Audio-video office equipment or AV office equipment is essential for those who are into the multimedia presentation and those whose office functions revolve around audio and visual presentations. The AV office equipment includes the following:
Computer projector: This device is an electronic system that creates images through a video projector or a computer monitor, visible to many people. They usually use liquid crystal displays (LCDs) and high-intensity light bulbs and lenses to create very clear and vivid images on any surface, even big.
Document camera: The document camera allows one to show documents that cannot normally be read using Microsoft PowerPoint or Adobe Acrobat Reader because of their size or low resolution. It has a stand where you place the book map, etc., and it projects images onto a screen visible to everyone in the room.
TV monitor — This electronic device is used for broadcasting television images normally through cable TV, satellite, or over-the-air transmissions. Some are also used for computer display purposes. The LCD TVs have low power consumption and wide viewing angles, while plasma TVs have greater contrast ratios but consume much higher electricity.
Computer projector accessories
A computer projector requires certain accessories to perform well when projecting images to your target audience. These include the following:
Computer tripod: Portable tripods are usually lightweight yet sturdy enough to hold small projectors firmly together with other components such as the mouse, keyboard, etc. It must be adjustable so you may be able to place the projector at any height you want, depending on your requirements.
Power strip: This is used to power up all of your AV office equipment so that everything can work properly, even during blackouts or electrical surges. It must have a surge protector with an indicator light to show when it has been struck by a sudden change in electricity or voltage. The best choice would be those with an automatic switch-off circuit breaker and those made from heavy-duty materials such as steel instead of plastic.
Computer extension cables are necessary for maneuvering the projector’s position comfortably without going back and forth from where it is placed. It would help if you had a standard VGA or DVI cable for inputting images directly from a laptop. In contrast, a standard S-video cable is used for inputting images from DVD players or camcorders. You can also use the 3 RCA component cable to connect your projector to an HDTV monitor so you can view high-definition signals on its screen.
Computer speakers — These come in two main types: powered and unpowered. The former means that they are equipped with built-in amplifiers, while the latter means that they need external power to function correctly. They must be placed at least 6 feet apart so there will be no distortion when playing music or sound, exceptionally when very low. If you want true surround sound, it would be best to use five individual speakers instead of a single speaker system.
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