A Study on Propagation Characteristics of Acoustic Signals in Indoor Environments 


Vol. 36,  No. 2, pp. 119-125, Feb.  2011


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  Abstract

Start This paper analyzes the propagation characteristics of acoustic signals in indoor environments, which is applicable to indoor positioning system. Indoor stereo sound system is generally valid within 25㎡. So it is not possible to apply prevalent sound propagation characteristic to indoor positioning system because the prevalent acoustic signals propagation characteristic is defined under free space condition. Therefore, in this paper, we present the propagation characteristics of acoustic signals in indoor environments considering the free space propagation characteristic as well as room characteristics such as humidity, temperature, absorption of atmosphere and so on. To verify the designed propagation model of indoor acoustic signals, this paper presents the propagation characteristics of decreasing sinusoidal signals whose frequencies are from 1㎑ to 20㎑ in anechoic room. In addition, this paper also presents the propagation characteristics of decreasing sinusoidal signals which have multiple frequencies.

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  Cite this article

[IEEE Style]

S. Jeong, E. Lee, S. Yoo, S. Y. Kim, "A Study on Propagation Characteristics of Acoustic Signals in Indoor Environments," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 2, pp. 119-125, 2011. DOI: .

[ACM Style]

Sanghyo Jeong, Euihyoung Lee, Seungsoo Yoo, and Sun Yong Kim. 2011. A Study on Propagation Characteristics of Acoustic Signals in Indoor Environments. The Journal of Korean Institute of Communications and Information Sciences, 36, 2, (2011), 119-125. DOI: .

[KICS Style]

Sanghyo Jeong, Euihyoung Lee, Seungsoo Yoo, Sun Yong Kim, "A Study on Propagation Characteristics of Acoustic Signals in Indoor Environments," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 2, pp. 119-125, 2. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880