วันอังคารที่ 22 พฤษภาคม พ.ศ. 2550

A portable MP3 player

MP3
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For other uses, see MP3 (disambiguation).
MPEG-1 Audio Layer 3
File extension:
.mp3
MIME type:
audio/mpeg
Type of format:
Audio
A portable MP3 player
MPEG-1 Audio Layer 3, more commonly referred to as MP3, is a popular digital audio encoding, lossy compression format, and algorithm, designed to greatly reduce the amount of data required to represent audio, yet still sound like a faithful reproduction of the original uncompressed audio to most listeners. It was invented by a team of European engineers of Philips, CCETT (Centre commun d'études de télévision et télécommunications), IRT and Fraunhofer Society, who worked in the framework of the EUREKA 147 DAB digital radio research program, and it became an ISO/IEC standard in 1991.

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