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Audio Visual Since its development, audio visual has become something extremely important that it is now a necessity rather than a luxury. In order for the common man to stay sophisticated in the world, he/she must have some device of audio visual to gain knowledge of the world around him/her. With the era becoming completely digitally controlled and information being transferred before the blink of an eye, it is no longer a luxury to have an audio visual device. News from around the world are able to be heard in an instant and if something major happens half way around the world, if one has an audio visual device, they will immediately know about it. However, although audiovisual devices are great units to use to stay sophisticated and to stay connected with everyone around the world, it is extremely arduous to keep up with the digital world. Everyday, there is an advancement in technology taking place and every year, audio visual dev