Posted 12 March 2008 - 08:47 AM
If I understand your question correctly, then yes, it is quite possible for a full CD of music to be reduced to under 60MB in size.
The 128Kb figure you refer to is probably the bit rate of the MP3 file, 128K bits per second. This is how much data from the file is played each second, and will govern the quality of the sound, and the size of the file, lower bit rates giving lower sound quality but smaller files.
Files can be recorded at different bit rates, eg 64K, 128K, 192K. 128K is a common figure to give both reasonable sound quality and fairly small files.
I have my MP3 CDs recorded at 192K bitrate, which gives quite decent sound and fits well over 5 hours on a CD.
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