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MP3, Portable Audio

MP3, Portable Audio Article

MPEG-1 Audio Layer 3, more commonly referred to as MP3, is an audio encoding format.

It uses a lossy compression algorithm that is designed to greatly reduce the amount of data required to represent the audio recording, yet still sound like a faithful reproduction of the original uncompressed audio to most listeners. It was invented by a team of European engineers at Philips, CCETT (Centre commun d'etudes de television et telecommunications), 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.

MP3 is an audio-specific format. The compression removes certain parts of sound that are outside the hearing range of most people. It provides a representation of pulse-code modulation encoded audio in much less space than straightforward methods, by using psychoacoustic models to discard components less audible to human hearing, and recording the remaining information in an efficient manner. Similar principles are used by JPEG, an image compression format.


MP3, Portable Audio Items

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TIMEX T307 TUNING CLOCK RADIIO AS IS
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LN EMERSON PD6810 CD PLAYER AM/FM RADIO BOOMBOX
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AM FM Portable Pocket Radio w Speaker 2x AAA Battery R6
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Sanyo Portable Cassette Recorder Model TRC-2300 w/Case
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AM FM Portable Pocket Radio Headphone Battery 1x AAA R2
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AM FM Portable Pocket Headphone Radio MW 1x AAA Battery
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"POLAROID 7" SWIVEL SCREEN PORTABLE DVD PLAYER"
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SONY WALKMAN WM104 Vintage Cassette JAPAN198X Used Work
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Dale Earnhardt Jr. Nascar Mini AM/FM Radio
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ZOOM H2 HANDY Portable VOICE Recorder W/2GB&512MB SD!
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APPLE IPOD 3RD GEN NANO BLACK 8GB W/BONUS CASE
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Vintage 1985 AM/FM Cassette Beach Radio New in Box
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RMVB RM TV SD Card Reader MP3 JPEG DVD AVI MPEG Player
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Headphones
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PHILIPS PET702 PORTABLE ~7" WIDESCREEN LCD!~ DVD PLAYER
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AXION 16-471 7" LCD WIDESCREEN LCD PORTABLE PLAYER
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MINITEK MDP-1815 8.5" PORABLE DVD PLAYER
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200 DVD OR CD HOLDER CASE
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MPEG AVI DivX WMA JPEG Movie Media Player/2.5 Enclosure
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NEW IN PACKAGE - 288 Disc CD/DVD Carrying Case/Bag
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Used PROTON 300, AM/FM TUNER/RADIO with iPod/Aux hookup
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Vintage Cassette Player CD Discman Player Lot Sony Lot
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SONOWAVE, PORTABLE INTERNET RADIO 4 INTERNET STATIONS
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Tivoli Model One Radio
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APPLE IPOD NANO 3RD GEN 8GB MP3 BLUE W/BONUS CASE
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sony boombox
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Archos 605 WIFI 80GB NEW 100%
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Coby Portable Tablet style DVD player 7 inch screen!!
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Brand New, Never Used Portable DVD Widescreen Player
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Portable DVD Player AC Adapter Charger ALL BRANDS
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MICRO CASSETTE RECORDER
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Tascam DR-1 Windscreen For Your Handheld Audio Recorder
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SONY BM-575 BM575 Micro Cassette Portable Recorder
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PHILIPS SKIP FREE JOG PROOF PORTABLE CD PLAYER,MIB
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Sony Sports Walkman SRF-M78 FM-AM Headphones & Armband
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PORTABLE DVD PLAYER ACTUAL SUPPLlER lNF0!
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Sony SRF-M80V
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DURABRAND 9" PORTABLE DVD PLAYER PDV-709 NR
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RARE VINTAGE TOSHIBA RT-8700S BOOMBOX USED
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PHILIPS 7-INCH WIDESCREEN PORTABLE DVD PLAYER
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Tony Stewart Nascar Mini AM/FM Radio
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Palm top Pocket Projector, 10 Lumen, up to 25", 640x480
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NEW DVD Player Case -Fits up to 8" Screen FREE SHIP -NR
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GPX PDL805 8.5 in. Portable DVD Player AS-IS
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New OSP Elite 1504 150 Watt Compact Portable PA System
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sony portable cd player d-555 discman , d555
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X2gen Xegg Portable Digital Music Player w Speakers MP3
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Insignia NS-P4112 Portable CD Player w/ Skip Protection
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Sun-Mate Generator & Solar Ultimate Emergency Radio
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APPLE IPOD 8GB NANO 3RD GEN SILVER W/BONUS CASE
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New Compact Disc AM FM Cassette Player Recorder w/Aux
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SONY SRFM37W WALKMAN DIGITAL TUNE WEATHER RADIO SRF-37W
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Sony AM/FM Stereo Radio Walkman Model SRF-59
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New Black AM/FM Portable Mini Radio w/Speaker + Alarm
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NEXTAR MA933A 1GB USB MP3 Player - Silver -
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