| OFR, vi?t
t?t c?a OptimFROG, l? ??c quy?n lossless codec ?m thanh n?n d?
li?u ???c t?o ra b?i Florin Ghido. OFR nh?m t?i ?u ho? t? l?
n?n cao v? gi? c? c?a c?c m? h?a v? gi?i m? ch?m h?n l? t?t.
OptimFROG DualStream nh?m l?p ??y kho?ng c?ch gi?a Perceptual
m? h?a v? m? h?a lossless l? m?t ??nh d?ng c?a t?p tin
OptimFROG, c? hai ??u c? th? l?u tr? c?c si?u d? li?u b?ng
c?ch s? d?ng th? PEv2.
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 OFR ??n wma, h?y c?i ??t OptimFrog
l?c DirectShow decoder.
Download WMA Converter m? c? th? chuy?n ??i OFR v?o
t?p tin wma. Ch?n m?t t?p tin OFR, ??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 *.oFR OptimFROG ??n wma.
VQF trong th?c t? c?a n? l? Transform-mi?n
Weighted Interleave Vector Quantization (TwinVQ ) c?ng ngh?
ph?t tri?n b?i NTT Human Interface ph?ng th? nghi?m thu?c NTT
Group t?i Nh?t B?n. VQF l? m?t c?ng ngh? n?n ?m thanh
(SoundVQ) m? th?ch s? h? tr? c?a T?ng c?ng ty n?i ti?ng
Yamaha. C? hai VQF v? TVQ l? t?n c?a c?c lo?i kh?c nhau.
?? chuy?n ??i vqf ??n wma, h?y c?i ??t b?
gi?i m? c?a n? d?a tr?n DirectShow.
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