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    • 8. 发明申请
    • ACOUSTIC NOISE REDUCTION AUDIO SYSTEM HAVING TAP CONTROL
    • 具有自控功能的声学降噪音频系统
    • WO2017105783A1
    • 2017-06-22
    • PCT/US2016/063006
    • 2016-11-21
    • BOSE CORPORATION
    • YAMKOVOY, Paul
    • G10K11/178H04R1/10H04R3/00
    • H04R1/1041G10K11/17835G10K11/17875G10K11/17879G10K2210/1081G10K2210/30231H04R1/1083H04R3/007H04R29/001H04R2460/01
    • Acoustic noise reduction (ANR) headphones (10) described herein have current detection circuitry (14) that is used to detect current consumed by ANR circuitry (12) as a result of pressure changes due to a tapping of a headphone (10). Tapping may be performed to change an audio feature or operating mode. The current detection circuitry (14) senses a characteristic of the current that can be used to determine an occurrence of a tap event. Examples of a characteristic include an amplitude, waveform or duration of the sensed current. Advantageously, the ANR headphones (10) avoid the need for control buttons to initiate the desired changes to the audio feature or operating mode. Error detection circuitry (16) included in the ANR headphones can distinguish between a valid tap events and an occurrence of a different type of event that may otherwise be improperly be interpreted as a tap event.
    • 这里描述的噪声降低(ANR)头戴式耳机(10)具有电流检测电路(14),该电流检测电路用于检测ANR电路(12)所消耗的电流作为由于敲击引起的压力变化的结果 的耳机(10)。 轻敲可以被执行以改变音频特征或操作模式。 电流检测电路(14)感测可用于确定轻叩事件的发生的电流的特性。 特性的例子包括感测电流的幅度,波形或持续时间。 有利地,ANR耳机(10)避免了对控制按钮的需要,以启动对音频特征或操作模式的所需改变。 包括在ANR耳机中的错误检测电路(16)可以区分有效的轻击事件和不同类型事件的发生,否则这些事件可能不适当地被解释为轻击事件。
    • 9. 发明申请
    • NOISE AND VIBRATION SENSING
    • 噪音和振动感应
    • WO2017068455A1
    • 2017-04-27
    • PCT/IB2016/056044
    • 2016-10-10
    • HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH
    • PFAFFINGER, Gerhard
    • G10K11/178
    • G10K11/17833G10K11/17835G10K2210/1282G10K2210/501G10K2210/503
    • An active road-noise control system and method include using a sensor arrangement to generate a first sense signal representative of at least one acceleration, motion and/or vibration that occurs at a first position on a vehicle body and a second sense signal representative of sound that occurs at a second position within the vehicle body; they also provide a noise-reducing signal by processing the sense signals according to a first or a second mode of operation. They include the generation of noise-reducing sound within the vehicle body at the second position from the noise reducing signal and the operational state of the sensor arrangement; the first sense signal and the second sense signal are processed in the first mode when the sensor arrangement is in a proper operational state and in the second mode when a malfunction of the sensor arrangement has been detected.
    • 主动道路噪声控制系统和方法包括使用传感器装置来生成代表在车身上的第一位置处发生的至少一个加速度,运动和/或振动的第一感测信号 以及表示在所述车体内的第二位置处发生的声音的第二感测信号; 它们还通过根据第一或第二操作模式处理感测信号来提供噪声降低信号。 它们包括从噪声降低信号和传感器装置的操作状态在第二位置处在车体内产生降噪声音; 当传感器装置处于正常操作状态时,以第一模式处理第一感测信号和第二感测信号,并且在检测到传感器装置的故障时以第二模式处理第一感测信号和第二感测信号。