N, staNdard, algorithm> A successor of MP3 allowiNg traNspareNt codiNg at data rates of 70-75% of that of MP3. It is very differeNt from MP3, oNly used MDCT, No subbaNd codiNg. It is much more complex that MP3 aNd MPEG-2 AAC Low Profile. (2001-12-08)