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EXTRAS

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EXTENSIONS

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‐TherearemanydifferentfiletypesandextensionsforWindowsMediaformat.Herearesomeofthe

mostcommonextensionsandtheirmeanings:

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*.asf

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ThefileformatusedforWindowsMediafilesiscalledtheAdvancedStreamingFormat,andthe

originalextensionwas.asf.However,thisextensiondidn’tdiscriminatebetweenaudio‐onlyandvideo

.les,andsotheextensions.wmvand.wmawereintroducedwithWindowsMedia7.

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*.wmv

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AWindowsMediaVideofile(.wmv)isan.asffilethatcontainsvideo.

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*.wma

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AWindowsMediaAudio.le(.wma)isthesameasan.asffile,butitonlycontainsaudio.

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*.asx

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An.asxfileisametafileforWindowsMediaStreaming.The.asxfilegoesonthewebserverand

pointstothemediaonthestreamingserver.The.asxfileformatitselfhasn’tchanged,butwiththe

adventofWM7,the.wvxand.waxfileextensionshavebeenusedmorecommonly.

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*.wvx

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A.wfxfileisametafilethatcontainsvideoand,optionally,audio.

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*.wax

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A.waxfileisametafilethatcontainsonlyaudio

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