... is a device Coding to compress audio files so that they become around one-tenth of the original file size, but without ruining the original sound quality above a perceptual level. It does this by reducing the accuracy of certain parts of the file which are above or below the hearing range of humans so that the file's size reduced but the original sound quality is retained. This reduction makes it easier to download or play files in MP3 format. MP3 files are downloaded from the computer or internet and have to be in a certain format. I use MP3 players to download and listen to songs and other audio files such as podcasts (media files available on the internet) while I am note. Although I can listen to songs on my personal computer or CD player, MP3's are better because many hundreds of songs can be downloaded into it, which ...

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