Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 4, 2010
Patent Application Number
11013963
Date Filed
December 16, 2004
Patent Primary Examiner
Patent abstract
Embodiments of noise reduction systems and methods are disclosed. One method embodiment, among others, comprises transforming a residual signal to produce transform coefficients, and applying the transform coefficients to a quantization matrix and a configurable gain matrix to provide a frequency-selective weighting of the transform coefficients having a gain that is sensitive to noise levels.
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