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AssigneeSony Corporation
InventorsShiro Suzuki, Minoru Tsuji, Keisuke Toyama
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Coding is made possible with higher efficiency while the listener is prevented from feeling a sense of incongruity. An adaptive mixing section performs a mixing process on input signals on the basis of distortion factor information supplied from a distortion factor detection section, and controls the operation time of MS stereo coding or IS stereo coding. Furthermore, the adaptive mixing section creates power correction information in accordance with a mixing coefficient, and causes power correction to be performed during reproduction. A coding control section selects a coding method of a coding process performed in a coding section and supplies it to the coding section. The coding section selects dual coding, MS stereo coding, or IS stereo coding in accordance with the instructions from the coding control section, and codes a spectrum signal supplied from a domain conversion section.
A coding device for coding an input signal, comprising:
A coding method for coding an input signal, comprising:
A recording medium having recorded thereon a computer-readable program, said program comprising:
A decoding device for decoding a code sequence coded by a predetermined coding method, said decoding device comprising:
A decoding method for decoding a code sequence coded by a predetermined coding method, said decoding method comprising:
A recording medium having recorded thereon a computer-readable program, said program comprising:
Dependencies are inferred from the claim text.