投影机的接口

The Interfaces of Projectors

一般用户使用投影机，其实就是对输入输出接口的操作。投影机的接口按照用途可以分成音频接口、视频接口、控制接口和综合接口四种。USB连线投影，无线网络投影等是当前的热门技术。投影机的接口发展呈现出数字化、高速化、集成化、轻便化等特征。

As for ordinary users， to use a projector is just to operate on the input and output interfaces of the machine. According to the usage， the interfaces of projectors can be classified into four groups: audio interfaces， video interfaces， control interfaces and integrated interfaces. The interfaces of projectors now are characterized by being digital， high-speed， integrated and smart.