SRS Circle Surround enables audio professionals to encode up to 6.1 channels of discrete program material for transmission via any two-channel medium, such as broadcast television or radio (including digital) or two-channel Internet streams. Circle Surround-encoded material can also be stored for playback over two-channel mediums such as VHS, PC and console games, DVDs and CDs. Circle Surround-encoded material is backward compatible with all existing playback formats from mono to 5.1 channel surround sound decoding.
