Virtual Instrument Collection phonocardiogram source code, is based on the computer sound card, which determined the sound signal and spectrum analysis.
心音采集的虚拟仪器源代码，是基于计算机声卡的，里面有心音信号和频谱分析等。
Studies the techniques of signal generating and sampling based on the general sound card which solve the problem of generating the stimulant signal and sampling the experiment data.
研究了信号产生与采集技术，基于通用的声卡，解决了实验系统激励信号的产生和实验数据采集及处理的难题。
The new product has a pair of small loudspeakers fitted inside, which you can easily _hook up to _ your computer's sound card.
新产品有一对内置的扬声器，并可以很容易接上电脑的声卡。
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