| MPG l?
th??ng xuy?n s? d?ng nh? l? t?n ph?n m? r?ng t?p tin cho ??nh
d?ng MPEG. MPG MPEG c?n ???c g?i l? ph??ng ti?n Moving
Pictures Nh?m chuy?n gia c?ng ph?t tri?n b?i T? ch?c ti?u
chu?n qu?c t? v? ?y ban qu?c t? ?i?n t? n?m 1988. Hi?n ?ang
ch? y?u l? 5 ti?u chu?n MPEG, MPEG-1, MPEG-2, MPEG-4, MPEG-7
v? MPEG-21. C?c m? h?a c?ng ngh? n?n video MPEG ???c th?ng qua
b?i r?t nhi?u l?m t?ng hi?u su?t n?n b?i integrately gi?m s?
th?a v? th?i gian, h?nh ?nh kh?ng gian v? th?ng k?.
ASF l? Advanced Streaming Format. 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 mpg ?? asf, n?u t?p tin MPG
???c m? h?a v?i ??nh d?ng MPEG-1, b?n kh?ng c?n ph?i c?i ??t
b?t k? gi?i m? MPG b? sung ?? chuy?n ??i mpg1 ?? asf. N?u t?p
tin ???c m? h?a v?i MPG1.1 ho?c 2.0, xin vui l?ng c?i ??t
th?ch h?p dvd player nh? PowerDVD Player ho?c WinDVD Player
cho c?c b? gi?i m? mpg. Vista c? k?m b? gi?i m?
MPG1.1/2.0.
Download ASF
Chuy?n ??i n? c? th? chuy?n ??n t?p tin mpg asf. Ch?n m?t
t?p tin mpg, 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.
3GPP2 c? ngh?a l? The 3rd
Generation Partnership Project 2 (3GPP2) ???c t?m th?y trong
th?ng 1 n?m 1999 b?i 4 t? ch?c t??ng ?ng ???c ti?u chu?n h?a
Vi?n th?ng Hi?p h?i C?ng nghi?p (B?c M?), ?y ban C?ng ngh?
Th?ng tin (Nh?t B?n), Hi?p h?i Ph?t thanh C?ng nghi?p v? Kinh
doanh (Nh?t B?n) v? Hi?p h?i C?ng ngh? Vi?n th?ng (H?n
Qu?c), 3GPP2 nh?m m?c ??ch kh?c nhau t? 3GPP b?ng c?ch l?m cho
th? 3 th? h? ??c t? k? thu?t v?i CDMA2000 nh? giao di?n kh?ng
d?y tr?n c? s? ANSI-41core m?ng. Ph?n m? r?ng c?a t?p tin l?
*.3g2.
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