In one embodiment, the method includes receiving audio frame data having at least first and second channel data. The first and second channel data includes a plurality of blocks, where the blocks are classified by a block type. Block information indicating the block type is obtained. The block information...http://www.google.com.au/patents/US8149877?utm_source=gb-gplus-sharePatent US8149877 - Apparatus and method of encoding and decoding audio signal
