THE MICROPHONE ARRAY SPEECH ENHANCEMENT SYSTEM DESIGNE BASE ON DS BEAMFORMER AND AT89C52 SINGLECHIP

被引：0
|
作者：
Liao, Feng-Chai [1 ]
Chen, Su-Xia [1 ]
机构：
[1] Sanming Univ, Dept Math & Comp Sci, Sanming 365004, Peoples R China
来源：
2012 INTERNATIONAL CONFERENCE ON WAVELET ACTIVE MEDIA TECHNOLOGY AND INFORMATION PROCESSING (LCWAMTIP) | 2012年
关键词：
Microphone Array; Delay-And-Sum Beamforming; AT89C52; Singlechip; Digital-To-Analog Converter; Analog-To-Digital Converter;
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：
Based on the principle of delay-and-sum beamformer, a four channel speech enhancement design scheme was proposed. Here the principle of designed hardware and software was introduced. Hardware design includes singlechip, digital-to-analog and analog-to-digital converter, electrocircuit connect and so on. In design software run in real time is a very important problem. In order to solve the problem, the method combined software and hardware is adopted. Ring buffer technology is used too. Experiment result show the proposed scheme is effective.
引用
收藏
页码：207 / 211
页数：5
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