ALL meanings of mpeg-4 aac main profile
- noun Technical meaning of mpeg-4 aac main profile (compression, 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. 1