博文

目前显示的是 十月, 2018的博文

How to choose the right projection screen?

Projection screens are tools used to display images and video files in movies, offices, home theaters, and large conferences. The projection screens on the market are different in color and variety. It is very important to choose a projection screen suitable for your needs. Now let’s share how to choose the right projection screen. Size and ratio The size of the projection screen is important, such as “4:3 ratio, 120 inches” is a screen size specification, mainly for video and PC images. At present, the video screens of 4:3, 16:9 (mainly suitable for HDTV HDTV images) are most commonly used, and users can select which proportion of screens to use according to the display ratio of their own machines. However, most home users choose a 16:9 ratio for watching HDTV. Screen category The screen categories are electric, tripod, picture frame, and folding. The electric type is mainly used in places such as school teaching, and it is fixed on the wall, and the power supp