Virtual Assistant Voice Print Authentication for Third-Party Services
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Solution Overview
Problem
Third-party services cannot verify the identity of users for whom virtual assistants are acting, leading to the need for direct user authentication, which hinders the autonomy and utility of virtual assistants in performing tasks.
Innovation Solution
A method involving voice authentication, where a user's voice print is used to authenticate the user by matching a sample voice print with a reference voice print stored in a user account, with evidence of authentication provided to the remote service to initiate tasks without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a virtual assistant is used to perform tasks with a third-party service, then user convenience and automation are improved, but the third-party service cannot verify user identity, leading to security concerns and requiring direct user authentication
Solution Approach 1:
The system performs preliminary voice authentication by comparing the user's voice print with a stored reference voice print before the virtual assistant initiates the task with the third-party service. This advance verification ensures the virtual assistant is acting on behalf of the authorized user, resolving the identity verification issue while maintaining automation.
Solution Approach 2:
The patent introduces an intermediary authentication mechanism that acts as a mediator between the virtual assistant and the third-party service. Instead of requiring direct user authentication with the third party, the system uses voice print verification as an intermediate step to establish trust, allowing the virtual assistant to proceed with the task autonomously.
2Reliability
If direct user authentication is required by the third-party service, then security is improved, but user convenience and the utility of the virtual assistant deteriorate
Solution Approach 1:
The system implements self-service authentication where the user's voice print is automatically captured and verified without requiring manual intervention. The user simply needs to provide their voice command, and the system automatically completes the authentication process, maintaining both security and convenience.
Solution Approach 2:
The patent replaces traditional mechanical authentication methods (such as typing passwords or using physical tokens) with voice-based biometric authentication. This substitution maintains security verification while significantly improving ease of operation, as voice authentication is more convenient and natural for users.
3Extent of automation
If voice print authentication is implemented, then transparent user authentication is achieved, but the system must handle cases where voice authentication fails, requiring additional authentication methods
Solution Approach 1:
The authentication system is designed to be dynamic, adapting its complexity based on the authentication outcome. When voice print authentication succeeds, the process remains simple and transparent. When it fails or is unavailable, the system dynamically transitions to alternative authentication methods, balancing automation with robustness.
Solution Approach 2:
The system performs preliminary checks to determine whether voice authentication is available and likely to succeed before attempting it. This preliminary assessment allows the system to prepare alternative authentication paths in advance, reducing the overall complexity by avoiding unnecessary fallback procedures while maintaining transparent authentication for successful cases.
Data Source
AI summary
Certain aspects of the present disclosure provide techniques for receiving audio data comprising a user voice command; determining a task to be completed by a remote service based on the user voice command; determining that a reference voice print associated with the user is stored in a user account; authenticating the user by determining that a sample voice print based on the user voice command matches the reference voice print associated with the user; storing authentication evidence associated with the task; and providing proof of user authentication to the remote service in order to initiate the task with the remote service.