| SND l? m?t
d?ng c?a t?p tin ?m thanh ???c ph?t tri?n b?i Apple Corp SND
???c h? tr? b?i n?n t?ng Macintosh v? m?t lo?t c?c ?ng d?ng
Mac. Ph?n m? r?ng c?a t?p tin l? *. snd khi m?t ?m thanh ???c
l?u tr? trong ??nh d?ng.
ASF l? Advanced Streaming Format. N? l?
m?t ??nh d?ng t?p tin m? r?ng ph?t tri?n ??ng b? ch? y?u ??
l?u tr? video k? thu?t s?, ?m thanh, d?ng ph? ??, ho?c truy?n
d? li?u tr?n internet. ASF c?ng l? m?t container ?a ph??ng
ti?n c?a Windows Media Video hay Windows Media
Audio.
Windows b? m?t b? gi?i m? snd. N? r?t d?
d?ng ?? chuy?n ??i snd v?o t?p tin asf.
Download ASF Chuy?n ??i n? c? th? chuy?n ??n t?p tin
SHN asf. Ch?n m?t file SHN, thay ??i m? h?a ?m thanh bitrate
n?u c?n thi?t,??i t?n file xu?t ra ?? m? r?ng asf.
MP2 l? vi?t t?t c?a MPEG-1 Audio Layer II.
??y l? m?t trong c?c l?p 3 n?n MPEG-1 ?m thanh ti?u chu?n.
???c x?c ??nh b?i ISO/IEC11172-3. mp2 ban ??u ???c nh?m m?c
ti?u t?i ??i ph?t thanh k? thu?t s?, ph?t s?ng truy?n h?nh v?
c?ch s? d?ng tr?n CD Video. M?c d? c?c ti?u chu?n ?? ???c
ho?n th?nh khi MPEG Audio ?? ???c t?ng c??ng th?m cho
Layer III c?a n? (MP3) th?nh ph?n, MP2 v?n c?n l? m?t ti?u
chu?n th?ng tr? cho ph?t s?ng ?m thanh.
Windows b? mp2 b? gi?i m?, b?n c? th?
chuy?n ??i mp2 ?? asf tr?c ti?p.
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