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Word Count: 1,285
As we are approaching the 21st century communications is becoming a vital key in business and home computing As a result we are constantly inventing new ways in order to make communications easier for the user to access in our daily lives Therefore the information superhighway has sparred awareness in home technology or lack of home technology The abbreviation MP3 stands for MPEG Moving Picture Experts Group layer 3 which is a standard format for storing compressed music An MP3 file is an audio file that has been compressed anywhere from 15th to 117th of its original size without any noticeable loss in sound quality That means a great sounding file in a package small enough that it can be downloaded andor stored on your PC MP3 files can be identified by their file extension mp3 The basic idea is that music digitized at CD quality has information that can be suppressed with little or no quality loss as perceived by most people Thanks to this and some mathematics it is possible to compress a digitized track to about 8 percent of its original size or a compression ratio of 121 This means that while a regular music CD can contain about one hour of music 74 minutes actually a similar CD used to store mp3 files can contain almost 12 hours of music MP3 is used particularly for music distribution over the Internet but is also used for other purposes such as real-time digital audio transmissions over ISDN used by reporters How is it possible to do this you ask Well I wont get into the technical details but basically the MP3 encoder removes the parts of the sound not audible to the human ear This means that MP3 is a loss type of compression comparable to JPEG in the graphics area This means that what comes out from your CD or Wave file is NOT the same thing that comes out of
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