MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202441031098 A) filed by Hitachi, Ltd. on April 18, 2024, for Method And System For Determining Spoofing Of Audio Signals.
Inventors include Shreyas Kulkarni; Mayurakshi Mukherji; Vivek Kumar; Senthil Raja Gunaseela Boopathy; and Kingshuk Banerjee.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: METHOD AND SYSTEM FOR DETERMINING SPOOFING OF AUDIO SIGNALS ABSTRACT The present disclosure relates to a method (300) and system (101) for determining spoofing of 5 audio signals. The method (300) comprises of receiving (301) an audio signal. The method (300) comprises of extracting (303) a plurality of features from the audio signal. The method (300) comprises of applying (305) a plurality of first mask values to the plurality of features. The plurality of first mask values are determined based on a loss function associated with training an Artificial Intelligence (AI) model. Each of the plurality of first mask values comprises a spoofing 10 attack of a plurality of spoofing attacks. The method (300) comprises of determining (307) a spoofing attack from the plurality of spoofing attacks using the AI model based on the plurality of masked features
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