The Concept Of Narrow Sound Channel Using Binary Time Frequency Masking For Speech Recognition Of Intelligent Service Robots

被引：0
|
作者：
Jang, Hyukjoon [1 ]
Song, Jaiyoun [1 ]
Jeong, Hong [2 ]
机构：
[1] POSTECH, Dept Info Technol, Pohang, Kyungbuk, South Korea
[2] POSTECH, Dept EEE, Pohang, Kyungbuk, South Korea
来源：
11TH INTERNATIONAL CONFERENCE ON ADVANCED COMMUNICATION TECHNOLOGY, VOLS I-III, PROCEEDINGS,: UBIQUITOUS ICT CONVERGENCE MAKES LIFE BETTER! | 2009年
关键词：
Degenerate Unmixing Estimation Technique; Narrow Sound Channel;
D O I：
暂无
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
In this paper, we propose a speech recognition system with a narrow sound channel for intelligent service robots in noisy environments. The narrow sound channel is obtained by using time delay between two array microphone inputs used in the Degenerate Unmixing Estimation Technique (DUET). In the proposed system, the voice from a specific direction only passes through the sound channel, while unwanted voices from any other direction are removed. The recognition results showed that the performance of the proposed system, using a stereo microphone is higher than the normal voice recognizer, using a single ultra directional microphone, without this method.
引用
收藏
页码：1325 / +
页数：2
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