A study on the robust speaker recognition algorithm in noise surroundings

Jung Jong Soon

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2005, 10(6), pp.47-54
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

Jung Jong Soon ¹

¹ 상지영서대학교

ABSTRACT

In the most of speaker recognition system, speaker's characteristics is extracted from acoustic parameter by speech analysis and we make speaker's reference pattern. Parameters used in speaker recognition system are desirable expressing speaker's characteristics fully and being a few difference whenever it is spoken. Therefore we suggest following to solve this problem. This paper is proposed to use strong spectrum characteristic in non-noise circumstance and prosodic information in noise circumstance. In a stage of making code book, we make the number of data we need to combine spectrum characteristic and prosodic information. We decide acceptance or rejection comparing test pattern and each model distance. As a result, we obtained more improved recognition rate than we use spectrum and prosodic information especially we obtained stational recognition rate in noise circumstance.
KEYWORDS

prosodic information , code book , pitch ratio
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