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    • 32. 发明申请
    • MICROPHONE ARRAY WITH DAISY-CHAIN SUMMATION
    • 麦克风阵列与DAISY-CHAIN SUMMATION
    • US20130121504A1
    • 2013-05-16
    • US13428496
    • 2012-03-23
    • Robert ADAMSDavid HOSSACKBenjamin VIGODAEric NESTLERMira WILCZEK
    • Robert ADAMSDavid HOSSACKBenjamin VIGODAEric NESTLERMira WILCZEK
    • H04R3/00H03F99/00H04R9/08
    • H04R3/005H04R2499/13
    • Microphone stages in a microphone array may be coupled together in a daisy chain. Each stage may include a microphone, an analog to digital converter, a decimation unit, a receiver, an adder, and a transmitter. The converter may convert analog audio microphone signals into digital codes that may be decimated. The adder may add decimated digital codes in each stage to a cumulative sum of decimated digital codes from prior stages. This new sum may be transmitted to the next microphone stage, where the adder may add the decimated digital codes from that stage to the cumulative sum. A serial interface may be used to connect the transmitters and receivers of each of the stages. The serial interface may be used to transmit the cumulative sum of decimated digital codes between the stages. The serial interface may also be used to transmit configuration data between the stages.
    • 麦克风阵列中的麦克风级可以以菊花链耦合在一起。 每个阶段可以包括麦克风,模数转换器,抽取单元,接收器,加法器和发射器。 转换器可将模拟音频麦克风信号转换为可能被抽取的数字代码。 加法器可以将每个级中的抽取的数字代码添加到来自前一级的抽取的数字代码的累积和。 这个新的和可以传送到下一个麦克风阶段,其中加法器可以将从该阶段抽取的数字代码添加到累积和。 可以使用串行接口连接每个级的发射机和接收机。 串行接口可以用于在级之间传送抽取的数字代码的累加和。 串行接口也可用于在各个级之间传输配置数据。
    • 34. 发明申请
    • SYSTEM AND METHOD FOR IMPROVING HEADPHONE SPATIAL IMPRESSION
    • 改善耳机空间印象的系统和方法
    • US20120020502A1
    • 2012-01-26
    • US13115550
    • 2011-05-25
    • Robert Adams
    • Robert Adams
    • H04R5/02
    • H04S7/304H04S2420/01
    • A headphone system includes a headphone, a sensor, and a processor. The headphone may provide sound from virtual speakers to a listener via a plurality of sound paths that are filtered with a plurality of filters. The sensor may sense an angular velocity of a movement of the listener. The processor may receive the angular velocity and may calculate delays in the plurality of sound paths and filter coefficients for the plurality of filters based on the angular velocity, and insert the calculated delays in the plurality of sound paths and adjust the plurality of filters with the calculated filter coefficients.
    • 耳机系统包括耳机,传感器和处理器。 耳机可以通过用多个滤波器滤波的多个声音路径将来自虚拟扬声器的声音提供给收听者。 传感器可以感测收听者的运动的角速度。 处理器可以接收角速度并且可以基于角速度计算多个声音路径中的延迟和多个滤波器的滤波器系数,并且将所计算的延迟插入到多个声音路径中并且利用 计算滤波器系数。
    • 38. 发明申请
    • SYSTEM AND METHOD FOR PROVIDING A CONTROL SIGNAL
    • 用于提供控制信号的系统和方法
    • US20110140636A1
    • 2011-06-16
    • US13054595
    • 2009-03-20
    • Robert AdamsUli JoosJosef SchnellJochen Zwick
    • Robert AdamsUli JoosJosef SchnellJochen Zwick
    • H05B37/02H02H3/00
    • H02M3/156H02M1/32H05B39/02H05B39/047H05B41/2856
    • The system, which provides a control signal, includes an over-current control unit, a time clock that provides a periodic time signal, and a clock generator unit that includes a first input terminal, a second input terminal, and an output terminal. The first input terminal is coupled to the time clock and the output terminal is coupled to the over-current control unit. The first input terminal of the clock generator unit receives the periodic time signal and the second input terminal of the clock generator unit receives a modification signal. The clock generator unit generates a clock signal based on the periodic time signal and the modification signal. The output terminal of the clock generator unit provides the clock signal to the over-current control unit, and the over-current control unit provides a control signal based on the clock signal.
    • 提供控制信号的系统包括过电流控制单元,提供周期性时间信号的时钟,以及包括第一输入端,第二输入端和输出端的时钟发生器单元。 第一输入端耦合到时钟,输出端耦合到过电流控制单元。 时钟发生器单元的第一输入端接收周期时间信号,时钟发生器单元的第二输入端接收修改信号。 时钟发生器单元基于周期时间信号和修改信号产生时钟信号。 时钟发生器单元的输出端子向过流控制单元提供时钟信号,并且过电流控制单元基于时钟信号提供控制信号。