MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202647071951 A) filed by Google LLC on June 10, 2026, for Removal Of Spatial Artifacts From Audio.
Inventors include Tzinis, Efthymios; Getreuer, Pascal; Dalton, Robert; Hershey, John; Kim, Moonseok; and Wisdom, Scott.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: An audio application determines a left magnitude of the audio source (LSk) and a right magnitude of the audio source (RSk). The audio application determines an amplitude difference (Dk). The audio application calculates a temporal derivative d(Dk) of the Dk. The audio application determines an average of LSk and RSk to obtain a mid-channel spectrogram (MCSk). The audio application normalizes the MCSk to obtain a normalized value (Rk). The audio application divides d(DK) by Rk to obtain a confidence map. The audio application computes a blending weight by scaling and clipping the confidence map. The audio application combines the MCSk, the blending weight, and the Lt to obtain a left modified channel, and combining the MCSk, the blending weight, and the Rt to obtain a right modified channel.
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