Supplies up to five full bandwidth channels (left, right, centre, and two surround channels), plus an additional low frequency enhancement channel, and/or up to seven commentary/multilingual channels. The MPEG-2 Audio Standard will also extend the stereo and mono coding of the MPEG-1 Audio Standard to half sampling-rates (16 KHz, 22.05 KHz, and 24 KHz), for improved quality for bitrates at or below 64 Kbits/s, per channel.
