An investigation of time delay estimation in room acoustic environment using magnitude ratio

Jwu-Sheng Hu; Chia Hsin Yang; Wei Han Liu

doi:10.1016/j.sigpro.2009.06.009

An investigation of time delay estimation in room acoustic environment using magnitude ratio

Jwu-Sheng Hu, Chia Hsin Yang^*, Wei Han Liu

^*Corresponding author for this work

Department of Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

This paper investigates the relation between the nonstationary sound source and the frequency domain magnitude ratio of two microphones based on short-term frequency analysis. The fluctuation level of nonstationary sound sources is modeled by the exponent of polynomials from the concept of moving pole model. According to this model, the sufficient condition for utilizing the fluctuation level and magnitude ratio to estimate the time delay between two microphones is suggested. Simulation results are presented to show the performance of the suggested method.

Original language	English
Pages (from-to)	378-384
Number of pages	7
Journal	Signal Processing
Volume	90
Issue number	1
DOIs	https://doi.org/10.1016/j.sigpro.2009.06.009
State	Published - 1 Jan 2010

Keywords

Magnitude ratio
Time delay estimation

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title = "An investigation of time delay estimation in room acoustic environment using magnitude ratio",

abstract = "This paper investigates the relation between the nonstationary sound source and the frequency domain magnitude ratio of two microphones based on short-term frequency analysis. The fluctuation level of nonstationary sound sources is modeled by the exponent of polynomials from the concept of moving pole model. According to this model, the sufficient condition for utilizing the fluctuation level and magnitude ratio to estimate the time delay between two microphones is suggested. Simulation results are presented to show the performance of the suggested method.",

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AB - This paper investigates the relation between the nonstationary sound source and the frequency domain magnitude ratio of two microphones based on short-term frequency analysis. The fluctuation level of nonstationary sound sources is modeled by the exponent of polynomials from the concept of moving pole model. According to this model, the sufficient condition for utilizing the fluctuation level and magnitude ratio to estimate the time delay between two microphones is suggested. Simulation results are presented to show the performance of the suggested method.

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