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WHAT IS MP3?

| Articles | September 1, 2011

Invented in 1991, MPEG (Motion Picture Experts Group) Layer 3 – file type better known under the name of mp3 – remarked itself in less than 10 months from the launch as the most performing audio format on the web. And it is no wonder: the sound is excellent, Downloads are fats, and the variety of the products available in this format is overwhelming. The huge competition in the online audio war between Real Audio and Shock Wave produced by Macromedia has been step over at once by the new comer.

Mp3 is digital form of compression audio streams that came to life after 15 years of acoustic research. Mp3 can make an audio file up to 12 times smaller than the original file.

Being so small the mp3file still has all the perceptible audio details, giving up only those that the human ear cannot hear.

According to the declaration of engineers from the Fraunhoffer Institute, a pioneer company in the mp3 technology, this system explores the properties of the human ear, trying to maintain the original sound quality, in the boundaries of what is possible. Although it is not as clear as an audio CD, an mp3 still is an enormous realization when it comes to sound quality for such a big compression rate.

Another huge advantage the mp3 format represents is the stocking capacity. Five minutes of music on a CD take up about 40 MB, but if they were in mp3 format they could take only 3, 5 MB.

For some, the Mp3s are a dream come true, for others the worst nightmare. In the confusion caused by technological revolution, we still cannot afford not to know what is legal and what is not. Recording companies have suffered great losses because of this format.

It is very simple to create and distribute mp3s. But this does not mean you have to give them to others unless you have the right to do that. It is legal to make mp3s out of an audio CD you bought, but it is illegal to give someone copies of those mp3s.

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