基于NI的声压数据采集卡，利用labview程序采集15路麦克风信号并保存-The sound pressure based on NI data acquisition card, use 15 mic labview signal acquisition process and save

用声卡进行数据采集，产生一正弦波，计算机通过扬声器把此正弦波用声音的形式发出；用话筒，把声音采集，然后比较这两种信号(Using sound card to collect data and produce a sine wave, the computer sends out the sine wave in the form of sound by means of loudspeaker, and uses microphone to collect the sound, then com

声卡数据采集播放演示源程序vc,可以显示声卡书库的波形,()