基于FPGA的音频总线解码模块设计及在示波器中的应用

Design of Audio Bus DecodingModel Based on FPGA and its Application in Oscilloscope

该文提出了一种基于FPGA的音频总线解码模块设计方法,通过在示波器中的应用,实现了音频总线的解码及触发,验证了此方法的可行性。文章首先介绍了音频总线解码模块的基本原理及流程,并讨论了与传统的软件解码相比的优势,然后介绍了音频总线解码模块设计方法在示波器中的应用。最后展示了该方法在示波器中的实际解码效果。该方法改进了音频总线传统的软件解码耗时长,实时性差的缺点,提高了示波器中音频总线的解码效率。

A design method of audio bus decoding model based on FPGA was presented in this paper.By applying in oscilloscope,we realizes the trigger and decoding of audio bus,and validats the feasibility of this method.First,it introduces the basic theory and the procedure of audio bus,and it discusses the superiority compared with the traditional decoding by software.Then it introduces the application of this method in oscilloscope.It shows the actual effect of this method used in oscilloscope.This method improves the weakness of decoding by software,such as time-consuming,inefficient and bad real-time.So,it improves decoding efficiency of audio bus in oscilloscope.