Vehicle Dialing Control via Speech Recognition State Feedback
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Solution Overview
Problem
The increasing diversification of vehicle functions leads to higher user operation loads, potentially reducing safe driving as users may struggle to operate complex systems, especially when speech recognition is not fully functional, resulting in interrupted operations.
Innovation Solution
A vehicle system that includes a speech input unit, a speech recognition unit, a control unit, and a display unit to manage dialing operations by recognizing user speech, displaying preparation states, and re-recognizing commands with a recognition phone book database to ensure seamless operation without interruption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If speech recognition technology is applied to perform dialing functions in a vehicle, then user operation load is reduced, but the system may not be fully prepared to execute the command, causing operation interruption
Solution Approach 1:
The system performs preliminary actions by checking terminal connection status, phone book data transmission, and recognition phone book database generation before executing the dialing command. This preparation state verification ensures the system is ready to carry out the user's speech command without interruption.
Solution Approach 2:
The system provides feedback to the user about the preparation state through the display unit, showing whether terminal connection, phone book data transmission, and database generation are completed. This feedback mechanism allows the user to understand the system's readiness status and prevents command execution before prerequisites are met.
2Reliability
If the system checks terminal connection and phone book data transmission before dialing, then dialing reliability is improved, but the system complexity increases
Solution Approach 1:
The control unit performs preliminary checks of terminal connection status, phone book data transmission, and recognition phone book database generation before executing dialing. These preparation steps are automatically executed in advance, ensuring reliability without requiring complex real-time decision-making during the dialing operation itself.
Solution Approach 2:
The system automatically manages the complexity of connection checking and data verification processes without requiring user intervention. The control unit self-manages the preparation state verification, terminal connection monitoring, and database readiness checks, simplifying the user interface while maintaining system reliability.
3Loss of information
If the system displays preparation state information to the user, then operation transparency is improved, but the user may experience additional information processing load
Solution Approach 1:
The display unit provides localized, context-specific information about the preparation state, showing only the relevant status of terminal connection, phone book data transmission, and database generation. This targeted information display avoids overwhelming the user with unnecessary details while maintaining operational transparency.
Solution Approach 2:
The system uses visual indicators such as different display states or colors to represent preparation status (e.g., completed vs. pending items), making the information easily distinguishable and reducing the cognitive load required to process the system state.
Data Source
AI summary
A vehicle connected to a terminal of a user to perform dialing includes a speech input unit that receives a speech of the user, a speech recognition unit that recognizes a command included in the received speech, a control unit that determines a preparation state for performing the dialing, and a display unit that displays information about the preparation state when preparation for performing the dialing is not completed.