Dong Soo, Kim, Hee Suk, Pang, Jae Hyun, Lim, Sung Yong, Yoon and Lee, Hyunkook (2013) Methods and apparatuses for encoding and decoding object based audio signals. US8504376.

An audio encoding method and apparatus and an audio decoding method and apparatus are provided. The audio signal decoding method includes extracting a downmix signal and object-based side information from an audio signal; generating a modified downmix signal based on the downmix signal and extracted information which is extracted from the object-based side information; generating channel-based side information based on the object-based side information and control data for rendering the downmix signal; and generating a multi-channel audio signal based on the modified downmix signal and the channel-based side information.

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