| MP4, tr??c
ti?n ???c quy ??nh nh? m?t ??nh d?ng ?m thanh v?i m?i quan h?
r?t ?t v?i MPEG-4, v? gi?ng nh? c?c m?i quan h? gi?a MP3 v?
MPEG-3. Nh?ng b?y gi? n? c? xu h??ng ???c m?t ??nh d?ng video
v? b?ng sang MPEG-4 Part 14 v?i s? m? r?ng c?a *.mp4. N? ch?
y?u l? c?c c?a h?ng k? thu?t s? ?m thanh v? video k? thu?t
s?.
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 mp4 to wmv file, h?y c?i ??t
c?c b? gi?i m? mp4 th?ch h?p v? gi?i m? ?m thanh cho c?c ??nh
d?ng mp4 nh? ffdshow, DivX, XviD vv
Download WMV Converter m? c? th? chuy?n ??i mp4 v?o
t?p tin wmv. Ch?n m?t t?p tin wmv, 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
mp4 to wmv HD.
3IVX t?o b?i 3ivx Technologies l? m? h?a
c? b?n cho MPEG-4. ?? l? m?t ??nh d?ng n?n d?a tr?n MPEG4 v?
kh? gi?ng v?i Xvid ho?c DivX. 3IVX kh?ng ph?i l? mi?n ph? ??
t?o ra b? phim v?i 3ivx ch??ng tr?nh m? h?a, trong khi ?? c?
th? ???c t?i v? t? do v? ng??i d?ng kh?ng c?n ph?i thi?t l?p
Xvid v? DivX gi?i m? m?t l?n n?a cho 3ivx m? h?a c?a ch??ng
tr?nh l? c? th? ch?i m? t?t c? c?c ??nh d?ng ???c h? tr? b?i
MPEG4. B?n c?nh ??, do t? l? n?n cao v? ch?t l??ng h?nh ?nh
t?t, n? c?ng s? tr? th?nh m?t ??nh d?ng kh? ph? bi?n tr?n
m?ng.
?? chuy?n ??i 3IVX ?? wmv, h?y c?i ??t b?
l?c 3ivx codec. 3ivx ch? l? codec, n? c? th? ???c ch?a
trong *.avi, *.mp4, *.ogm, *.ph?n m? r?ng file mkv vv Sau ??,
chuy?n ??i m?t t?p tin 3ivx cho 3ivx ?? wmv trong chuy?n ??i
video.
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