Audio decoder for audio channel reconstruction
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United States of America Patent
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Aug 27, 2024
Grant Date -
Oct 26, 2023
app pub date -
May 3, 2023
filing date -
Apr 16, 2004
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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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