![]() The more the compression level decreases, the lesser the sound quality. For instance, an MP3 created with 128 Kbit compression will be of a greater quality and larger file size than that of a 56 Kbit compression. ![]() When encoding a file into MP3, a variety of compression levels can be set. After a file is compressed, the data that is eliminated in the creation of the MP3 cannot be replaced. As such, this is known as 'destructive' compression. When sound is compressed into an MP3 file, an attempt is made to get rid of the frequencies that can't be heard. The human hearing range is between 20Hz to 20Khz and it is most sensitive between 2 to 4 KHz. It's an acronym which stands for Mpeg 1 Audio Layer 3.Īs a form of compression, MP3 is based on a psycho-acoustic model which recognizes that the human ear cannot hear all the audio frequencies on a recording. It's no wonder that claim that MP3 is one of the most popular search terms, second only to sex. MP3 isn't much of a bandwidth choker, the sound quality is generally quite good and just about every major artist's music has been pirated and put online. It's the content of a file which may breach copyright, not it's file type.ĭespite opposition from certain elements of the music recording industry, MP3 is extremely popular as a file format. And it's worthwile to emphasize that MP3 is not an illegal file format, but the unauthorized compression and distribution of copyright material is illegal. ![]() MP3s get traded online, posted to newsgroups and uploaded to web servers simply because they generally lack any security features or digital watermarks to prevent mass distribution. ![]() Call it what you will, but it's music piracy at the end of the day. This generally happens without the consent or knowledge of the artists or record companies. While garage bands MP3 their demos, others are grabbing their favourite albums, converting them to MP3 and uploading them onto the Internet. Consequently, music has become really popular on the Internet.
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