Noise robust hands-free speech recognition using microphone array and Kalman filter as front-end system of conversational TV

被引：0

作者：

Fujimoto, M ^{[1
]}

Ariki, Y ^{[1
]}

机构：

[1] Ryukoku Univ, Dept Elect & Informat, Otsu, Shiga 5202194, Japan

来源：

PROCEEDINGS OF THE 2002 IEEE WORKSHOP ON MULTIMEDIA SIGNAL PROCESSING | 2002年

关键词：

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, we investigate hands-free speech recognition as front-end system of conversational TV. The conversational TV is one of machine conversation systems to retrieve the interesting information by inquiring it to the TV. To realize the natural machine conversation without consciousness of microphone, hands-free speech recognition is required. In the hands-free speech recognition system, the directions of the arriving signal are estimated by using a microphone array and the desired signal is enhanced by beam forming. Then, the user utterance section is detected automatically from continuously observed signal. Furthermore, by applying the noise reduction and noise adaptation, the enhanced speech signal is recognized accurately.

引用

页码：268 / 271

页数：4

共 38 条

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