Multimedia Conference Room Selection Of Display Devices - Projectors - Education Industry

Large screen display system is a receiving and processing a variety of information display

, multi-class personnel to operate the control in one of the multimedia interactive system involving sound and light aspects Technology Problem also involves coordination of relevant departments of management, but also closely related to the overall structure of the display hall, during the time of purchase must be demand-driven equipment, the main consideration and the use of comprehensive integrated technology to make the desired effect.

Usually multimedia conference room, video display system is to meet needs during the meeting of interspersed images, data or text, etc. displayed visually to the participants to take care of the audience, the equipment used mainly Projector , Tiled display wall, in addition to the screen and controllers involved in other products, the user equipment during the time of purchase of equipment to do different on the different analysis.

Projector Many indicators projector, can display performance, reliability and maintainability compared three options. Display properties include brightness, resolution and contrast. The brightness of the projector up from the hundreds of thousands of ANSI lumens. Before actually watch the screen brightness and projection distance, the screen brightness and the environment are related to, this comprehensive selection according to the situation in the large screen display system, in conjunction with the size of the space and the use of the environment to select the lumens brightness level of the appropriate product.

Reliability usually MTTF (mean time between failures) that, of course, the longer the better. However, almost all of the products are weak, the weakest link in the projector is to provide Light source Light, because in the important task of central management or the application process, even a short screen can not show, is not acceptable. In accordance with the barrel theory, lamp life is the impact of important factors projector MTTF, generally thousands of hours of class. Maintainability usually MTTR (fault repair time) that in order to reduce troubleshooting time, high-end projector lamp unit with separate components or dual-lamp backup, replacement without moving the projector, do not require geometric correction in order to enhance the replacement of speed.

In addition, multimedia conference room, according to the different installation methods, there are projectors and rear projection of a positive vote in points, each is important in the purchase, the purchase should pay special attention.

Light is cast through the show hall, the information projected onto the screen. Orthographic projection of light through a range of methods to increase access to larger orthographic projection format, suitable for single-screen single screen size while the larger occasion demands, thereby reducing the equipment, lower costs, but, orthographic projection of objects on the display hall, a high degree of is limited, and light intensity projection distance with the extension of decay, reduce the brightness of the screen, used two projectors superimposed or decrease the brightness of room lighting, to improve Projection display The relative brightness.

Projection generally used for short range environment, to improve the projection display of the format, can be used wide-angle Shot Or projector stitching program. The performance of the lens and the screen is usually wide range of the ratio that its selection from 0.88:1 to 7:1, only a short range wide-angle lens can be for a larger display format. However, with the use of multiple projectors splicing compared, in order to achieve the same brightness, requires wide-angle lens of the projector light source power is larger, but the bigger the screen the more obvious effects of the sun. Therefore, the larger screen for single frame images, tend to use mosaic structure. Splicing projector fixed to the rack behind the scenes special, controller, source machine, the information received and the format conversion device, located at both ends or the first floor behind the projector's frame, the order does not affect the normal conditions for projection display conduct maintenance operations.

by: gaga

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