| MPEG l?
vi?t t?t c?a Moving Pictures Experts Group. Nh?m n?y ???c t?
ch?c theo ti?u chu?n ISO (T? ch?c ti?u chu?n qu?c t?) v? IEC
(U? ban qu?c t? ?i?n t?) n?m 1988, d?nh cho H?nh Moving (MPEG
video) v? Audio Coding (MPEG Audio) l?m vi?c ti?u chu?n ho?.
ASF l? n?ng cao Streaming ??nh
d?ng. N? l? m?t ??nh d?ng t?p tin m? r?ng
ph?t tri?n ??ng b? ch? y?u ?? l?u tr? video k? thu?t s?, ?m
thanh, d?ng ph? ??, ho?c truy?n d? li?u tr?n internet. ASF
c?ng l? m?t container ?a ph??ng ti?n c?a Windows Media Video
hay Windows Media Audio.
?? chuy?n ??i d?ng file mpeg asf, tr??c
ti?n b?n c? th? c?i ??t m?t ??u DVD d?a tr?n c?ng ngh?
Microsoft DirectShow tr?n Windows c?a b?n n?u c?c t?p tin mpeg
???c n?n v?i mpeg-1.1 or 2.0 chu?n. N?u mpeg l? 1,0 phi?n b?n,
Windows ?? bao g?m c?c b? gi?i m?, kh?ng c? g? codec th?m l?
c?n thi?t.Vista c? k?m b? gi?i m? MPEG1.1/2.0.
Download ASF
Chuy?n ??i n? c? th? chuy?n ??n t?p tin mpeg asf. Ch?n m?t
t?p tin mpeg, Thay ??i ??nh d?ng ASF ??u ra ?? trong h?p tho?i
Options, c?u h?nh m?t s? th?ng s? nh? m? h?a video
bitrate,bitrate m? h?a ?m thanh, ?? ph?n gi?i, t? l? khung
h?nh, vv n?u c?n thi?t.
HDV l? m?t trong nh?ng lo?i ??nh d?ng ??
n?t cao m? l? tuy?n b? chung c?a Canon, Sharp, Sony v? JVC.
HDV chu?n nh?m m?c ??ch ph?t tri?n Quasi-chuy?n nghi?p m?y ?nh
?? n?t cao v? nh? c?m tay ?? n?t cao nh? m?y quay video ?? l?m
cho HD ph? bi?n trong ph?m vi r?ng h?n. Nay l? ?? ph?n gi?i HD
video ch?nh l? 1280 * 720 v? 1920 * 1080 v? t? l? c?c video l?
16-9. M?y quay phim ghi l? m?y ?nh k? thu?t s?.
?? chuy?n ??i HDV ?? asf, h?y c?i ??t HDV
codec t? c?c nh? m?y.
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