Time-frequency plane Wiener filtering for robust processing of speech signals

Author

Ang, Adrian ; Ang, Ee-Luang ; Premkumar, A.B. ; Madhukumar, A.S.

Author_Institution

Sch. of Appl. Sci., Nanyang Technol. Inst., Singapore

Volume

1

fYear

1997

fDate

4-4 Dec. 1997

Firstpage

35

Abstract

This paper uses discrete wavelet transforms together with Wiener filtering to enhance noisy speech for further processing. The speech signal is mixed with various levels of white and coloured noises and decomposed into several levels using wavelet analysis. The output signal at each level is processed separately using iterative Wiener filtering. An efficient speech coding system is developed for the enhanced speech bands.

Keywords

speech enhancement; coloured noise; discrete wavelet transforms; enhanced speech bands; iterative Wiener filtering; noisy speech enhancement; output signal; robust processing; speech coding system; speech signals; time-frequency plane Wiener filtering; wavelet analysis; white noise; Colored noise; Discrete wavelet transforms; Noise robustness; Signal processing; Speech analysis; Speech coding; Speech enhancement; Speech processing; Time frequency analysis; Wiener filter;

fLanguage

English

Publisher

ieee

Conference_Titel

TENCON '97. IEEE Region 10 Annual Conference. Speech and Image Technologies for Computing and Telecommunications., Proceedings of IEEE

Conference_Location

Brisbane, Qld., Australia

Print_ISBN

0-7803-4365-4

Type

conf

DOI

10.1109/TENCON.1997.647252

Filename

647252