在广播电台数字化和网络化发展的进程中,播出系统的自动化是发展的必然结果,它采用了由计算机记录节目信号,并通过网络进行传输的播出方式。在此录制和播出系统中,声卡是最普遍、使用频率最高的设备,它的性能直接影响到节目播出信号的质量。但是由于它通常都内置于计算机中,而 In the process of digitization and network development of broadcasting stations, the automation of the broadcasting system is an inevitable result of the development. It adopts the broadcasting method of recording the program signals by the computer and transmitting through the network. In this recording and broadcasting system, the sound card is the most common, the most frequently used equipment, its performance directly affects the quality of the program broadcast signal. However, since it is usually built into the computer,