Patent ID: 8064608
Filing Date: 2011-11-22
Classification: G10L,H04R,H04S

Abstract:
1. A device comprising: a memory to store encoded audio information; and a decoder unit to decode the encoded information, wherein the decoder unit is operable to: decode a first channel of the audio information; compute an inverse modified discrete cosine transform (IMDCT) for the first channel prior to calculating mid-side (MS) stereo information; decode a second channel of the audio information; compute an IMDCT for the second channel prior to calculating the MS stereo information; calculate the MS stereo information using the IMDCTs for the first and second channels, wherein the MS stereo information comprises left channel information and right channel information, and wherein the left channel information is calculated using the IMDCT for the first channel and the IMDCT for the second channel, and the right channel information is calculated using the IMDCT for the first channel and the IMDCT for the second channel; and output the MS stereo information.