Patent 11347832 was granted and assigned to Sony on May, 2022 by the United States Patent and Trademark Office.
A head related transfer function (HRTF), which can be considered as biometric data is used to authenticate a user from whom the HRTF is derived. The HRTF may be used for authentication in combination with other biometric data such as retina scan or fingerprint to render two-factor biometric authentication. The HRTF used for authentication is encrypted for security.