Audio-Assisted Biometric Enrollment Using Spatial Audio Cues
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Solution Overview
Problem
Existing biometric enrollment techniques for electronic devices are cumbersome and inefficient, leading to user error and excessive power consumption, particularly in battery-operated devices.
Innovation Solution
The use of audio-assisted methods that simulate sound localization to guide users in orienting their biometric features correctly, utilizing dual speakers to produce spatial audio cues that help align the user's face with the camera for efficient enrollment, reducing cognitive burden and power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If existing biometric enrollment techniques are used, then enrollment can be performed, but the process is cumbersome and time-consuming, leading to user error and excessive power consumption
Solution Approach 1:
The system provides real-time audio feedback to guide the user through the enrollment process. The processor monitors biometric feature orientation and produces audio signals that indicate whether the user is properly positioned, enabling rapid correction of misalignment without requiring repeated manual adjustments or complex visual interfaces.
Solution Approach 2:
The patent replaces complex visual and manual adjustment mechanisms with an audio-based guidance system. Instead of relying on visual displays and manual positioning, the system uses audio signals to communicate orientation status, simplifying the user interaction and reducing the time required for enrollment.
2Reliability
If existing biometric enrollment techniques are used, then enrollment can be performed, but power consumption increases, particularly in battery-operated devices
Solution Approach 1:
The system uses periodic audio checks to monitor enrollment progress rather than continuous monitoring. The processor periodically produces audio signals based on detected biometric orientation, allowing the system to maintain reliability while reducing power consumption by avoiding constant processing and display operations.
Solution Approach 2:
The system automatically detects biometric feature orientation and generates appropriate audio feedback without requiring active user input or complex processing. This self-service approach reduces the computational burden and power consumption while ensuring reliable enrollment completion.
3Ease of operation
If complex user interfaces are used for biometric enrollment, then detailed guidance can be provided, but user error increases and cognitive burden on the user increases
Solution Approach 1:
The patent substitutes complex visual interfaces with simple audio feedback mechanisms. The system uses audio signals to communicate orientation status, eliminating the need for users to interpret complex visual displays or navigate intricate menus, thereby reducing cognitive burden and minimizing user error while maintaining high reliability.
Solution Approach 2:
The system provides immediate audio feedback based on real-time detection of biometric orientation. This feedback mechanism guides users through the enrollment process intuitively, ensuring accurate positioning without requiring users to understand complex interface elements or provide manual adjustments.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach streamlines the biometric enrollment process, reducing user error and power usage by providing intuitive audio and haptic feedback, thus enhancing user satisfaction and device efficiency.
Implementation Method 1
Different techniques can be used to modify audio such that a listener perceives the audio that a device creates as coming from a particular point in space. The listener's perception can be used to guide user input
Data Source
AI summary
The present disclosure generally relates techniques for audio-assisted enrollment of biometric features. In some embodiments, methods and devices for assisting users with enrollment of biometric features, using spatial audio cues, are described.