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- 저자 : Ryuta Baba (검색결과 1 건)
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A study of "Listen" and "Hear"
Ryuta Baba,Yuki Mochizuki,Takashi Toriizuka,Yoshinori Horie 대한인간공학회 2010 대한인간공학회 학술대회논문집 Vol.2010 No.5
Recently, the portable audio players such as iPods are widespread. In this context, more people listen to music with headphones, and some people accidents such as the bicycles, cars or trains happen. People with headphones are shut off from surrounding sounds. So they can’t perceive sound information necessary to avoid the accidents. That’s why they have accidents. Then in this study it pays attention importantly of the balance of "Listen" and "Hear" that is the act that humans obtains outside auditory information as an influence that the headphone use in outdoor exerts on the perception function of aural, and in the present study, the measurement of the P300 event-related-potential(ERP) is used and examined. “Listen" means outside auditory information is actively obtained."Hear" means outside auditory information is felt passive with the ear. The tests subject the schoolboy who was listening to music daily by the healthy physically and mentally. Experimental conditions set three conditions when a normal headphone is used and when the headphone is not used when it uses noise-canceling headphone. The experimental methodology is tried by the ‘oddball’ Paradigm using the auditory stimulus that can be two kinds of discern it. The auditory stimuli use the bell sound of the bicycle and the running sound of the car. Target stimulus is a bell sound of the bicycle. Non-target stimulus is assumed to be a running sound of the car.
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