程序同Windows自带录音机功能差不多；可以进行录音，存储wav文件；亮点在于该程序可以通过麦克风采集周围环境噪声，并实时计算噪声出噪声分贝值-The program comes with Windows almost recorder function recording, storage wav file bright spot is that the program can be collected through a microphone ambient noise, and re