128 Kbps Aac Vs 320kbps Mp3 Download

128kbps AAC vs 320kbps MP3 It is a fact that AAC encodes audio files of high observable quality at low data rates. While MP3 is known to produce a pretty high sound quality at 320kbps, AAC can produce a surprisingly clear sound quality at 128kbps.. AAC is known to have better quality than MP3 at low bit rates like 128kbps, but once you get into higher bitrates like 256kbps and above, the differences become pretty much indistinguishable and most people can't reliably tell the difference between them or even lossless formats..