Fast deconvolution of multichannel systems using regularization

Author

Kirkeby, Ole ; Nelson, Philip A. ; Hamada, Hareo ; Orduna-Bustamante, Felipe

Author_Institution

Inst. of Sound & Vibration Res., Southampton Univ., UK

Volume

6

Issue

2

fYear

1998

fDate

3/1/1998 12:00:00 AM

Firstpage

189

Lastpage

194

Abstract

A very fast deconvolution method, which is based on the fast Fourier transform (FFT), can be used to control the outputs from a multichannel plant comprising any number of control sources and error sensors. The result is a matrix of causal finite impulse response filters whose performance is optimized at a large number of discrete frequencies. The paper is particularly aimed at multichannel sound reproduction and more specifically reproducing the sound field from a set of loudspeakers

Keywords

FIR filters; acoustic field; acoustic filters; deconvolution; fast Fourier transforms; loudspeakers; sound reproduction; FFT; causal finite impulse response filter matrix; control sources; discrete frequencies; error sensors; fast Fourier transform; fast deconvolution method; loudspeakers; multichannel plant; multichannel sound reproduction; multichannel systems; regularization; sound field; Control systems; Deconvolution; Digital filters; Error correction; Fast Fourier transforms; Finite impulse response filter; Frequency; Loudspeakers; Microphones; Sensor systems;

fLanguage

English

Journal_Title

Speech and Audio Processing, IEEE Transactions on

Publisher

ieee

ISSN

1063-6676

Type

jour

DOI

10.1109/89.661479

Filename

661479