In-Vehicle Voice Input Prioritizing Content by Biological State
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Solution Overview
Problem
Conventional content providing systems do not accurately identify user desires based on conversation environment and lack user convenience in providing appropriate content.
Innovation Solution
An in-vehicle device with a voice input receiving unit, output control unit, and content execution unit that receives voice inputs, converts them into text, and prioritizes content candidates based on biological state information to provide relevant content to the user.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If content is selected based on conversation environment analysis (sound volume and frequency), then the system can adapt content to environmental conditions, but the accuracy of identifying user-desired content is insufficient
Solution Approach 1:
The patent segments the content selection process into multiple independent analysis dimensions: conversation environment analysis (sound volume, frequency), user state analysis (biological information), and content candidate evaluation. Each dimension processes specific features separately and contributes to the overall content selection, allowing environmental adaptation while maintaining accurate content identification through multi-faceted analysis.
2Productivity
If the system provides content based on general conversation analysis, then it can offer basic content recommendations, but it lacks user convenience in providing appropriate content
Solution Approach 1:
The patent implements feedback mechanisms where the system continuously monitors user responses to presented content candidates and adjusts subsequent content recommendations accordingly. The biological information acquisition device provides real-time feedback on user state, and the system refines content selection based on this feedback, improving both efficiency and user convenience through iterative optimization.
Solution Approach 2:
The system performs preliminary analysis of user state and conversation environment before content is actually needed, pre-processing biological information and environmental data to prepare content candidates in advance. This preliminary action reduces response time and enhances user convenience by having ready-to-present content options when needed.
3Adaptability or versatility
If the system outputs multiple content candidates in order of priority, then it provides comprehensive options to the user, but it increases the complexity of content selection
Solution Approach 1:
The patent applies local quality by presenting different numbers and types of content candidates in different situations based on user state and environmental conditions. When user state indicates high attention or specific needs, fewer highly-prioritized candidates are presented. When user state allows for broader exploration, more diverse candidates are offered. This localized adaptation of presentation complexity reduces overall system complexity while maintaining versatility.
Data Source
AI summary
An in-vehicle device according to the present invention includes a voice input receiving unit that receives input information with a voice, an output control unit that transmits the input information to a predetermined external device, and then outputs a plurality of received content candidates according to order of a priority degree of the content candidates, and a content execution unit that executes the content candidate upon receipt of specification of any of the output content candidates.