基于声卡和MATLAB的音频信号的采集和处理  

Collecting and Processing of Audio Signal with MATLAB and Soundcard

作　　者：陈璇[1] 李启海[1] 朱万彬[2] 张继勇 鲁秀娥 

机构地区：[1]长春理工大学,长春130022 [2]中国科学院长春光学精密机械与物理研究所,长春130022 [3]吉林省文化科技研究所,长春130022

出　　处：《长春理工大学学报（自然科学版）》2010年第3期71-74,共4页Journal of Changchun University of Science and Technology(Natural Science Edition)

基　　金：文化部科技创新项目(27_2009)

摘　　要：MATLAB是数据分析和处理功能都非常强大的工程实用软件,可以灵活地驱动声卡采集和处理音频信号。本文探讨了基于声卡和MATLAB的音频信号采集和数据处理方法,并结合古琴音板音频检测的应用实例进一步证明:利用声卡做主要硬件,MATLAB做软件进行音频信号的采集和处理不仅简单可行,而且编程处理方便,可以广泛应用于音频检测等工程领域。MATLAB can drive soundcard to collect and process the audio signal smartly with its huge funotion of data analyzing and processing, The method of collecting and processing of andio signal with soundcard and MATLAB software is discussed in this paper. A case of using audio signal to detect the soundboard of ancient qin is combined to prove that, this method have been widely applicated in the engineering fields for its simpleness and conveniency.

关 键 词：声卡 MATLAB 音频信号采集 频谱分析 

分 类 号：TG501[金属学及工艺—金属切削加工及机床] TG113.244