A confidence based tree structured decoder for private automatic branch exchange

被引：0

作者：

Liu, J ^{[1
]}

Zhu, X ^{[1
]}

Xu, B ^{[1
]}

机构：

[1] Tsing Hua Univ, Dept Elect Engn, Natl Lab Patter Recognit, Beijing 100084, Peoples R China

来源：

2000 5TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING PROCEEDINGS, VOLS I-III | 2000年

关键词：

confidence measures; speech verification; keyword detection; speech recognition;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

High performance voice controlled Private Automatic Branch Exchange (PABX) is a difficult task to achieve, especially when users are not required to follow a rigid speaking format. By-incorporating hierarchical confidence measures into a tree structured PABX decoder, the keyword accuracy is increased from 89.86% to; 92.63%. Further improvement is made by a confidence measure based postprocessor, which rejects 5.68% of all testing utterances and improves the accuracy to 97.18%.

引用

页码：772 / 775

页数：4

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