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Apparatus and method for protecting hearing from noise while enhancing a sound signal of interest
专利权人:
Kevin Fynn;Sven Erik Nordholm
发明人:
Sven Erik Nordholm,Kevin Fynn
申请号:
US11574665
公开号:
US08229740B2
申请日:
2005.09.07
申请国别(地区):
US
年份:
2012
代理人:
摘要:
An apparatus for sound enhancement has at least two microphones (9) that provide a directional microphone array which is arranged to be pointed in the direction of a sound source. The directional microphone array thereby receives sound emitted by the sound source and generates sound signals. A processor (20) processors the sound signals generated by the microphone array to enhance the sound received by the directional microphone array from the sound source relative to other sound received by the directional microphone array. The processor (20) generates a corresponding enhanced signal (ES). Loud speakers (22) reproduce the enhanced signal as audible sound. Furthermore, sound suppression devices (7, 7a) are provided to suppress ambient should from reaching the eardrums of the user. This sound suppression acts in conjunction with the directional microphone array and the processor (20) which enhance the SOI to provide a listening environment in which the SOI is enhanced.
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中国工程科技知识中心
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