Typically, when a CD audio recording is made, a large amount of data is digitised. Normaly, a song takes up anywhere between 50 to 70 megabytes of disc space. The file size is never a consideration while listening to audio CDs, unless one decides to download a couple of songs from the Internet
A 50MB download from the Internet can take several hours using a typical modem, but an MP-3 can make slim compressed versions of recordings that sound nearly indistinguishable from the original and are alomost ten times faster
MP-3 files reduce compression to a fraction of the size of an uncompressed recording . A Three-minute CD-quality song that was 50 MB becomes a 4.5 MB MP- 3 file .
To a layman this mean getting as many as 150-to-160 MP - 3 songs recoded on a singal CD at an average price of downloding it free from the web.
The MP-3 technology also allows easy uploading of an extensive collection of music on the website by simply converting records into computer files, using the same method of digital compression which allows music to be sent quiclky and easily over the Internet line. Anyone with a decent connection can easily upload or download music files within minutes.
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