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Dispositif de protection auditive électronique avec localisation sonore de quadrant
专利权人:
Harman International Industries; Inc.
发明人:
申请号:
EP14190105.8
公开号:
EP2866464B1
申请日:
2014.10.23
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
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.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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