In one embodiment, the method includes receiving the audio signal including a block of audio data partitioned into N sub-blocks, and restoring a plurality of code parameters s(0), s(1), . . . , s(N−1), respectively. The restoring step includes detecting s(0) from the audio signal, where s(0) represents...http://www.google.com/patents/US8065158?utm_source=gb-gplus-sharePatent US8065158 - Apparatus and method of processing an audio signal
