ALTERNATIVES TO SPHERICAL MICROPHONE ARRAYS: HYBRID GEOMETRIES

被引：5

作者：

Abhayapala, Thushara D. ^{[1
]}

Gupta, Aastha ^{[1
]}

机构：

[1] Australian Natl Univ, CECS, RSISE, Dept Informat Engn, Canberra, ACT 0200, Australia

来源：

2009 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1- 8, PROCEEDINGS | 2009年

关键词：

Soundfield; microphone arrays; spherical microphone array; spherical harmonics; hybrid array;

D O I：

10.1109/ICASSP.2009.4959525

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

We present a novel theory and design for constructing microphone arrays to extract spherical harmonic components from soundfields. The proposed non-spherical array structure provides a flexible and alternative design to the traditional spherical microphone arrays with lesser restriction on sensor locations. We use the properties of the associated Legendre functions and the spherical Bessel functions to develop a systematic approach to place circular microphone arrays in three dimensions for hybrid array geometries. As an illustration, we design and simulate a fifth order spherical harmonic decomposition array using 70 microphones to operate over a frequency band of an octave.

引用

页码：81 / 84

页数：4

共 50 条

[1] Modular Design for Spherical Microphone Arrays
Gonzalez, Raimundo
Pearce, Joshua
Lokki, Tapio
[J]. 2018 AES INTERNATIONAL CONFERENCE ON AUDIO FOR VIRTUAL AND AUGMENTED REALITY, 2018,
[2] SPEAKER TRACKING WITH SPHERICAL MICROPHONE ARRAYS
McDonough, John
Kumatani, Kenichi
Arakawa, Takayuki
Yamamoto, Kazumasa
Raj, Bhiksha
[J]. 2013 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP), 2013, : 3981 - 3985
[3] Spatial aliasing in spherical microphone arrays
Rafaely, Boaz
Weiss, Barak
Bachmat, Eitan
[J]. IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2007, 55 (03) : 1003 - 1010
[4] Analysis and design of spherical microphone arrays
Rafaely, B
[J]. IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING, 2005, 13 (01): : 135 - 143
[5] Optimal Modal Beamforming for Spherical Microphone Arrays
Yan, Shefeng
Sun, Haohai
Svensson, U. Peter
Ma, Xiaochuan
Hovem, Jens M.
[J]. IEEE TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, 2011, 19 (02): : 361 - 371
[6] Adaptive Beamformer for Spherical Eigenbeamforming Microphone Arrays
Elko, Gary W.
Meyer, Jens
[J]. 2014 4TH JOINT WORKSHOP ON HANDS-FREE SPEECH COMMUNICATION AND MICROPHONE ARRAYS (HSCMA), 2014, : 52 - 56
[7] Pusihng the frequency limits of spherical microphone arrays
Epain, N.
Daniel, J.
[J]. 2008 HANDS-FREE SPEECH COMMUNICATION AND MICROPHONE ARRAYS, 2008, : 9 - 12
[8] Spatial sampling and beamforming for spherical microphone arrays
Rafaely, Boaz
[J]. 2008 HANDS-FREE SPEECH COMMUNICATION AND MICROPHONE ARRAYS, 2008, : 5 - 8
[9] Super-resolution spherical microphone arrays
Rafaely, B
Park, M
[J]. 2004 23RD IEEE CONVENTION OF ELECTRICAL AND ELECTRONICS ENGINEERS IN ISRAEL, PROCEEDINGS, 2004, : 424 - 427
[10] Open-sphere designs for spherical microphone arrays
Balmages, Ilya
Rafaely, Boaz
[J]. IEEE TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, 2007, 15 (02): : 727 - 732

← 1 2 3 4 5 →