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Journal of the Acoustical Society of Japan (E)
Article . 1989 . Peer-reviewed
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Analysis of moving sound sources. Separation of multiple sources.

Authors: Tsuyoshi Usagawa; Seizi Nishimura; Masanao Ebata; Josuke Okda;

Analysis of moving sound sources. Separation of multiple sources.

Abstract

This paper proposes the identification and separation method of multiple sound sources on a single moving object. The proposed method is based on the compensation of the Doppler effect for a specific sound source and uses the difference of temporal characteristics between the specific sound source and others. After deriving both of observed and compensated spectra in a general form, we discuss the frequency shift of two sound sources model. Then simple models composed of two moving sources which radiate sinusoidal waves are simulated, and the results show the effectiveness of the proposed method. The proposed method is effective only for narrow band or sinusoidal signal, because this method depends on the temporal characteristics of frequency shift due to the movement of sound sources.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze