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A modified HME architecture for text-dependent speaker identification

机译:用于文本相关说话人识别的改进的HmE架构

摘要

A modified hierarchical mixtures of experts (HME) architecture is presented for text-dependent speaker identification. A new gating network is introduced to the original HME architecture for the use of instantaneous and transitional spectral information in text-dependent speaker identification. The statistical model underlying the proposed architecture is presented and learning is treated as a maximum likelihood problem; in particular, an expectation-maximization (EM) algorithm is also proposed for adjusting the parameters of the proposed architecture. An evaluation has been carried out using a database of isolated digit utterances by 10 male speakers. Experimental results demonstrate that the proposed architecture outperforms the original HME architecture in text-dependent speaker identification. © 1996 IEEE.
机译:提出了一种改进的专家混合层次结构(HME),用于与文本相关的说话人识别。一个新的选通网络被引入到原始的HME体系结构中,以便在与文本相关的说话人识别中使用瞬时和过渡频谱信息。提出了所提议架构的基础统计模型,并将学习视为最大似然问题;特别地,还提出了期望最大化(EM)算法来调整所提出的体系结构的参数。已经使用由10位男性说话者孤立的数字话语数据库进行了评估。实验结果表明,在依赖于文本的说话人识别中,提出的架构优于原始的HME架构。 ©1996 IEEE。

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