数年来,我们一直努力推动大画面家庭影院的普及,从近期的市场反映来看,还是卓有成效的。各大品牌最新投影机产品纷纷在国内上市,受到了市场的热宠,也给影音爱好者提供了十分多样的选择,这在前几年是不可想象的。然而,大画面投影的一个重要组成部分——投影幕却十分容易被忽视,甚至被认为可有可无,于是厂家演示时采用4∶3的专业幕,而消费者用白墙来投影等不正确的投影方式 Over the years, we have been working hard to promote the popularization of large-screen home theater, reflecting the recent market, or fruitful. The latest projector brands of major brands have been listed in the domestic market by the hot pet, but also to provide a very diverse selection of audio-visual enthusiasts, which in a few years ago is unthinkable. However, an important part of large-screen projection - the projection screen is very easy to be overlooked or even considered dispensable, so manufacturers use professional screen when the 4: 3, while consumers use white walls to project, etc. Correct way of projection