| 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?.
WMV ch?a d?ng video v? audio t??ng ?ng
b?ng c?ch s? d?ng Windows Media Video codec v? Windows Media
Audio codec.
?? chuy?n ??i mpg to wmv, n?u file 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 ?? wmv. 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 WMV Chuy?n ??i n? c? th? chuy?n ??n t?p tin
mpg wmv. Ch?n m?t mpg t?p tin, thay ??i m?t v?i tham 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.
N?u thi?t l?p t?y ch?nh k?ch
th??c ?? xem ?? n?t cao trong 1280x720 (720p) ho?c 1920x1080
(1080p) ngh? quy?t, v? t?ng t? l? bit, b?n c? th? chuy?n ??i
mpg to wmv HD.
3GP l? m?t ?o?n video ??nh d?ng m? h?a c?a
3G (3rd Generation)'s streaming media. 3GP ???c ph?t tri?n ??c
bi?t cho ?i?n tho?i di ??ng ?? th?ch ?ng v?i truy?n t?c ?? cao
c?a m?ng 3G. M?c d? c?c t?p tin ??nh d?ng rm c?ng ?ang ch?i v?
ch? y?u ? ?i?n tho?i th?ng minh, ??nh d?ng 3GP l? m?t ph??ng
ti?n truy?n th?ng ?a ti?u chu?n do 3GPP v? l? ph? bi?n nh?t
trong s? c?c th? tr??ng ?i?n tho?i di ??ng hi?n nay. 3GP cung
c?p cho ng??i s? d?ng v?i video ch?t l??ng cao, ?m thanh v?
c?c n?i dung ?a ph??ng ti?n truy?n th?ng. B?n c?nh ??, 3GP t?p
c?ng c? th? ???c ch?i tr?n m?y t?nh v?i nh?ng c?u th? t??ng
??i gi?ng nh? Media Player Classic, MPlayer, QuickTime,
RealPlayer, vv
?? chuy?n ??i 3gp to wmv d? d?ng, vui l?ng
c?i ??t 3GP codec nh? ffdshow, ho?c HDX4, hay QuickTime
Alternative.
3GPP c? ngh?a l? th? h? ??i t?c d? ?n.
3GPP l? th? h? th? ba (3G) h? th?ng ?i?n tho?i di ??ng ??c
?i?m k? thu?t gi?a nhi?u qu?c gia.
3GPP2 c? ngh?a l? The Third Generation
Partnership D? ?n 2: 3GPP2 l? m?t th? h? h?p t?c th? ba (3G)
vi?n th?ng s? k? thu?t-thi?t l?p d? ?n, v? bao g?m B?c M? v?
l?i ?ch c?a ch?u ? ?ang ph?t tri?n chi ti?t k? thu?t to?n c?u
cho 3G. 3GPP2 l? to?n c?u th?ng s? k? thu?t cho c?c c?ng ngh?
truy?n d?n ph?t thanh (RTTs).
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