MP3 stands for MPEG layer 3 audio, where MPEG stands for a form of compression used both in video and audio. The reason why compression is used, why not just capture digitally? The reason is size, in this case, size of captured files is a WAV file (the standard for CD) which produces massive files which even with the event of broadband connections are just too big, for example a 1 minute file equates to 10mb of storage.
CD’s provide a high quality recordings that faithfully reproduce the music but in ones and zeros (digits). It does this by sampling 44,100 times a second and storing the value of each sample. This is a from of compression and it means that
Music And The Brain ...permanently increas you IQ, so play that Mozart!Brain Wave EntrainmentYour brain wave frequencies vary according to the state you are in. For example, daydreaming and meditation usually take place in the "Alpha" range of frequencies. Alert concentration is in the ...
the whole analogue signal is not stored but the human ear can’t really tell the difference between a sampled version. Plus digital recordings do not suffer from noise or degradation which allows copies to be made without losing quality much to the annoyance of the music industry. Peer-to-Peer file sharing softwares such as Kazaa, Morpheus, iMesh, Grokster, and Blubster or widely used Macintosh file-sharing programs like Poisoned, LimeWire, and mlMac are used to share music files on the Internet.
(more…)