Voice Interaction Handoff via Personal Devices in Noisy Public Robots
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Solution Overview
Problem
Voice recognition in public mobile robots is hindered by noisy environments and user preferences for avoiding direct interaction, especially in crowded spaces and during pandemics.
Innovation Solution
An electronic device equipped with a camera module, short-range communication, and a processor that identifies users and, if direct voice interaction is not feasible, uses external devices for voice recognition through a server, enabling interaction via external electronic devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If direct voice interaction is used in public spaces, then the robot can provide voice recognition services, but the recognition rate deteriorates in noisy environments
Solution Approach 1:
The patent introduces an external electronic device as an intermediary between the user and the robot. The external device receives the user's voice input and transmits it to the robot, allowing the interaction to occur in a controlled environment away from noisy public spaces, thus maintaining high voice recognition accuracy while preserving the ability to provide voice-based services
2Ease of operation
If direct voice interaction is implemented, then user commands can be recognized, but user privacy and comfort deteriorate in crowded spaces
Solution Approach 1:
The external electronic device serves as a private intermediary that allows users to input commands in a controlled, private setting rather than in crowded public spaces. This maintains ease of operation through voice commands while protecting user privacy by avoiding direct interaction in environments where privacy concerns arise
3Adaptability or versatility
If direct voice interaction is used, then interaction can occur, but interaction effectiveness deteriorates when users want to avoid direct interaction
Solution Approach 1:
The external electronic device acts as a mediator that enables interaction without requiring direct face-to-face voice interaction. Users can comfortably provide voice inputs through their personal devices while the robot receives and processes these inputs, maintaining interaction capability while respecting user comfort preferences
Solution Approach 2:
Instead of the robot directly receiving voice input from the user in public space, the system inverts the interaction flow: the user's external device captures the voice input and transmits it to the robot. This reversal allows interaction to occur without the discomfort of direct public interaction
Data Source
AI summary
An electronic device can include a microphone; a camera module; a short-range communication module supporting short-range wireless communication; a communication module configured to communicate with a voice recognition server; a memory; and a processor. The processor may be configured to: identify whether an object accessing the electronic device is a user; determine whether a voice interaction condition is satisfied on the basis of context information; when the user's access is identified, if the voice interaction condition is satisfied, receive user voice from the microphone, and if the voice interaction condition is not satisfied, output external interaction information that enables an external electronic device to interact with the voice recognition server by using the short-range communication module; receive user voice analysis information from the voice recognition server by using the communication module; and perform at least one operation on the basis of the received user voice analysis information.