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Unpleasant sound pressure estimation system, unpleasant sound pressure estimation apparatus, unpleasant sound pressure estimation system operating method, and computer program therefor
专利权人:
パナソニック株式会社
发明人:
足立 信夫,森川 幸治,小澤 順
申请号:
JP2013513317
公开号:
JP5406414B2
申请日:
2012.10.16
申请国别(地区):
JP
年份:
2014
代理人:
摘要:
There is provided a technique which allows an uncomfortable sound pressure of a user to be estimated without presenting an overbearing sound to the user. An uncomfortable sound pressure estimation system includes: a biological signal measurement section for measuring an electroencephalogram signal of a user; a sound stimulation output section for presenting a sound stimulation group to the user, the sound stimulation group including a first sound, a second sound, and a third sound which are pure tones of the same frequency and which consecutively decrease in sound pressure within a predetermined range; an extraction section for, from the electroencephalogram signal in a predetermined zone defined based on a point of presenting at least one of the second sound and the third sound as a starting point, extracting an N1-P2-amplitude related or wavelet-coefficient related characteristic amount of event-related potential of the electroencephalogram signal; and a determination section for determining an uncomfortable sound pressure at the frequency of the sound stimulation group based on the characteristic amount extracted by the extraction section.
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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