Audio file formats/codecs
AAC (Advanced Audio Coding)
AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga)
AMR-WB (Adaptive Multi-Rate Wideband, .awb)
eAAC+ / aacPlus v2 / HE-AAC v2
MP3 (MPEG-2 Audio Layer II, .mp3)
WAV (Waveform Audio File Format, .wav, .wave)