Patent ID: 9042559
Filing Date: 2015-05-26
Classification: G10L,G11B,H04S

Abstract:
1. A method of processing an audio signal, the method comprising: receiving a downmix signal and side information; extracting control restriction information and off-enable information from the side information; receiving control information for controlling gain or panning at least one object signal; generating at least one of first multi-channel information or first downmix processing information based on the off-enable information, the control information and object information, without using the control restriction information; and, generating an output signal by applying the at least one of the first multichannel information or the first downmix processing information to the downmix signal, wherein the control restriction information relates to a parameter indicating limiting degree of the control information, and wherein the off-enable information indicates whether the control restriction information must be used or may be used selectively.