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In module: Content Control
Element:prefetch
Attributes: | alt | bandwidth | begin | class | clip-begin | clip-end | clipBegin | clipEnd | customTest | dur | end | fill | fillDefault | id | longdesc | max | mediaSize | mediaTime | min | repeat | repeatCount | repeatDur | restart | restartDefault | skip-content | src | syncBehavior | syncBehaviorDefault | syncTolerance | syncToleranceDefault | system-bitrate | system-captions | system-language | system-overdub-or-caption | system-required | system-screen-depth | system-screen-size | systemAudioDesc | systemBitrate | systemCaptions | systemComponent | systemCPU | systemLanguage | systemOperatingSystem | systemOverdubOrSubtitle | systemRequired | systemScreenDepth | systemScreenSize |

The prefetch gives authors a mechanism to influence the scheduling of media object transfers from a server to the player.