| MOV l? m?t
??nh d?ng audio v? video ???c ph?t tri?n b?i Apple Cop. ?? l?u
tr? th??ng xuy?n s? d?ng k? thu?t s? lo?i ph??ng ti?n nh? ?m
thanh v? video. Khi l?a ch?n QuickTime l? "l?u lo?i", h?nh ?nh
??ng s? ???c l?u d??i d?ng t?p tin Mov. Theo ??nh d?ng video,
MOV l? tuy?t v?i h?n so v?i ??nh d?ng WMA v? RM trong m?t s?
l?nh v?c v? c? th? ???c h? tr? b?i nhi?u ph??ng ti?n truy?n
th?ng hi?u ch?nh nhi?u ph?n m?m v? ph?n m?m x? l?
video.
WMA l? Windows Media Audio. WMA l? m?t
??nh d?ng ?m thanh m?i do Microsoft ph?t tri?n, c?ng ???c bi?t
??n nh? MP3. V?i m?t t? l? cao h?n trong c?c t?p tin n?n v?
ch?t l??ng ?m thanh t?t h?n sau n?y, th?m ch? v??t xa nh?ng
ng??i trong RA.
Mov ?? chuy?n ??i wma t?p tin, vui l?ng
c?i ??t QuickTime Player v? QuickTime l?c DirectShow.
Download WMA Converter m? c? th? chuy?n ??i mov v?o
t?p tin wma. Ch?n m?t t?p tin mov, ??t th?i gian b?t ??u, th?i
gian k?t th?c ho?c bitrate m? h?a ?m thanh, n?u c?n thi?t. C?c
bitrate l? l?n h?n, k?ch th??c t?p tin l? l?n h?n, ch?t l??ng
?m thanh cao h?n, v? ng??c l?i. Nh?n v?o n?t Convert ?? chuy?n
??i MOV to wma.
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 ?? wma H?y c?i ??t On2
VP6 ho?c On2 VP7 codec . |
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