Presentation 2009-10-23
Threshold of hearing and signal bandwidth necessary for horizontal sound localization
Daisuke MORIKAWA, Nozomi SHIMAKURA, Tatsuya HIRAHARA,
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Abstract(in English) This paper clarifies the relationship between subjects hearing threshold level and signal bandwidth necessary for horizontal sound localization. Ten subjects listened to white noise, low-pass (0.5, 1, 2, 4, 8kHz) or high-pass (2, 4, 8, 12, 16kHz) filtered noise stimuli. Localization accuracies as a function of filter cut off frequency are similar among subjects. Those for low-pass filtered noises, however, show important individual difference. Almost subjects can hardly localize heavily low-pass (0.5, 1, 2kHz) or high-pass (12, 16kHz) filtered noises. For subjects who have severe hearing losses at higher frequency, the narrower the stimulus bandwidth the less the localization accuracy.
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Keyword(in English) sound localization / localization accuracy / signal bandwidth / threshold of hearing
Paper # EA2009-70
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Committee EA
Conference Date 2009/10/15(1days)
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Registration To Engineering Acoustics (EA)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Threshold of hearing and signal bandwidth necessary for horizontal sound localization
Sub Title (in English)
Keyword(1) sound localization
Keyword(2) localization accuracy
Keyword(3) signal bandwidth
Keyword(4) threshold of hearing
1st Author's Name Daisuke MORIKAWA
1st Author's Affiliation Faculty of Engineering, Toyama Prefectural University()
2nd Author's Name Nozomi SHIMAKURA
2nd Author's Affiliation Faculty of Engineering, Toyama Prefectural University
3rd Author's Name Tatsuya HIRAHARA
3rd Author's Affiliation Faculty of Engineering, Toyama Prefectural University
Date 2009-10-23
Paper # EA2009-70
Volume (vol) vol.109
Number (no) 240
Page pp.pp.-
#Pages 6
Date of Issue