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    • 5. 发明授权
    • Electronic hearing protector with quadrant sound localization
    • 电子听力保护器,具有象限声音定位
    • US09180055B2
    • 2015-11-10
    • US14063820
    • 2013-10-25
    • HARMAN INTERNATIONAL INDUSTRIES, INC.
    • James M. KirschJeffrey L. HutchingsRussell LambertJosh Hunsaker
    • H04R1/10A61F11/14H04R5/027H04R3/00H04R5/033
    • A61F11/14A61F2011/145H04R1/1008H04R1/1083H04R3/005H04R5/027H04R5/033H04R2410/05
    • An electronic hearing protector includes an ear cup assembly comprising a front exterior microphone that provides a front microphone signal and a rear exterior microphone that provides a rear microphone signal. A processor receives and digitizes the front microphone signal and the rear microphone signal, and provides a front channel signal and a rear channel signal indicative thereof respectively. A filter receives the rear channel signal and has a cut-off frequency value that provides a high-frequency roll-off and a notch at a notch filter frequency value that is less than the cut-off frequency value, where the filter provides a filtered signal. A first signal indicative of the front channel signal and a second signal indicative of the filtered signal are summed, and a signal indicative of the summed signal is provided to a speaker within the ear cup that provides an audio signal within the first ear cup indicative of the summed signal.
    • 电子听力保护器包括耳罩组件,耳罩组件包括提供前麦克风信号的前外麦克风和提供后麦克风信号的后外麦克风。 处理器接收前置麦克风信号和后麦克风信号并对其进行数字化处理,并分别提供前信道信号和后信道信号。 滤波器接收后信道信号并具有截止频率值,该频率值提供低于截止频率值的陷波滤波器频率值的高频滚降和陷波,其中滤波器提供滤波 信号。 指示前信道信号的第一信号和指示经滤波的信号的第二信号被相加,并且指示相加信号的信号被提供给耳塞内的扬声器,其提供第一耳杯内的音频信号, 总和信号。
    • 7. 发明申请
    • ELECTRONIC HEARING PROTECTOR WITH QUADRANT SOUND LOCALIZATION
    • 具有声音定位的电子听筒保护器
    • US20150117659A1
    • 2015-04-30
    • US14063820
    • 2013-10-25
    • HARMAN INTERNATIONAL INDUSTRIES, INC.
    • James KirschJeffrey L. HutchingsRussell LambertJosh Hunsaker
    • A61F11/14
    • A61F11/14A61F2011/145H04R1/1008H04R1/1083H04R3/005H04R5/027H04R5/033H04R2410/05
    • An electronic hearing protector includes an ear cup assembly comprising a front exterior microphone that provides a front microphone signal and a rear exterior microphone that provides a rear microphone signal. A processor receives and digitizes the front microphone signal and the rear microphone signal, and provides a front channel signal and a rear channel signal indicative thereof respectively. A filter receives the rear channel signal and has a cut-off frequency value that provides a high-frequency roll-off and a notch at a notch filter frequency value that is less than the cut-off frequency value, where the filter provides a filtered signal. A first signal indicative of the front channel signal and a second signal indicative of the filtered signal are summed, and a signal indicative of the summed signal is provided to a speaker within the ear cup that provides an audio signal within the first ear cup indicative of the summed signal.
    • 电子听力保护器包括耳罩组件,耳罩组件包括提供前麦克风信号的前外麦克风和提供后麦克风信号的后外麦克风。 处理器接收前置麦克风信号和后麦克风信号并对其进行数字化处理,并分别提供前信道信号和后信道信号。 滤波器接收后信道信号并具有截止频率值,该频率值提供低于截止频率值的陷波滤波器频率值的高频滚降和陷波,其中滤波器提供滤波 信号。 指示前信道信号的第一信号和指示经滤波的信号的第二信号被相加,并且指示相加信号的信号被提供给耳塞内的扬声器,其提供第一耳杯内的音频信号, 总和信号。