The Low Complexity Subband Codec (SBC ) is an audio codec that was defined in the wireless standard Bluetooth and is also predominantly used only there. SBC must be mandatory supports the Bluetooth A2DP profile (Advanced Audio Distribution Profile).
SBC provides a compressed lossy coding of audio signals similar to mp3 but dar. The SBC requires no licensing fees when it is used for Bluetooth. In addition, the encoding to this format requires no high demands on computing power. SBC support bit rates of up to 345 kbit / s