Payment Card Speaker Identification Voice Print Activation
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Solution Overview
Problem
Current payment card activation systems are vulnerable to fraudulent transactions due to the ease with which unauthorized individuals can activate deactivated cards using obtainable personal information, leading to financial losses and administrative burdens for credit providers, vendors, and card holders.
Innovation Solution
Implementing speaker identification and verification (SIV) speech processing techniques to activate payment cards by embedding a voice print within the card, which requires speech input from the authorized user to match the stored voice print for activation and deactivation, thereby ensuring secure internal state changes between enabled and disabled states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional personal information is used for card activation, then the activation process is simple and accessible, but the system becomes vulnerable to fraudulent activation by unauthorized individuals
Solution Approach 1:
The patent replaces traditional mechanical/password-based activation systems with biometric voice recognition technology. The voice print analysis system extracts and compares vocal characteristics to verify the cardholder's identity, substituting vulnerable personal information verification with more secure biometric authentication while maintaining user accessibility
Solution Approach 2:
The system changes the authentication parameter from static personal information (which can be obtained through web searches) to dynamic biometric voice characteristics. The voice print extraction and comparison process analyzes multiple vocal parameters simultaneously, making fraud prevention more robust while keeping the activation process simple for authorized users
2Reliability
If speech-based verification is implemented, then fraudulent transactions are reduced, but the activation system becomes more complex
Solution Approach 1:
The patent extracts the voice print analysis functionality into a separate, dedicated module within the card system. By isolating the speech processing and biometric verification components, the system manages complexity more effectively while maintaining robust fraud prevention capabilities
Solution Approach 2:
The voice recognition system is designed to perform multiple functions: initial card activation, verification of cardholder identity, and detection of unauthorized use. This multi-functionality justifies the added complexity by providing comprehensive security across different operational scenarios
3Extent of automation
If the card requires external server verification for activation, then centralized control is maintained, but the system is more vulnerable to centralized security breaches
Solution Approach 1:
The patent segments the activation verification process by embedding voice print analysis capabilities directly in the card device itself. This distributes the security function from a centralized server to the individual card, creating multiple independent security nodes that are less vulnerable to centralized breaches while maintaining automated control
Data Source
AI summary
The present invention discloses a payment card that uses speaker identification and verification (SIV) speech processing techniques for activation purposes and to deactivate the payment card based upon the card user input to the payment card. For example, the invention can initially identify a payment card in a deactivated state, which is an internal state of the payment card. Speech input can then be received. Speech characteristics of the speech input can be determined and compared against a voice print of an authorized card user. The payment card can be selectively activated based on comparison results. That is, when the voice print and the speech characteristics match, the payment card can be activated. Otherwise, the card will remain deactivated. An activated payment card is one that has undergone an internal state change from the deactivated state. For example, when activated a credit card number can appear in a display and a magnetic strip can contain payment information, neither of which are present in the deactivated state.