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MPEG Audio Layer 3 An audio compression technology that is part of the MPEG-1 and MPEG-2 specifications. Developed in Germany in 1991 by the Fraunhofer Institute, MP3 uses perceptual audio coding to compress CD-quality sound by a factor of 12, while providing almost the same high fidelity. MP3 music files are played via software or a handheld device.
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MP3 stands for MPEG Audio Layer 3 However, MPEG stands for Moving Pictures Experts Group, which is the name of a family of standards used for coding audio-visual information into a digital compressed format. And before you ask, JPEG (as in a graphics file format) stands for Joint Photographic Experts Group.
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Developed by the Fraunhofer-Gesellschaft institute in Germany. The inventors named on the on the MP3 patent are Bernhard Grill, Karl-Heinz Brandenburg, Thomas Sporer, Bernd Kurten, and Ernst Eberlein. MP3 stands for MPEG Audio Layer III and it is a standard for audio compression that makes any music file smaller with little or no loss of sound quality. MP3 is part of MPEG, an acronym for Motion Pictures Expert Group, a family of standards for displaying video and audio using lossy compression. Standards set by the Industry Standards Organization or ISO, beginning in 1992 with the MPEG-1 standard. MPEG-1 is a video compression standard with low bandwidth. The high bandwidth audio and video compression standard of MPEG-2 followed and was good enough to use with DVD technology. MPEG Layer III or MP3 involves only audio compression. http://inventors.about.com/od/mstartinventions/a/MPThree.htm
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Moving Picture Experts Group Layer-3 Audio (an audio file format/extension)
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MP3 (MPeg-1 audio layer 3). A very popular standard for compressing audio and particularly music files down to a reasonable size with little or no perceptible loss of quality, and the files created using it - "an MP3" is an audio file. See MPEG, Compression. MPEG (Motion Picture Experts Group; pr. "em-peg") A set of standards for compressing video and audio files, and the committee that came up with them. Also, often used to mean movie files created to the MPEG standard. http://www.jonstorm.com/glossary/glossmr.htm
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