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Application of Utterance Partition Based on Time Interval in GMM-SVM Speaker Verification
Author(s): 
Pages: 18-19
Year: Issue:  3
Journal: Electronic Technology

Abstract: 在说话人确认系统的实际应用中,让用户提供大量的训练语音是不现实的,所以在GMM-SVM系统中,正样本点数通常只有一个,而负样本点数远远多于正样本点数,造成SVM分类超平面严重偏向负样本,这种情况对于支持向量机的性能影响很大.针对此问题,提出了基于时间间隔对语音数据进行分段的方法,来增多正样本点数,得到更好的分类超平而.美国国家标准与技术研究所(NIST)2002年说话人识别数据库上的实验证明,语音...
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