Robust Dual-Channel Noise Power Spectral Density Estimation

Authors:

Jeub, M. ,  Nelke, C. M. ,  Krüger, H. ,  Beaugeant, C. ,  Vary, P.

Book Title:

Proceedings of European Signal Processing Conference (EUSIPCO)

Organization:

EURASIP

Pages:

p.p. 2304-2308

Date:

Aug. 2011

ISSN:

2076-1465

Language:

English

Abstract

In this paper, we propose a novel noise power spectral density (PSD) estimator which is beneficial for speech enhancement systems with two microphones in diffuse noise environments. The algorithm has a low computational complexity and requires low memory usage. The main advantage is that arbitrary models of the noise field coherence can be employed and a scalable extension of existing single-channel speech enhancement systems to dual channels is also possible. Experiments demonstrate with simulated and measured data that the proposed algorithm outperforms related algorithms in diffuse noise conditions.

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