文章介绍了一种基于USB2.0总线的通用数字信号处理系统的设计方法。针对AD高速采集所产生的大量数据与计算机进行实时高速传输技术,以及进行相应的数字信号处理等关键过程进行阐述。重点分析了通用数字信号处理系统的软件设计实现方法,以及在Visual C++编程环境下编写USB设备驱动和应用程序的设计思路,并给出关键部分C++程序代码。 This article introduces a USB2.0 bus-based digital signal processing system for the design of general. Aiming at the large amount of data generated by AD high-speed acquisition and computer real-time high-speed transmission technology, as well as the corresponding digital signal processing and other key processes are described. This paper focuses on the software design and implementation of general digital signal processing system and the design idea of ​​writing USB device drivers and applications under the Visual C ++ programming environment. The key part of C ++ code is given.