This complex lossy compression technology for audio format was developed by Dr. Karlheinz Brandenburg in the late 1980s as a part of his doctoral thesis. MP3 stands for MPEG-1 Layer III audio format. It is used for compressing sound into a file that is a fraction of the size of the original. It allows one to download and share music on the Internet through the use of a computer. This audio technology has been explored but abandoned as a format for future forms of audio books by the Library of Congress.

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