One of the most popular pieces of peripheral computer equipment today is a multimedia projector. You can use a multimedia projector for a multitude of tasks such as presentations at conferences, presentations, conference room, video projection on a wall of his house to watch movies, and more. There are several types of multimedia projectors on the market today. The main problem is that you must purchase a projector? There are many brands and four major types of multimedia projectors.
Multimedia projector and type
There are many brands of multimedia projectors to choose: Panasonic, Optima, Epson NEC, InFocus, and many more to choose from. Multimedia Types Projector include:
- Digital Light Processing (DLP) are deeper and more black on laptop
- Liquid Crystal Display (LCD) for best color
- TFT (Thin Film Transistor) Active Matrix: a type of LCD
- Home Theater HDTV: 480i, 516i, 540p, 720p, 180i, 1080p, 1080i, 1125i (interlaced video i = p = progressive scan)
The important consideration is the projector lens and multimedia applications in the home or business to help you choose the features you need. Features to account are:
- Image Brightness: 130 lumens to 6500 lumens range
- Desired viewing area 5 to 6 feet: 500 to 1000 lumens
- Area desired display 8 to 10 feet: from 1000 to 1500 lumens
- Viewing Area desired 12 to 25 feet 2000 or more lumens
- Wireless: remote operation of equipment
- Digital Zoom: large screening room
- Keystone Correction Projectors offset position is not perpendicular to the screen
- Slim Size: Business portability
- Projector: requirements for permanent installations, the ceiling or wall
- Bulbs: typical UHP, UHE, halide lamps, 1000 at 4000 hours, has selected long-lived
- Business Use: video clips, animations, photos
- Home Theater: LCD, HDTV, high resolution high contrast, brightness of 1000 lumens to 2000
The resolution is the number of pixels the projector can display. Projectors with a higher resolution, better image quality of the projector, because there are more pixels per square inch. A projector with a lower resolution will grainy image because there are fewer pixels per square inch. Resolution comes in a variety of choice, his choice of resolution is based on the use projector.
For PowerPoint presentations only power base, you can use a low resolution projector. If you use lots of color and video, you need a projector with high resolution. Resolution varies from projector 854 x 480 1280 x 1024.
The contrast is the ratio between lightest and darkest areas of an image. You want to select a multimedia projector with a 400:1 contrast ratio or better. Contrast is 350:1 to 6500:1.
Buying a Multimedia Projector
Once you have narrowed your choices Multimedia Projector (s) visit your local store and check its features:
- Projector Controls: ease of use
- Remote Control distance: ease of use
- Bulb: bulbs long life are expensive
- Connections: The cables PC or Mac, DVD player, cable box, satellite box
- The mounting bracket if required for a permanent
- Wireless: compatible with your computer
- Operation: vendor demonstrate the usefulness and quality of projection see eg
- The sound is fan loud
- Size: Size is important when it comes to portability
- Weight: permanent facilities are not really concerned, heavier models are not suitable for portable applications
- Coverage: provides protection when dragging through airports, etc.
- Rates: from under $ 630 to $ 17,000 and over
Resolution and contrast
Considerations and Features.
