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Komprimierung mit VerlustenCispossiblebecausemostreal-worlddataisveryredundantorrepresentedinitshuman-interpretableforminanotconcisewayCisimpo rtantbecauseithelpsreducetheconsumptionofexpensiveresourcessuchasdiskspaceorconnectionbandwidthHowevercrequiresinfo rmationprocessingpowerwhichcanalsobeexpensiveThereforemanydatacschemeshavebeendesignedforvariouspurposesSomeschemes arereversiblesothattheoriginaldatacanbereconstructed(losslessc)whileothersacceptsomelossofdatainordertoachievehighe rc(lossyc)
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