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Discussion on differences in frequency band required for horizontal sound localization by age

Published: 29 May 2019 Publication History

Abstract

In this paper, the horizontal sound image experiment of the real sound source was performed under the head resting condition using the band - limited noise using the low pass filter and the band pass filter. Then, the effect of each frequency band on direction perception of the hearing person and the elderly person was clarified. Five people with healthy men in their twenties and five elderly people in their 70s male hearing white noise pass through low-pass filters (2, 3, 4, 5, 6 kHz) and band-pass filters (1-4, 2-4, 2-5 [kHz]) passed through the directional perception experiment. As a result, similarly to the previous study [1], it is difficult to perceive directions sufficiently if two or more frequency bands are included, and it is difficult to perceive the direction of band-pass noise through a band-pass filter of a narrow frequency band. As a result of this research, Direction perception was found that the frequency band around 4 [kHz] and 6 [kHz] is small as an element of direction perception and the frequency band around 5 [kHz] is an important clue for direction perception.

References

[1]
Morikawa Daisuke, Shimakura Nozomi, Hirahara Tatsuya, "Frequency band required for horizontal plane sound image localization", Proceedings of the 2009 Acoustical Society of Japan 527--528
[2]
Japan Track 2018
[3]
Hattori Hiroshi, Takahara Tetsuo, Yamamoto Matsuki "Regarding orientation of wearing hearing aids", 1978 Otolaryngology Clinical Society Conference Papers, 137--146
[4]
Tatsuya Hirahara, Makoto Otani, Iwaki Toshima, "Problems related to measurement of head related transfer function and binaural regeneration", Fundamentals Review, vol. 2, No.4, 68--85 (2009)
[5]
Suzuki Yoichi, Akagi Akinori, Sato Hiroshi, Sakaki Sasami, Nakamura Kentarou, "Introduction to acoustics" (published by Corona Publishing) P 23--31
[6]
Tatsuya Hirahara, Makoto Otani, Iwaki Toshima, "Problems related to measurement of head related transfer function and binaural regeneration", Fundamentals Review, vol. 2, No.4, 68--85 (2009)
[7]
Morikawa Daisuke, Hirahara Tatsuya, "Horizontal plane sound image localization by band limited noise", Proceedings of the 2010 Institute of Electronics Information and Communication Proceedings, 85--88

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  1. Discussion on differences in frequency band required for horizontal sound localization by age

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    ACIT '19: Proceedings of the 7th ACIS International Conference on Applied Computing and Information Technology
    May 2019
    248 pages
    ISBN:9781450371735
    DOI:10.1145/3325291
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    Published: 29 May 2019

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    Author Tags

    1. Sound localization
    2. band-limited noise
    3. band-pass noise
    4. low-pass noise

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