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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.3
- 수록면
- 234 - 239 (6page)
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초록· 키워드
오류제보하기
For the efficient coding and transmission, the speech signal can be classified into three distinctive classes: voiced, unvoiced, and transition classes. At low bit rate coding below 4 kbit/s, conventional sinusoidal transform coders synthesize speech of high quality for the purely voiced and unvoiced classes, whereas not for the transition class. The transition class including plosive sound and abrupt voiced-onset has the lack of periodicity, thus it is often classified and synthesized as the unvoiced class. In this paper, the efficient algorithm for the transition class detection is proposed, which demonstrates superior detection performance not only for clean speech but for noisy speech. For the detected transition frame, phase information is transmitted instead of magnitude information for speech synthesis. From the listening test, it was shown that the proposed algorithm produces better speech quality than the conventional one.
목차
ABSTRACT
Ⅰ. 서론
Ⅱ. Noise-Robust Detection Of The Transition Class
Ⅲ. Speech Synthesis For The Transition Class
Ⅳ. Performance Evaluation
Ⅴ. Conclusions
References
참고문헌 (8)
참고문헌 신청
1. [단행본] - L. R. Rabiner / 1978 / Digital Processing of Speech Signals / Prentice Hall
2. [단행본] - T. F. Quatieri / 2002 / Discrete-Time Speech Signal Processing: Principles and Practices / Prentice Hall
3. [기타자료] - DVSI / 1993 / APCO project 25: Vocoder Description, Version 1.3
4. [학술대회논문] - Y. D. Cho / 1998 / A spectrally mixed excitation (SMX) vocoder with robust parameters determination / Proc. IEEE Int. Conf. Acoustics, Speech, Signal Processing : 601 ~ 604
5. [학술대회논문] - C. Li / 1998 / 'Enhanced Harmonic Coding of Speech with Frequency Domain Transition Modeling / Proc. IEEE Int. Conf. Acoustics, Speech, Signal Processing : 581 ~ 584
2. [단행본] - T. F. Quatieri / 2002 / Discrete-Time Speech Signal Processing: Principles and Practices / Prentice Hall
3. [기타자료] - DVSI / 1993 / APCO project 25: Vocoder Description, Version 1.3
4. [학술대회논문] - Y. D. Cho / 1998 / A spectrally mixed excitation (SMX) vocoder with robust parameters determination / Proc. IEEE Int. Conf. Acoustics, Speech, Signal Processing : 601 ~ 604
5. [학술대회논문] - C. Li / 1998 / 'Enhanced Harmonic Coding of Speech with Frequency Domain Transition Modeling / Proc. IEEE Int. Conf. Acoustics, Speech, Signal Processing : 581 ~ 584
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