The audio card is one of the most basic disposition hardware of multimedia computer, the price is cheap and it is easy to be used.
声卡是多媒体计算机最基本的配置硬件之一，价格便宜，使用方便。
Objective To Research 1 set of heart sound signal processing system based on PC audio card, used for the experimental re- search on heart sound signal.
目的研究一套基于PC机声卡的心音信号采集与处理系统，用于心音信号的实验研究。
Give an implement scheme of digital interface audio card based on DSP, ISP and special digital audio interface chip, which can do full process of audio recording, playing, editing and compressing.
提出一种基于DSP、ISP及专用数字音频接口芯片的数字接口音频卡的实现方案，可以完成音频信号录播、编辑、压缩过程的全数字化处理。
The significance for this paper is to realize digitized modulation and demodulation by means of the software. It is based on the audio-card of PC.
本文的意义在于采用软件方法实现了数字化调制与解调，它是基于PC机声卡来完成的。
In this paper, according to the thinking of software radio, a PSK soft-modulation and soft-demodulation system based on audio-card and DSP is studied and implemented.
本文基于软件无线电的思想，研究并实现了以 多媒体计算机声卡和DSP为基本 硬件平台的PSK信号的软件调制解调。
The research method is using VC programming to realize the modulation and demodulation of the signal by audio-card.
本文研究的方法是通过VC编程实现用声卡对信号的调制解调。
The research method is using VC programming to realize the modulation and demodulation of the signal by audio-card.
本文研究的方法是通过VC编程实现用声卡对信号的调制解调。
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