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Canon XL1 3CCD Camcorder User Manual

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*ISOmPeG‐4version1

*WindowsmediaVideo9screen

*Windowsmediascreenversion7

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Windowsmediaaudio(Wma)codecs

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WindowsMediaalsohasavarietyofaudiocodecsoptimizedfordifferentuses.

‐Theseinclude:

*Windowsmediaaudio9

*ACELP.net

*Windowsmediaaudio9Voice

*Windowsmediaaudio9Professional

*Windowsmediaaudio9lossless

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Exportingtorealmediaformat

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RealMediaistheoldestreal‐timestreamingwebformat

‐UnlikeWindowsMedia,mostRealMediatoolsspecifythetotaldataratefromwhichaudiodatarate

issubtractedtoleavevideodatarate.However,sometoolsdon’tusethismethod.

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‐Youcanuserealmediaforstreamingdelivery

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UnlikeWindowsMedia,itcanmixandmatchcodecsindifferentstreams.Allstreamsmustshare

thesameframesize,whichcanlimitscalability.

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‐Youcanuserealmediaforprogressivedownload

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WhileRealMediaismainlyconsideredastreamingformat,ithassupportedtheexcellent.rmvb2‐

passVBRprogressivemodeforseveralyears.Thesefilesactuallyuseadifferentextensionthanthe

standard.rmfiles,indicatingthatthefileswon’tworkwhenplacedonastreamingserver.

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‐Youcanusingrealmediafordisc‐baseddelivery

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