Digital audio limiter
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United States of America Patent
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Nov 26, 1996
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N/A
app pub date -
Feb 16, 1993
filing date -
Feb 16, 1993
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Abstract
A signal processing system comprising components such as split-band perceptual coders can receive a peak amplitude limited input audio signal and can process the signal in such a manner that the processed signal preserves the apparent loudness of the input signal but is no longer peak-amplitude limited. In one embodiment, upsampling is used in estimating the resultant peak amplitude and gain factors established in response to the estimated peak amplitude are applied to one or more frequency subbands of the processed signal.
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