Method of transmitting or storing digitalized, multi-channel audio signals
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United States of America Patent
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Oct 28, 1997
Grant Date -
N/A
app pub date -
Nov 21, 1994
filing date -
Mar 24, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In order to transmit or to store digitalized, multi-channel audio signals which are digitally represented by a plurality of spectral subband signals, at an encoder, subband signals of different audio channels but having the same frequency position are combined across channels according to a dynamic control signal. This control signal is derived from several audio channels by an audio signal analysis based on a psycho-acoustic binaural model. At a decoder, the subband signals of several audio channels but having the same frequency position are dissociated across channels according to a control value derived from the dynamic control signal, transmitted or stored therewith.
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