Publications-Detail

Robust Direction of Arrival Estimation for Speech Enhancement in Noisy Reverberant Rooms

Authors:
Lotter, T.Löllmann, H. W.Vary, P.
Book Title:
Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
Organization:
IEEE
Address:
Orlando, Florida, USA
Date:
May. 2002
Language:
English

Abstract

Summary form only given, as follows. This paper describes an eigendecomposition based approach to estimate the direction of arrival (DOA) of speech or noise sources in a reverberant room using a microphone array. Unitary ESPRIT (estimation of signal parameters by rotational invariance techniques), a DOA estimation algorithm for narrowband signals, is applied to these wideband signals, resulting in DOA estimates for each frequency. A single estimate is then obtained by means of a histogram. The estimated DOAs of the speech source are used to enhance a noisy speech signal by means of a superdirective beamformer. Experiments in a noisy reverberant room showed a higher estimation accuracy, and thus a better speech enhancement performance, at low SNRs compared to other DOA estimation techniques.

Download

BibTeX

Copyright © by IEEE
lotter02.pdf
© 2024 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.