A machine learning based speech enhancement method is proposed to improve the intelligibility of whispered speech. A binary mask estimated by a two-class support vector machine （SVM） classifier is used to synthesize...A machine learning based speech enhancement method is proposed to improve the intelligibility of whispered speech. A binary mask estimated by a two-class support vector machine （SVM） classifier is used to synthesize the enhanced whisper. A novel noise robust feature called Gammatone feature cosine coefficients （GFCCs） extracted by an auditory periphery model is derived and used for the binary mask estimation. The intelligibility performance of the proposed method is evaluated and compared with the traditional speech enhancement methods. Objective and subjective evaluation results indicate that the proposed method can effectively improve the intelligibility of whispered speech which is contaminated by noise. Compared with the power subtract algorithm and the log-MMSE algorithm, both of which do not improve the intelligibility in lower signal-to-noise ratio （SNR） environments, the proposed method has good performance in improving the intelligibility of noisy whisper. Additionally, the intelligibility of the enhanced whispered speech using the proposed method also outperforms that of the corresponding unprocessed noisy whispered speech.展开更多
Liao songs are the cultural and artistic products brewed by the people of Zhuang ethnic minority for thousand years. In this paper, the style and characteristics of singing Zhuang ethnic minority＇s Liao songs with m...Liao songs are the cultural and artistic products brewed by the people of Zhuang ethnic minority for thousand years. In this paper, the style and characteristics of singing Zhuang ethnic minority＇s Liao songs with male＇s two-part voice in Guangxi are mainly introduced through an analysis of vocal music and the study on the performance forms, singing language characteristics, and vocal music and resonance is mainly included, and also the important significance of singing Zhuang ethnic minority＇s Liao songs with male＇s two-part voice is discussed. Also, it is compared with the modern Chinese folk singing styles.展开更多
Paul M.Postal是美国转换生成学派的一位语言学家。他对Chomsky的标准理论(The Standard Theory)的系统形成,颇多贡献。他与Fodor,Katz一起,曾致力于把生成语法的概念扩充到语义的领域里去。近年来从事关系语法(relational grammars的...Paul M.Postal是美国转换生成学派的一位语言学家。他对Chomsky的标准理论(The Standard Theory)的系统形成,颇多贡献。他与Fodor,Katz一起,曾致力于把生成语法的概念扩充到语义的领域里去。近年来从事关系语法(relational grammars的著述。这篇文章是他为Roderick A.Jacobs和Peter S.Rosenbaum合编的《英语转换语法》(English Transformational Grammar)一书所写的跋。文章从介绍编写这本语法教科书的目的和意图出发,阐述了生成学派对语言问题的一些基本看法。现译述其中几节,题目是译者另加的。展开更多
基金The National Natural Science Foundation of China (No.61231002,61273266,51075068,60872073,60975017, 61003131)the Ph.D.Programs Foundation of the Ministry of Education of China(No.20110092130004)+1 种基金the Science Foundation for Young Talents in the Educational Committee of Anhui Province(No. 2010SQRL018)the 211 Project of Anhui University(No.2009QN027B)
文摘A machine learning based speech enhancement method is proposed to improve the intelligibility of whispered speech. A binary mask estimated by a two-class support vector machine （SVM） classifier is used to synthesize the enhanced whisper. A novel noise robust feature called Gammatone feature cosine coefficients （GFCCs） extracted by an auditory periphery model is derived and used for the binary mask estimation. The intelligibility performance of the proposed method is evaluated and compared with the traditional speech enhancement methods. Objective and subjective evaluation results indicate that the proposed method can effectively improve the intelligibility of whispered speech which is contaminated by noise. Compared with the power subtract algorithm and the log-MMSE algorithm, both of which do not improve the intelligibility in lower signal-to-noise ratio （SNR） environments, the proposed method has good performance in improving the intelligibility of noisy whisper. Additionally, the intelligibility of the enhanced whispered speech using the proposed method also outperforms that of the corresponding unprocessed noisy whispered speech.
文摘Liao songs are the cultural and artistic products brewed by the people of Zhuang ethnic minority for thousand years. In this paper, the style and characteristics of singing Zhuang ethnic minority＇s Liao songs with male＇s two-part voice in Guangxi are mainly introduced through an analysis of vocal music and the study on the performance forms, singing language characteristics, and vocal music and resonance is mainly included, and also the important significance of singing Zhuang ethnic minority＇s Liao songs with male＇s two-part voice is discussed. Also, it is compared with the modern Chinese folk singing styles.
