摘要： 介绍了一种基于USB2.0接口芯片ISP1581，并采用FPGA芯片EP1C3T144实现麦克风阵列语音数据采集的方法，讨论了如何获得同步、实时、信噪比高的语音数据以及USB2.0传输控制方面的问题。该方法具有接口简单、使用方便、扩展性好等特点。
关键词:
麦克风阵列,
USB2.0,
等时传输模式
Abstract: This paper describes a method to acquire microphone array speech data using FPGA and based on USB2.0 device interface, and how to acquire synchronous real-time and high SNR speech data, and USB2.0 transfer control. The method has merit in that it is easy to use and has simple interface and good expansibility.
Key words:
Microphone array,
USB2.0,
Isochronous mode
施 剑;何成林;杜利民. 基于USB2.0的麦克风阵列语音数据采集系统设计[J]. 计算机工程, 2006, 32(24): 216-218.
SHI Jian; HE Chenglin; DU Limin. Design of USB2.0-based Microphone Array Speech Data Acquisition System[J]. Computer Engineering, 2006, 32(24): 216-218.