPC classification number: H03G1/02

    Abstract: An audio system is configured to support a number of wireless microphones, and each of the wireless microphones has one or more touch sensitive mute switches and a touch sensitive mute guard band switch. The mute guard band switch is connect to an electrically conductive surface that is proximate to a microphone peripheral surface that a user is likely to touch when they move the microphone. Logical instructions running in conjunction with a DSP associated with the microphone cause the audio system to override any mute commands it receives from any of the mute switches during the time that the guard band switch is activated.

    Abstract translation: 音频系统被配置为支持多个无线麦克风，并且每个无线麦克风具有一个或多个触敏静音开关和触敏静音保护带开关。 静音保护带开关连接到接近麦克风外围表面的导电表面，用户在移动麦克风时可能会触摸。 与与麦克风相关联的DSP结合运行的逻辑指令会导致音频系统在保护频段开关激活期间，从任何静音开关接收任何静音命令。

    Battery charging adaptor for a wireless microphone
    3.
    发明授权
    Battery charging adaptor for a wireless microphone 有权

    公开(公告)号：US10038948B2

    公开(公告)日：2018-07-31

    申请号：US14283412

    申请日：2014-05-21

    Applicant: Mark Desmarais ,  Timothy D Root

    Inventor： Mark Desmarais ,  Timothy D Root

    IPC: H04R1/08 ,  H02J7/00 ,  H04R3/00 ,  G01R31/36

    CPC classification number: H04R1/08 ,  G01R31/36 ,  G01R31/3835 ,  H02J7/0052 ,  H02J7/007 ,  H04R3/00 ,  H04R2410/00 ,  H04R2420/07

    Abstract: An audio system has a base station and a plurality of wireless microphones that are associated with the base station. The wireless microphones operate to capture acoustic audio information and to transmit this audio information to the base station. Each of the wireless microphones operate to detect whether or not they are connected to an external voltage source. If any of the plurality of the wireless microphones determines that they are not connected to an external voltage source, then it is controlled to transition to a first operational state. Or if a wireless microphone determines that it is connected to an external voltage source, and depending upon the voltage level detected, the microphone can transition to either a second or a third operational state.

    Controlling acoustic echo cancellation while handling a wireless microphone
    6.
    发明授权
    Controlling acoustic echo cancellation while handling a wireless microphone 有权
    在处理无线麦克风时控制声学回声消除

    公开(公告)号：US09294858B2

    公开(公告)日：2016-03-22

    申请号：US14282240

    申请日：2014-05-20

    Applicant: Timothy D Root ,  Mark Desmarais

    Inventor： Timothy D Root ,  Mark Desmarais

    IPC: H04B3/20 ,  H04R3/02 ,  H04R29/00 ,  H04R3/00

    CPC classification number: H04R29/004 ,  H04R1/1083 ,  H04R3/002 ,  H04R3/02 ,  H04R2410/03

    Abstract: An audio system has a base station, a speaker and one or more wireless microphones. The audio system operates to receive audio information from both a far-end audio source and a near-end audio source and to process the audio information for transmission to a far-end audio system. The wireless microphones have an electrically conductive element connected to a touch sensitive switch, and the electrically conductive element is proximate to an outer perimeter surface of the microphones. When the outer perimeter surface of the microphone is touched, the switch is activated which sends a microphone handling signal to the base station. The base station uses the microphone handling signal to control an operational characteristic of an audio signal processing function running on the base station.

    Abstract translation: 音频系统具有基站，扬声器和一个或多个无线麦克风。 音频系统操作以从远端音频源和近端音频源接收音频信息，并处理音频信息以传输到远端音频系统。 无线麦克风具有连接到触敏开关的导电元件，并且导电元件靠近麦克风的外周表面。 当麦克风的外周表面被触摸时，开关被激活，其向基站发送麦克风处理信号。 基站使用麦克风处理信号来控制在基站上运行的音频信号处理功能的操作特性。

    Synchronizing audio signal sampling in a wireless, digital audio conferencing system
    10.
    发明授权
    Synchronizing audio signal sampling in a wireless, digital audio conferencing system 有权
    在无线数字音频会议系统中同步音频信号采样

    公开(公告)号：US08958897B2

    公开(公告)日：2015-02-17

    申请号：US13541148

    申请日：2012-07-03

    Applicant: Pascal Cleve ,  Mark DesMarais ,  Timothy D Root

    Inventor： Pascal Cleve ,  Mark DesMarais ,  Timothy D Root

    IPC: G06F17/00 ,  H04B7/00

    CPC classification number: H04M3/568 ,  G10L2021/02082 ,  H04M3/002 ,  H04M3/567 ,  H04M9/082 ,  H04M2203/509 ,  H04M2250/62

    Abstract: A digital audio conferencing system has a fixed base station that is in communication with a far end (R.E.) system over a communication network. The base station is associated with a wireless loudspeaker and one or more wireless microphones. The base station operates to receive F.E. audio signals to be played by the wireless loudspeaker, and it operates to remove acoustic echo picked up by the wireless microphones. A first clock controlling F.E. audio signal sampling at the base station, and a second clock controlling audio signal sampling and at a wireless microphone are synchronized to one master, reference clock that controls the operation of the base station. Acoustic echo included in an audio signal picked up by a wireless microphone is removed by AEC functionality running in the base station.

    Abstract translation: 数字音频会议系统具有通过通信网络与远端（R.E.）系统通信的固定基站。 基站与无线扬声器和一个或多个无线麦克风相关联。 基站操作以接收由无线扬声器播放的F.E.音频信号，并且其操作以去除由无线麦克风拾取的声学回声。 控制基站处的F.E.音频信号采样的第一时钟和控制音频信号采样的第二时钟和无线麦克风同步到控制基站操作的一个主控参考时钟。 包含在由无线麦克风拾取的音频信号中的声学回声由在基站中运行的AEC功能消除。

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