ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,078, issued on Jan. 20, was assigned to Harman Becker Automotive Systems GmbH (Karlsbad, Germany).
"Noise suppression for speech enhancement" was invented by Vasudev Kandade Rajan (Straubing, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A noise suppression method includes transforming a time-domain input signal into an input spectrum that is the spectrum of the input signal, the input signal comprising speech components and noise components, and the input spectrum comprising a speech spectrum that is the spectrum of the speech components and a noise spectrum that is the spectrum of the noise components, smoothing magnitudes of the input sp...