Patent ID: 8744088
Filing Date: 2014-06-03
Classification: H04S

Abstract:
1. A method of decoding an input signal comprising compressed multi-channel signals as a mono or stereo signal, the method comprising: receiving the input signal and information on channel level differences (CLDs) between channels represented in the input signal; calculating a full band channel level (FBCL) for each channel represented in the input signal based on the CLDs; performing binaural synthesis by localizing data of each represented channel in directions corresponding to respective represented channels based on calculated FBCLs for the represented channels, in the input signal; and outputting synthesized 2-channel binaural signals, wherein the FBCLs are calculated by respectively multiplying a CLD by a weighted level of a band, in the frequency domain such that CLDs having different values are individually adjusted to a constant level across a full band.