Wearable Voice Authentication for Reliable Command Control
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Solution Overview
Problem
Ambient noise interferes with voice commands in wearable devices, leading to inaccurate control and potential harm to users, especially in devices like hearing aids, due to unintended volume changes or loud sound playback.
Innovation Solution
A wearable device authenticates the user by generating a challenge key-phrase, rendering it as a message, and verifying the user's response to ensure accurate voice command execution, thereby preventing unintended device activation or deactivation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If voice command recognition is enabled in wearable devices, then ease of operation is improved, but reliability deteriorates due to ambient noise interference causing accidental activations
Solution Approach 1:
The system performs preliminary voice print authentication before executing voice commands. The user's voice print is captured and stored in advance, then compared against incoming voice commands to verify authenticity. This preliminary verification step prevents accidental activations caused by ambient noise while maintaining ease of voice-controlled operation.
2Productivity
If speakers in wearable devices play sound loudly, then productivity is improved through better audio output, but object-affected harmful factors increase due to potential hearing damage
Solution Approach 1:
The system continuously monitors the user's voice characteristics and provides feedback to dynamically adjust speaker volume. By analyzing the user's speech patterns and environmental noise levels, the system automatically optimizes audio output to maintain productivity while preventing harmful volume levels that could damage hearing.
Data Source
AI summary
A wearable device and method for control of the wearable device based on a voice of a verified user is provided. The wearable device receives a first user input and generates a challenge key-phrase based on the first user input. The wearable device renders a message including the challenge key-phrase through an audio output device of the wearable device. The wearable device captures first audio signals corresponding to the rendered message and determines whether the first audio signals include the challenge key-phrase. The wearable device verifies a user if the first audio signals include the challenge key-phrase. The wearable device captures second audio signals corresponding to a second user input including a voice command, based on the verification of the user. The wearable device controls a feature or a setting of the wearable device or an electronic device associated with the wearable device, based on the voice command.