In one embodiment, at least one audio data frame having at least one channel is generated. Each channel is divided into a plurality of blocks. A sub-block partitioning scheme is selected, and a number of sub-blocks into which the block is to be partitioned is selected. The selected number of sub-blocks...http://www.google.com/patents/US7835917?utm_source=gb-gplus-sharePatent US7835917 - Apparatus and method of processing an audio signal
