??nh d?ng MP4, vi?t t?t c?a MPEG-4 Part 14, l? m?t ??nh d?ng v?ng ch?a ?a ph??ng ti?n k? thu?t s? ???c s? d?ng r?ng r?i. N? th??ng ???c s? d?ng ?? l?u tr? c?c t?p ?m thanh v? video, c?ng nh? c?c d? li?u kh?c nh? ph? ?? v? h?nh ?nh t?nh. MP4 l? m?t ??nh d?ng t?p ???c chu?n h?a ???c x?c ??nh b?i T? ch?c Ti?u chu?n h?a Qu?c t? (ISO).
??nh d?ng WMV, hay Windows Media Video, l? m?t ??nh d?ng n?n video ???c ph?t tri?n b?i Microsoft. N? l? m?t ph?n c?a khung Windows Media v? ???c thi?t k? ?? n?n v? ph?t l?i video hi?u qu? tr?n c?c h? th?ng d?a tr?n Windows. C?c t?p WMV c? th? ???c s? d?ng ?? ph?t tr?c tuy?n video qua internet v? ?? l?u tr? n?i dung video tr?n c?c thi?t b? c?c b?.
?ng d?ng web c? th? chuy?n ??i Microsoft Office PowerPoint 1.0/4.0/95/97/2007' S ppt/pptx/pot/potx/pps/ppsx/odp v? Word t?i li?u doc/docx/txt/rtf ??nh d?ng mp4 ho?c wmv tr?c tuy?n.
Vui l?ng ch?n ??nh d?ng t?p ??u ra:
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