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 file vob wma ??n, tr??c ti?n b?n c? th? c?i ??t m?t ??u DVD d?a tr?n c?ng ngh? Microsoft DirectShow tr?n Windows c?a b?n. Vista c? k?m b? gi?i m? vob.

Download WMA Converter m? c? th? chuy?n ??i vob v?o t?p tin wma. Ch?n m?t file vob, ??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 vob to wma. N?u c?c file vob ???c b?o v? ho?c m?t m?, chuy?n ??i s? th?t b?i.

3GP l? m?t ?o?n video ??nh d?ng m? h?a c?a 3G (3rd Generation)'s streaming media. 3GP ???c ph?t tri?n ??c bi?t cho ?i?n tho?i di ??ng ?? th?ch ?ng v?i truy?n t?c ?? cao c?a m?ng 3G. M?c d? c?c t?p tin ??nh d?ng rm c?ng ?ang ch?i v? ch? y?u ? ?i?n tho?i th?ng minh, ??nh d?ng 3GP l? m?t ph??ng ti?n truy?n th?ng ?a ti?u chu?n do 3GPP v? l? ph? bi?n nh?t trong s? c?c th? tr??ng ?i?n tho?i di ??ng hi?n nay. 3GP cung c?p cho ng??i s? d?ng v?i video ch?t l??ng cao, ?m thanh v? c?c n?i dung ?a ph??ng ti?n truy?n th?ng. B?n c?nh ??, 3GP t?p c?ng c? th? ???c ch?i tr?n m?y t?nh v?i nh?ng c?u th? t??ng ??i gi?ng nh? Media Player Classic, MPlayer, QuickTime, RealPlayer, vv

?? chuy?n ??i 3gp ?? wma m?t c?ch d? d?ng, vui l?ng c?i ??t 3GP codec nh? ffdshow, ho?c HDX4, hay QuickTime Alternative.

3GPP c? ngh?a l? th? h? ??i t?c d? ?n. 3GPP l? th? h? th? ba (3G) h? th?ng ?i?n tho?i di ??ng ??c ?i?m k? thu?t gi?a nhi?u qu?c gia.

3GPP2 c? ngh?a l? The Third Generation Partnership D? ?n 2: 3GPP2 l? m?t th? h? h?p t?c th? ba (3G) vi?n th?ng s? k? thu?t-thi?t l?p d? ?n, v? bao g?m B?c M? v? l?i ?ch c?a ch?u ? ?ang ph?t tri?n chi ti?t k? thu?t to?n c?u cho 3G. 3GPP2 l? to?n c?u th?ng s? k? thu?t cho c?c c?ng ngh? truy?n d?n ph?t thanh (RTTs).