›› 2011, Vol. 24 ›› Issue (4): 72-.

• 论文 • 上一篇    下一篇

基于麦克风阵列声源定位系统的FPGA实现

任勇,胡方明,李自学   

  1. (西安电子科技大学 电子工程学院,陕西 西安 710071)
  • 出版日期:2011-04-15 发布日期:2011-03-31
  • 作者简介:任勇(1986-),男,硕士研究生。研究方向:FPGA设计与应用。胡方明(1964-),男,教授。研究方向:物联网。李自学(1985-),男,硕士研究生。研究方向:FPGA设计与应用。

Realization of the Sound Source Localization System Using FPGA Based on the Microphone Array

 REN Yong, HU Fang-Ming, LI Zi-Xue   

  1. (School of Electronic Engineering,Xidian University,Xian 710071,China)
  • Online:2011-04-15 Published:2011-03-31

摘要:

论述了基于麦克风阵列的声源定位技术的基本原理,给出了利用FPGA实现系统各模块的设计方法。重点介绍了其原理和模块的电路实现,给出的基于FPGA设计实验结果表明,系统最大限度发挥了FPGA的优势、简化了系统设计、缩短了设计周期、符合设计要求。

关键词: 声源定位, 时延估计, FFT, CORDIC

Abstract:

The basic principle of the sound source localization algorithm based on the microphone array is discussed.The design methods for system modules using FPGA are presented.Emphasis is put on the principle and realization of the circuits.Experiment results based on FPGA design shows that the system makes full use of the advantages of FPGA,simplifies the system design,shortens the design period and meets the requirements for design.

Key words: sound source localization;time delay estimation;FFT;CORDIC

中图分类号: 

  • TN912