Abstract
PROBLEM TO BE SOLVED: To provide an apparatus and method for encoding/decoding for high frequency bandwidth extension.
SOLUTION: The invention relates to a method and apparatus for performing coding and decoding for high-frequency bandwidth extension. The coding apparatus may down-sample an input signal perform core coding on the down-sampled input signal perform frequency transformation on the input signal and perform bandwidth extension coding by using a base signal of the input signal in a frequency domain.
SELECTED DRAWING: Figure 2A
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