Patent ID: 8280538

Claim:
A multi-channel audio signal decoding system, comprising: a two-to-three (TTT) decoder to decode two audio channel signals using TTT spatial information; a first one-to-two (OTT) decoder to decode a first channel signal using first OTT spatial information into first plural channel signals; a second OTT decoder to decode a second channel signal using second OTT spatial information into second plural channel signals; a third OTT decoder to decode a third channel signal using third OTT spatial information into third plural channel signals; a fourth OTT decoder to decode one of the first plural channel signals output by the first OTT decoder using fourth OTT spatial information into fourth plural channel signals; and a fifth OTT decoder to decode one of the second plural channel signals output by the second OTT decoder using fifth OTT spatial information into fifth plural channel signals, wherein the fourth OTT decoder and the fifth OTT decoder are configured to perform selective decoding such that either a 7.1 channel output or a 5.1 channel output is generated.