Voice Biometric Authentication for Virtual Avatars
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Solution Overview
Problem
Current virtual universe and web-based services lack interoperability, with limited ability to exchange information seamlessly, and voice communication is not consistently available for authentication and identification in online activities.
Innovation Solution
Implementing voice biometrics to identify and authenticate avatars by creating a voiceprint, which can be used across different online services, enabling seamless transitions and enhanced security through voice recognition and authentication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional authentication methods are used in virtual universes and web-based services, then interoperability between different platforms is limited, but implementing voice biometrics across multiple platforms increases system complexity
Solution Approach 1:
The voice biometric system is designed to function universally across multiple platforms including virtual universes and web-based services. The voiceprint creation and authentication mechanisms are platform-agnostic, allowing the same authentication system to operate in diverse environments without requiring platform-specific implementations, thereby achieving interoperability while managing complexity through standardized processes.
2Measurement precision
If voice biometrics are implemented for authentication, then user identification accuracy is improved, but processing time for voiceprint creation and verification increases
Solution Approach 1:
The system creates voiceprints in advance during user enrollment or initial interactions, storing these biometric templates for future authentication. This preliminary action allows the system to perform complex voice analysis once during enrollment rather than repeatedly during each authentication event, significantly reducing processing time during actual login or verification moments while maintaining high identification accuracy.
3Ease of operation
If voice communication is made available across all online activities, then user experience is enhanced, but security risks from voice-based authentication increase
Solution Approach 1:
The system introduces voiceprints as an intermediary layer between the user and authentication decisions. Instead of directly using raw voice communications for security decisions, the system processes voice inputs through voiceprint matching algorithms that compare against stored templates. This intermediary processing layer enhances security by providing more reliable verification while still maintaining ease of operation through natural voice-based authentication.
Data Source
AI summary
Mechanisms are provided for utilizing a voiceprint to authorize a user to perform an operation restricted to authorized users. A voiceprint is stored in an audio attribute file and is associated with a user. Based on a comparison of this voiceprint and an utterance provided by the user, an identification of the user is accomplished. If the utterance matches the voiceprint, the user is permitted to access services or perform operations. The audio attribute file may be transmitted from one virtual environment to another based on the detected movement of the user's avatar between virtual environments. As such, the recipient computing device may use the audio attribute file to identify the user in the new virtual environment.