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US Patent 7949522 System for suppressing rain noise

Patent 7949522 was granted and assigned to Qnx Software Systems on May, 2011 by the United States Patent and Trademark Office.

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Patent abstract

A voice enhancement logic improves the perceptual quality of a processed signal. The voice enhancement system includes a noise detector and a noise attenuator. The noise detector detects and models the noise associated with rain. The noise attenuator dampens or reduces the rain noise from a signal to improve the intelligibility of an unvoiced, a fully voiced, or a mixed voice segment.

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