| MPEG-4
???c khai tr??ng b?i MPEG (MovingPictureExportsGroup) trong
n?m 1999 l? ?n b?n ??u ti?n v? ???c ch?nh th?c tuy?n b? ???c
c?c ti?u chu?n qu?c t? v?o ??u nh?ng n?m 2000. N? kh?c v?i r?t
nhi?u t? c? hai MPEG-1 v? MPEG-2. MPEG-4 n?i dung ?a ph??ng
ti?n ti?p c?n c?c c?ng c? d?a tr?n d? li?u v? c?c ch?c n?ng
ch?nh s?a cho c?c ho?t ??ng v? ch?t d?ng n?i dung ?? ng??i
d?ng c?ch kh?c c? th? nh?n ???c c?c m?c t??ng ??i v? mua s?m
nh? t??ng t?c. V?i c?ng ngh? ho?n h?o th? h? ??u ti?n c?a
video-m? ho? l? c?ng ngh? c?t l?i v? c?ng ngh? ch? ch?t kh?c
nh? ph?n kh?c ??i t??ng video, Video Object m? h?a, kh? n?ng
m? r?ng, chuy?n ??ng v? d? to?n b?i th??ng, n? tr? n?n r?ng
r?i v? an to?n ???c ?p d?ng tr?n internet.
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 mpeg4 v?o t?p tin wmv: C?c
th?ng ch?a nh? mp4, mov, avi, rm, mkv, ogm divx h? tr? mpeg-4
d?ng. h?y c?i ??t c?c b? l?c video th?ch h?p v? b? l?c ?m
thanh cho c?c ??nh d?ng mpeg4 nh? ffdshow, divx, xvid, HDX4 codec, ho?c
MainConcept b? gi?i m?.
Download WMV Converter m? c? th? chuy?n ??i mpeg4 v?o
t?p tin wmv. Ch?n m?t file mpeg4, 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.
RealMedia ???c t?o ra b?i RV RealNetworks
Inc l? vi?t t?t c?a Real Video.
?? chuy?n ??i rv hay RealMedia ?? wmv, h?y
c?i ??t RealPlayer m?i nh?t, n?u Windows c?a b?n ??
kh?ng ???c c?i ??t n?. Download RealMedia Splitter, s? d?ng d?ng l?nh
"regsvr32 RealMediaSplitter.ax" ?? ??ng k? n?.
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 ?? mpeg4/rv
wmv HD.
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