| FLV c?
ngh?a l? Flash Video. N? l? m?t ??nh d?ng video m?i ph?t tri?n
v?i s? ra m?t c?a Flash MX. FLV streaming ??nh d?ng ph??ng
ti?n truy?n th?ng l?m cho kh? n?ng xem video tr?c tuy?n v?i
c?c t?nh n?ng c?a t? l? kh? t?i nhanh v? k?ch th??c kh? nh?,
n? t?o. Ng?y nay, t?t c? c?c trang web video tr?c tuy?n th?ng
qua ??nh d?ng FLV, v? nh? l? ?ang c? nhi?u h?n v? nhi?u trang
web h?n podcast video v? c?c trang web, nh? m?t ??nh d?ng FLV
m?ng v?a ???c sinh ra v? tr? n?n ph? bi?n h?n. Ho?c l?
Youtube, Google video nh? c?c trang web chia s? video ph? bi?n
nh?t hi?n nay ?? th?ng qua FLV l?m c? s? k? thu?t.
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 flv to wmv, h?y
c?i ??t FLV Splitter v? ffdshow. Run "regsvr32 FLVSplitter.ax" ??
??ng k? Splitter FLV.
Download WMV Chuy?n ??i n? c? th? chuy?n flv to file
wmv. Ch?n m?t t?p tin flv, 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
flv to wmv HD.
Flash tr? th?nh hai chi?u ho?t h?nh ph?n
m?m ???c ph?t tri?n b?i Macromedia k? t? Nov.1996 v?i phi?n
b?n ??u ti?n c?a n? ???c g?i l? Future Splash Animator. N?
th??ng bao g?m Macromedia Flash cho thi?t k? v? ch?nh s?a c?c
t?p tin Flash v? Macromedia Flash Player ?? ch?i c?c t?p tin
Flash. Flash l? nh?ng ti?u chu?n c?a ?? h?a v?c t? t??ng t?c
v? ho?t ?nh web, do ?? thi?t k? web t?o ra nhi?u giao di?n
menu ??p v?i k?ch th??c thay ??i v? c? hi?u l?c tuy?t v?i
kh?c. Do cross-n?n t?ng c?a n?, k?ch th??c t??ng ??i nh? phim
n? t?o ra, c? ??c bi?t ri?ng c?a t?p tin ??nh d?ng c?a n?
(swf) v? c?c t?nh n?ng kh?c, ?? l? tuy?n b? r?ng kho?ng 97%
tr?nh duy?t web ?? ???c x?y d?ng trong Flash Player c?a
Macromedia.
Swf l? ??nh d?ng ??c bi?t cho c?c ph?n m?m
thi?t k? h?nh ?nh ??ng-Flash c?a Macromedia ty ?? l? t?t c?
???c g?i l? c?c t?p tin Flash. H? tr? ??nh d?ng file h?nh ?nh
??ng c?a v?c t? v? ?? h?a l??i, do ??, h?nh ?nh s? kh?ng b?
m?o khi ph?ng to m?t h?nh ?nh ??ng. Swf l? kh? thi?t th?c ??
m? t? m?t h?nh ?nh ??ng ?? bao g?m ?? h?a h?nh h?c . ??nh d?ng
Swf ???c ?p d?ng r?ng r?i ?? thi?t k? web, t?o h?nh ?nh ??ng
v? gi?ng d?y cu?c bi?u t?nh, vv
WMV conerter kh?ng chuy?n ??i flash swf to
wmv tr?c ti?p.
On2 c? ngh?a l? On2 Technologies ???c
tr??c h?t l? T?ng c?ng ty v?t. On2 nh?m thi?t k? d?a tr?n c?c
chu?n c?ng ngh? codec video v? n? ?? thi?t k? m?t s? codec nh?
VP4, VP5, VP6 vv. B?c Kinh E-Th? gi?i c?a n? v? ch?n VP5 codec
VP6 nh? l? m?t ph??ng ph?p m? h?a video ???c s? d?ng trong EVD
??nh d?ng in2003.
?? chuy?n ??i On2 ?? wmv, Xin vui l?ng c?i
??t On2 VP6 ho?c On2 VP7 codec.
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