SBC is an audio subband codec specified by the Bluetooth Special Interest Group
for the A2DP profile. SBC is a digital audio encoder and decoder used to
transfer date to Bluetooth audio output devcies likes headphones or
loudspeakers. It can be also used on the Internet. It was designed to obtain
a reasonably good audio quality at medium bit rates while keeping low
computational complexity, having Bluetooth bandwidth limitations and processing
power in mind.