Parameterization of the three-dimensional room transfer function in horizontal plane

Date

2015

Authors

Zhang, Wen
Abhayapala, Thushara
Bu, Bing
Bao, Chang-chun

Journal Title

Journal ISSN

Volume Title

Publisher

Acoustical Society of America

Abstract

This letter proposes an efficient parameterization of the three-dimensional room transfer function (RTF) which is robust for the position variations of source and receiver in respective horizontal planes. Based on azimuth harmonic analysis, the proposed method exploits the underlying properties of the associated Legendre functions to remove a portion of the spherical harmonic coefficients of RTF which have no contribution in the horizontal plane. This reduction leads to a flexible measuring-point structure consisting of practical concentric circular arrays to extract horizontal plane RTF coefficients. The accuracy of the above parameterization is verified through numerical simulations.

Description

Keywords

Citation

Source

Journal of the Acoustical Society of America

Type

Journal article

Book Title

Entity type

Access Statement

Open Access

License Rights

DOI

10.1121/1.4929630

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