What are MP3 Files
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With the advent of the MP3 format, we can store hundreds of songs in our computer or download them from the Web. But what exactly is MP3 music? To understand how it works, we need to examine compact disc (CD) first. A CD contains a song’s digital information, which is stored in a high-resolution, uncompressed format. An average three-minute song consumes about 32 megabytes of space in a CD. If this file is to be downloaded in a high-speed cable or DSL modem, it would take several minutes to download just one song. Additionally, the amount of data will also consume so much space in our hard drive if we choose to store the song in our computer.
Thus, the data needs to be compressed if we want to conserve hard drive space. This is where the MP3 format, a compression system for music, comes in. MP3 deletes digital data of sounds that the human ear cannot hear and sounds that our auditory system hears better than the others. The result is a digitally compressed, easily downloadable music file that has a sound quality that is almost as good as that of a CD-quality song.
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