Speech enhancement in presence of diffuse background noise: Why using blind signal extraction?

Author

Even, Jani ; Saruwatari, Hiroshi ; Shikano, Kiyorhiro ; Takatani, Tomoya

Author_Institution

Nara Inst. of Sci. & Technol., Ikoma, Japan

fYear

2010

fDate

14-19 March 2010

Firstpage

4770

Lastpage

4773

Abstract

This paper study the blind estimation of the diffuse background noise for the hands-free speech interface. Some recent papers showed that it is possible to use blind signal separation (BSS) to estimate the diffuse background noise by suppressing the speech component after all the components were separated. In particular, the scale indeterminacy of BSS is avoided by using the projection back method. In this paper, we study an alternative to the projection back for the noise estimation and justify the use of blind signal extraction BSE rather than BSS.

Keywords

blind source separation; interference suppression; speech enhancement; BSS; background noise; blind signal extraction; blind signal separation; noise estimation; noise suppression; projection back method; speech enhancement; Acoustic noise; Acoustic reflection; Background noise; Blind source separation; Fourier transforms; Frequency domain analysis; Frequency estimation; Microphone arrays; Sampling methods; Speech enhancement; blind signal extraction; noise estimation; speech enhancement;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics Speech and Signal Processing (ICASSP), 2010 IEEE International Conference on

Conference_Location

Dallas, TX

ISSN

1520-6149

Print_ISBN

978-1-4244-4295-9

Electronic_ISBN

1520-6149

Type

conf

DOI

10.1109/ICASSP.2010.5495160

Filename

5495160