Multimedia projectors

Multimedia projectors (video projectors) are modern means of displaying video information. Multimedia projectors can be connected to a variety of information sources (computers, players, document cameras, video cameras, etc.) and display images on the screen, interactive whiteboard, etc.

Advantages:

High quality image transmission
Capability to stitch the image which is especially important for concert halls and non-standard installations
Wide range of models, opportunity to choose the projector according to the budget and functionality

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multimedia projector

Types of video projectors

Professional Multimedia Projectors

Powerful high-brightness video projectors that are usually installed permanently.

Purpose:

For cinema-concert and assembly halls, exhibition halls, hotel lobbies and large companies, organization of multimedia shows in concert and sports venues

Distinguishing features:

One of the most important features of professional multimedia projectors is high brightness
The ability to change lenses (lenses) for better projection onto different screens from different distances
Many professional video projectors have multiple lamps, which ensures smooth operation even if one lamp fails

Multimedia projectors for business and education

Professional multimedia projectors for small to medium-sized auditoriums, conference and meeting rooms, cafes and restaurants. Compact and functional, they offer a wide range of resolutions, lenses and color schemes.
Retaining almost all the functionality of professional multimedia projectors, they are relatively small in size and can be easily transported and installed in different rooms if necessary. They are bright enough and can operate with the lights on.

Video projectors for home theaters

Usually the distances you need to project an image in the case of home theater are short, so you need a clear image to watch movies at home, but high brightness is not that important.

Features:
Focused on playing dynamic video content (movies, games);
low noise level (even lower than the business models);
wide range of zoom settings (the distance from which the image is projected).
Video projectors for home cinema are in the medium and high price ranges.

The main characteristics of LED screens

In our time have settled the basic terms that will help in general to understand the device LED screen and decide on his choice.

Pixel (Pixel).

Is the main part of the formovoobrazuyuschego LED screen. Depending on the design, it includes one or more LEDs (the most common pixel consisting of three LEDs, red-green-blue (RGB)).

LED screens for sports

Large information boards in stadiums
LED panels, acting as a "running line" or displaying ads on the side of the field
Information screens installed inside the premises of sports complexes

LED stage screens

LED screens take on the role of stage decorations

These screens can be less bright than outdoor screens, which means you can save on power consumption and increase their life. In addition, you do not need a very frequent pixel pitch, as the audience is far enough away from the screen, which also allows you to win in the cost of the LED screen itself.

HD LED screens

LED screens with high resolution and small pixel pitch (1 to 3 mm)
"Seamless" connection of LED modules (screen modules are connected butt to butt)
For demanding applications: monitoring and situation centers, TV studios, etc.

LED screens for indoor advertising

Advertising signs and video walls in banks and shopping centers, dynamic advertising inside storefronts
Various "running lines" and digital signs and boards

Compared to traditional banners and billboards, this way of advertising is more visible to visitors and more effective.

Custom original LED screens

The principle of LED screens allows you to create custom configurations that are used both in advertising and in the media and show business. Examples of such screens are:

LED floor and ceiling (original solution for clubs and discos)
transparent LED screens (different video images can be displayed on top of glass cafes and restaurants)
A flexible spherical LED screen (creates a kind of video ball - a great visual element of a variety of installations and a striking image in an advertising campaign)

Choice of LED screen

Basic parameters:

Screen Format

The format of the LED screen must match the common format of computer and video programs: 4:3 or 16:9. Otherwise, it may be difficult to display the desired content. So the format 4:3 will correspond to such screen sizes as 4x3 m, 6x4 m, 8x6 m, etc., and 16:9 format - 3x1,68 m, 4x2,25 m, etc.

Viewing distance

The distance from which the LED screen will give the best image quality for the observer

In selecting the optimal distance guided by the following rule: the shortest distance to the screen, in meters, should be approximately equal to the pixel pitch (in mm). So for a screen with a pixel pitch of 10 mm, the observer should be located no closer than 10 m. The longest distance to the screen can be determined by the formula: screen width x 6

Control system

Sending Cards and Receiving Cards that are part of the screen are responsible for transmitting information to the screen. Special software is installed on the control computer. The screen can also be controlled remotely via a network, but a sufficiently good bandwidth is required for this

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