One of the hottest pieces of computer peripherals, today is a multimedia projector. You can view a multimedia projector for a variety of tasks, such as: presentations at conferences, board room presentations, video projection on a wall in your home movies and much more. There are several types of multimedia projectors on the market today. The main issue is that you should buy the projector? There are many brands and four types of multimedia --Projectors.
Multimedia projector brands and types
There are many brands of multimedia projectors to choose from: Panasonic, Optima, Epson, NEC, Infocus, and many more to choose from. Multimedia projector types include:
Digital Light Processing (DLP) has deeper black background and more portable
Liquid Crystal Display (LCD): better for color
TFT (Thin Film Transistor) Active Matrix: a type of LCD --
Home Theater HDTV: 480i, 516i, 540p,720p, 180i, 1080p, 1080i, 1125i (i = interlaced video, and p = progressive scan)
The most important considerations is the goal of the multimedia projector and applications in home or business that will help you select the features you need. To take into account features:
Brightness: 130 lumen range up to 6500 lumens
Desired Display Area 5 to 6 meters: 500 to 1000 lumens
Desired Display Area 8 to 10 meters: 1000 to 1500 lumens
Desired Display Area 12 to25 feet: 2000 lumens or more
Wireless: remote operation of computer
Digital Zoom: large room for projections
Keystone correction is not like projectors position perpendicular to the screen
Slim Size: Business portability
Projector Mount: necessary for permanent installations, ceiling or wall
Lamps: typical UHP, UHE, Halide Lamp, 1000 to 4000 hours, chose a long life
Business Use: video clips, animations, photos
Home Theater: LCD TV, HDTV, high resolution, high contrast, brightness from 1000 to 2000Lumen
The resolution is the number of pixels that the projector is the representation of the situation. Projectors with higher resolution, better quality projector screen, because there are more pixels per square centimeter. A projector with a lower resolution will have a grainy picture, because there are fewer dots per square inch. Resolution comes in a variety of choices, your choice of resolution is based on your use of the projector.
Only for basic Power Point presentations, you cana low-resolution projector. If you use lots of color and video, you need a high-resolution projector. Projector resolution ranges of 854 x 480 to 1280 x 1024
The contrast is the ratio between the brightest and darkest areas of an image. You want to choose a multimedia projector with a contrast ratio 400:1 or better. Contrast ranges from 350:1 to 6500:1.
The purchase of a multimedia projector
Once you have your multimedia projector choice (s narrows), visit your localstore and review their functions:
Projector Control: User-friendliness
Remote Control: User-friendliness
Lamp: long life bulbs are expensive
Connections: Cable for PC or MAC, DVD player, cable box, satellite box
Mounting Bracket: as needed for permanent installation
Wireless: compatible with your computer
Operation are: sales staff to demonstrate and observe such projection quality
Sound: the fan is loud
Size: Size does not matter when it comes to portability
Weight:permanent installations are not really concerned, heavier models are not suitable for portable applications
Carrying Case offers protection while dragging through airports, etc.
Rates: from less than $ 630 to $ 17,000 and more
Resolution and Contrast
Considerations and functions.
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