1 Byte (B) = 8 bits (b)
CD: 70mins / 700MBytes
i.e. 1 Minute = 10MB
128kbps MP3 / WMA /
-> 1Minute = 1MB
i.e. 3min song ~ 3MB
详细:
所有跟帖:
•
i see i see. 我从WMA换到itune,看来不好
-smilysnoopy-
♀
(24 bytes)
()
03/19/2009 postreply
20:29:23