Abstract: Provided are a multi-channel encoding and decoding method and apparatus capable of encoding and decoding residual signal by removing redundant information between a plurality of channels without a downmixed signal. In the method and apparatus, a reference signal which is to be used for encoding from a plurality of channel signals, the phase differences between the respective channel signals and the reference signal, gains which are the ratios of the amplitudes of the respective channel signals to the amplitude of the reference signal, and residual signals which correspond to differences between predicted signals and the actual channel signals, are encoded or decoded. The predicted signals are obtained by applying the phase differences and gains to the reference signal.
Type:
Application
Filed:
July 13, 2009
Publication date:
January 21, 2010
Applicants:
SAMSUNG ELECTRONICS CO., LTD., St. Petersburg State University of Information Technologies Mechanics, and Optics
Inventors:
Jung-hoe Kim, Ki-hyun Choo, Kirill Yurkov, Boris Kudryashov