Utilizing interband acoustical information for modeling stationary time-frequency regions of noisy speech

Author

Yoo, Chang D.

Author_Institution

Korea Telecom, Seoul, South Korea

Volume

2

fYear

1999

fDate

15-19 Mar 1999

Firstpage

809

Abstract

A novel enhancement system is developed that exploits the properties of stationary regions localized in both time and frequency. This system selects stationary time-frequency (TF) regions and adaptively enhances each region according to its local signal-to-noise ratio (LSNR) while utilizing both the acoustical knowledge of speech and the masking properties of the human auditory system. Each region is enhanced for maximum noise reduction while minimizing distortion. This paper evaluates the proposed system through informal listening tests and some objective measures

Keywords

acoustic noise; speech enhancement; time-frequency analysis; distortion; enhancement system; human auditory system; interband acoustical information; listening tests; local signal-to-noise ratio; masking properties; noise reduction; noisy speech; stationary regions; stationary time-frequency regions; Acoustic distortion; Acoustic testing; Auditory system; Humans; Noise reduction; Signal to noise ratio; Speech coding; Speech enhancement; System testing; Time frequency analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 1999. Proceedings., 1999 IEEE International Conference on

Conference_Location

Phoenix, AZ

ISSN

1520-6149

Print_ISBN

0-7803-5041-3

Type

conf

DOI

10.1109/ICASSP.1999.759794

Filename

759794