Intentional Voice Command Detection for Completely Hands-Free Speech Interface in Home Environments

被引：0
|
作者：
Obuchi, Yasunari [1 ]
Togami, Masahito [1 ]
Sumiyoshi, Takashi [1 ]
机构：
[1] Hitachi Ltd, Cent Res Lab, Tokyo, Japan
来源：
INTERSPEECH 2008: 9TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2008, VOLS 1-5 | 2008年
关键词：
IVCD; VAD; speech/non-speech discrimination; GMM; SVM; speech recognition;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
We introduce a new class of speech processing, called Intentional Voice Command Detection (IVCD). It is necessary to reject not only noises but also unintended voices to achieve completely hands-free speech interface. Conventional VAD framework is not sufficient for such purpose, and we discuss how we should define IVCD and how we can realize it. We investigate implementation of IVCD from the viewpoint of feature extraction and classification, and show that the combination of various features and SVM can achieve IVCD accuracy of 93.2% for a large-scale audio database in real home environments.
引用
收藏
页码：119 / 122
页数：4
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