| WMV l? m?t
lo?i ??nh d?ng ASF container. 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. N? l? m?t n?n ??c quy?n cho c?c
??nh d?ng file video streaming internet. Microsoft ?? ph?t
tri?n m?t s? phi?n b?n codec wmv 4,0, 7,0, 9,0, 9,5, 11 hi?n
nay.
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.
?? chuy?n ??i wmv to wma, h?y c?i ??t
Windows Media Player m?i nh?t, ch?a c?c codec m?i nh?t wmv
ho?c b? gi?i m?.
Download WMA Converter m? c? th? chuy?n ??i wmv v?o
t?p tin wma. Ch?n m?t t?p tin wmv, ??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 wmv to wma.
MPEG-2 l? m?t trong nh?ng ti?u chu?n qu?c
t? ch?nh th?c ho?t ??ng c?a h?nh ?nh v? ?m thanh m? h?a ???c
ph?t tri?n b?i MPEG (Moving Picture Xu?t kh?u Group) v?o n?m
1994. N? bao g?m 9 ti?u chu?n ri?ng c?a m?nh ,v? c? nhi?u t?nh
n?ng ph?n bi?t nh?: t?c ?? truy?n cao v? ?? ph?n gi?i, qu?ng
b? nh? video v? ??a CD-gi?ng nh? ?m thanh, nhi?u c?ch kh?c
nhau c?a bao quanh c?c k?nh v? c?c k?nh ?m thanh, vv Ngo?i ra,
n? cung c?p ph?m vi r?ng h?n v? vi?c thay ??i t? l? n?n. V?i
nh?ng k? t?, MPEG-2 l? th?ch nghi v?i HDTV v? th? m? l?m cho
MPEG-3 b? lo?i b? tr??c khi sinh c?a m?nh.
?? chuy?n ??i mpeg2 ?? wma, h?y c?i ??t
m?t dvd player nh? PowerDVD Player ho?c WinDVD Player cho c?c
b? gi?i m? mpeg2. VISTA ?? bao g?m c?c b? gi?i m?.
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