利用ＰＣ并行口打造电脑音源切换器 这个制作对于普通的DIYer来说是有一定难度的，但是对于掌握电脑硬件和电子制作的DIYer来说还是很容易完成的．电路原理十分简单，利用Ｃ编程-PC parallel port using a computer to create sources of noise switching device for the production of ordinary DIYer is a certain difficult, but mastering compute

音频流输入输出开发工具包 帮助硬件和软件制造商能够硬件和驱动软件，扩展了个人电脑的音频连通性，满足客户的期望（音乐家和音频工程师）。-Audio Streaming Input Output Development Kit With the Steinberg Audio Stream I/O (ASIO) Steinberg wants to help hardware and software manufacturers to create hardware and dri