一种数字语音录放系统的SOPC实现  

SOPC Realization of Digital Voice Recording and Playing System

作　　者：梁科[1] 李国峰[1] 董海坤[1] 邵巍[1] 高平[1] 秦世才[1] 

机构地区：[1]南开大学信息技术科学学院,天津300071

出　　处：《电声技术》2008年第2期17-19,22,共4页Audio Engineering

基　　金：天津市重点科技攻关项目(06YFGZGX03600)

摘　　要：实现了一种数字音频录放系统,系统基于SOPC技术,将微处理器和多种控制接口模块集成在一片FPGA内部,具有传输效率高,灵活性好的优点。提出了语音录放系统的SOPC架构,介绍了硬件结构和驱动程序的设计方法,最后给出了系统仿真和验证结果。A digital voice recording and playing system based on SOPC（System On Programmable Chip） technique is realized by integrating microprocessor and several modules into an FPGA chip. It has the advantage of high data transfer rate and good flexibility. SOPC architecture of the voice recording and playing system is presented. The design method of hardware structure and software driver is introduced. System simulation and verification results are also given.

关 键 词：SOPC 共享总线 DMA控制器 AC97总线 双缓冲 

分 类 号：TN912[电子电信—通信与信息系统]