AUDIO PROCESSING WITH TIME ADVANCED INSERTED PAYLOAD SIGNAL
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United States of America Patent
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app pub date -
Sep 20, 2011
filing date -
Oct 28, 2005
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Abandoned
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Abstract
An audio processing apparatus for modifying a primary audio signal includes a modulator that increases or decreases a level of a noise signal generated by a noise generator, in response to an increase or a decrease of a detected signal level of the primary audio signal, to generate a modulated noise signal. The apparatus further includes a combiner that combines the primary audio signal and the modulated noise signal. The modulator operates, with respect to a signal delayer, to time-advance a decrease in the level of said noise signal based on a corresponding decrease in the signal level of the primary audio signal.
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