* First-class Efficient audio codec such as MPEG-4(AAC). * Higher performance than MPEG-1/2 audio layer 3, MPEG-4 audio (TwinVQ), WMA and PAC.

* Bitrates from 6 kb/s to 510 kb/s * Sampling rates from 8 kHz (narrowband) to 48 kHz (fullband) * Frame sizes from 2.5 ms to 60 ms * Support for both constant bitrate (CBR) and variable bitrate (VBR) * Audio bandwidth from narrowband to fullband * Support for speech and music * Support for mono and stereo * Support for up to 255 channels (multistream frames) * Dynamically adjustable bitrate, audio bandwidth, and frame size * Good loss robustness and packet loss concealment (PLC) * Floating point and fixed-point implementation