AUDIO DECODER FOR AUDIO CHANNEL RECONSTRUCTION
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United States of America
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Jan 16, 2020
app pub date -
Sep 26, 2019
filing date -
Sep 26, 2019
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Abstract
A method and apparatus for reconstructing N audio channels from M audio channels is disclosed. The method includes receiving a bitstream containing an encoded audio signal representing the M audio channels and decoding the encoded audio signal to obtain a frequency domain representation of the M audio channels. The method further includes extracting a parameter from the bitstream and reconstructing at least one of the N audio channels using the parameter. The parameter represents an angle between two signals, at least one of which is included in the M audio channels.
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