EBF网络特征映射和恢复及其在鲁棒话者识别中的应用

The performance of speaker verification systems is often compromised under real-world environments. For example, variations in handset characteristics could cause severe performance degradation. This paper presents a novel method to overcome this problem by using a non-linear handset mapper. Under this method, a mapper is constructed by training an elliptical basis function network using distorted speech features as inputs and the corresponding clean features as the desired outputs. During feature recuperation, clean features are recovered by feeding the distorted features to the feature mapper. The recovered features are then presented to a speaker model as if they were derived from clean speech. Experimental evaluations based on 258 speakers of the TIMIT and NTIMIT corpuses suggest that the feature mappers improve the verification performance remarkably.     

浅析教育学院学报如何办出特色

教育学院学报如何能办出特色?一、要探讨教育学院的办学规律;二、围绕教育学院的办学规律加强选题策划和栏目设计;三、学报编辑要强化特色意识.     

直线感应电动机次级导体材料对运行特性的影响

本简要介绍了直线感应电动机的基本结构与工作原理，对直线感应电动机次级材料和厚度等对机械特性的影响作出分析，并对如何提高直线电机驱动移门机械特性提出措施和理论依据。     

当代制度发展的特征研究

第二次世界大战结束之后，人类社会的发展出现了很大的变化。与上述发展变化相伴随的，是制度的改革与创新，在这一过程中，制度的发展呈现出一系列的明显特征，其中比较重要的是制度发展的人性化、民主化、法律化和全球化。     

寻找金钥匙——“十七年”长篇小说教学谈

对“十七年”的长篇小说的教学和研究 ,首先 ,要抓住共性 ,宏观把握。从其基本特征———史诗性入手 ,深入研究其背景的广阔性和主题的深刻性。其次是寻找个性 ,有分析的进行阅读 ,从而发现其个性特质和闪光点。再次 ,要标新立异 ,以现代人眼光重新关照十七年的长篇小说 ,使“老树”开出新花     

论中国共产党对我国经济发展战略的认识与转换

50年来，中国共产党在经济发展战略上经历了四个发展阶段，党对经济发展战略的认识不断深化，经济发展目标由强国转向富民；经济发展观由经济现代化到人的全面发展；经济发展动力观由“抓革命促生产”到改革开放；经济发展方式由量的扩张到质的提高。总结其得失，给我们提供了许多宝贵的经验。     

水稻胚乳细胞发育与结实特性

文章对水稻胚乳细胞发育过程、淀粉体和蛋白体结构特征与结实特性、养分输入胚乳细胞的途径、ATPase活性分布与水稻充实的关系、水稻强弱势粒胚乳细胞发育与其结实特性进行分析.提出进一步研究胚乳细胞发育及其超微结构与籽粒生理活性的关系,可从深入开展亚显微水平下强弱势粒背部维管束结构、ATPase的活性分布、差异表达基因对结实特性的影响等方面展开研究.     

严万里《商君书校》校勘特色平议

<商君书校>一书,以其校勘的精审、方法的缜密见长.著者淹博通贯,小学根底扎实,且熟谙于朴学家校治古书之法,因而在校勘的实践中应付裕如,左右逢源.在校勘上搜罗宏富,征引广博,在指出诸本文字差异的同时,抉择按断,兼下己意.不盲从古本或善本,敢于大胆发疑,刊改漏失,补苴未备,提出了若干具有创造性的新见解.校勘文字,大胆审慎,...     

Subdivision surface modeling system based on arbitrary topological curves network and combined subdivision

Arbitrary topological curve network has no restriction in topology structure,so it has more powerful representing ability in defining complex surfaces.A complex surface modeling system is presented based on arbitrary topological curve network and the improved combined subdivision method,its functions including creating and editing curve network,and generating and modifying curve network's interpolated surface.This modeling system can be used to the process of products'concept design,and its applications is ...     

Extraction of novel features for emotion recognition

Hilbert-Huang transform method has been widely utilized from its inception because of the superiority in varieties of areas. The Hilbert spectrum thus obtained is able to reflect the distribution of the signal energy in a number of scales accurately. In this paper, a novel feature called ECC is proposed via feature extraction of the Hilbert energy spectrum which describes the distribution of the instantaneous energy. The experimental results conspicuously demonstrate that ECC outperforms the traditional short-term average energy. Combination of the ECC with mel frequency cepstral coefficients (MFCC) delineates the distribution of energy in the time domain and frequency domain, and the features of this group achieve a better recognition effect compared with the feature combination of the short-term average energy, pitch and MFCC. Afterwards, further improvements of ECC are developed. TECC is gained by combining ECC with the teager energy operator, and EFCC is obtained by introducing the instantaneous frequency to the energy. In the experiments, seven status of emotion are selected to be recognized and the highest recognition rate 83.57% is achieved within the classification accuracy of boredom reaching 100%. The numerical results indicate that the proposed features ECC, TECC and EFCC can improve the performance of speech emotion recognition substantially.