서지주요정보
대표 평균패턴과 가중 켑스트럼을 이용한 화자인식의 성능 향상에 관한 연구 = Text-dependent speaker recognition using pattern averaging and cepstrum weighting
서명 / 저자 대표 평균패턴과 가중 켑스트럼을 이용한 화자인식의 성능 향상에 관한 연구 = Text-dependent speaker recognition using pattern averaging and cepstrum weighting / 정종순.
저자명 정종순 ; Jung, Jong-Sun
발행사항 [대전 : 한국과학기술원, 1996].
Online Access 원문보기 원문인쇄

소장정보

등록번호

8006829

소장위치/청구기호

학술문화관(문화관) 보존서고

MICE 96020

휴대폰 전송

도서상태

이용가능

대출가능

반납예정일

등록번호

9002832

소장위치/청구기호

서울 학위논문 서가

MICE 96020 c. 2

휴대폰 전송

도서상태

이용가능

대출가능

반납예정일

초록정보

In this thesis work, we make on effort to improve the performance of the text-dependent speaker recognition algorithm based on dynamic time warping(DTW). The work is done to obtain the improved performance in the three major areas of speaker recognition problems. They how to properly extract speaker's information, how to reject imposters, and how to reduce the effects of the time-variation of the recognition rate. In order to reduce the time-variation of the matching performance of DTW, we adopt the pattern averaging technique which results in an average pattern to represent many reference patterns of long duration. We can also significantly reduce the computation time of DTW for pattern matching. To maximize the inter-speaker distinction, we propose a weighted cepstrum method. This method derives the weighted cepstral coefficients using F-ratio which is the measure of the inter-speaker variation with respect to the intra-speaker variation of the cepstral coefficients. Speaker recognition experiments are done by applying the pattern averaging and the cepstrum weighting by the F-ratio to the mel-cepstrum coefficients. The experimental results show that the speaker recognition performance improves 5 to 6 % over the conventional DTW pattern matching with cepstrum features. The proposed speaker recognition algorithm is implemented for the door-lock system using a DSP board with a TMS320C31.

서지기타정보

서지기타정보
청구기호 {MICE 96020
형태사항 iv, 62 p. : 삽도 ; 26 cm
언어 한국어
일반주기 저자명의 영문표기 : Jong-Sun Jung
지도교수의 한글표기 : 이황수
지도교수의 영문표기 : Hwang-Soo Lee
학위논문 학위논문(석사) - 한국과학기술원 : 정보및통신공학과,
서지주기 참고문헌 : p. 61-62
주제 디지탈 통신
무선
모뎀
변조방식
DQPSK
Digital communication
Wireless
Modem
QR CODE qr code