完整的Avstream usb Audio driver.包括speaker 和microphone 的驱动.可以上传64kbps PCM的话筒数据和下传128Kbps PCM的语音数据.并包括Avstream驱动的inf文件.,full avstream usb audio driver. include speaker and microphone driver.

键盘过滤驱动,STRL键转成CAP键,是学习WINDOWS过滤驱动的好例子-Keyboard filter driver, STRL key into CAP key is to learn driving WINDOWS filter a good example of

用Delphi实现的通用摄像头驱动程序，可以自定义设置摄像头的参数。-Delphi to achieve universal camera driver, you can custom set of camera parameters.