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我用WINDOW MEDID PLAYER來PREVIEW我的片畫質不錯
- Stephen StudioLv 51 decade agoFavorite Answer
when you submit your video and upload to YouTube, your video willbe compress to flv ( flash video ) format....
It is because you playing your video at your local machine,...
you no need to care the file size, but other user go to youtube to
watching your video, it should need to compress the video to smaller size with good quality, and playing the video smoothly....
they need to thinking of the Limited bandwidth.