近几年来,视频产品进步神速,广泛应用于电脑多媒体领域的LCD、DLP等新型投影机逐渐成为消费主流,与传统的三枪投影机相比,LCD及DLP等单枪投影机以其体积小巧,调试简单,价格廉宜的优势,轻而易举地占据了业务用市场的大部分份额。但在家庭影院领域,对于日渐普及的DVD节目源以及HDTV等高质量视频节目而言,LCD In recent years, video products have made rapid progress, and new projectors such as LCDs and DLPs, which are widely used in computer multimedia, have gradually become the mainstream of consumer spending. Compared with the traditional three-shot projector, single-projector such as LCD and DLP are more compact , Commissioning simple, cheap advantage, easily occupy the majority of the market share of the business. However, in the field of home theater, for the growing popularity of DVD sources and HDTV and other high-quality video programs, the LCD