US Patent Issued to PEXIP AS on April 15 for "Method and audio processing device for voice anonymization" (Norwegian Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,949, issued on April 15, was assigned to PEXIP AS (Oslo, Norway).

"Method and audio processing device for voice anonymization" was invented by Knut Inge Hvidsten (Oslo, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and audio processing device for voice anonymization in an audio- or videoconferencing session. The method comprises receiving a plurality of input audio samples comprising speech, calculating a frequency spectrum of each the plurality of input audio samples, calculating a smoothed spectral magnitude envelope of a first of the plurality of frequency spectrums to determine a plurality of formant features of the speech, each ...