Voice Recognition Navigation Input via Mobile Radio Link
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Solution Overview
Problem
Current navigation systems require manual input of navigational target data, which can distract users and is not user-friendly, especially for drivers, as they need to enter addresses in text form using keyboards or other input methods.
Innovation Solution
A method utilizing a mobile radio voice link for inputting navigational target data through voice recognition, where voice signals are processed to recognize spoken words, compared with navigation database entries, and the corresponding target is automatically input into the navigation system, allowing for voice-to-text conversion and acoustic output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual text input methods (keyboards, touch screens) are used for navigation target data, then input accuracy is maintained, but user distraction and operational complexity increase
Solution Approach 1:
The patent replaces manual mechanical input methods (keyboards, touch screens) with voice-based acoustic input. The navigation system captures voice signals, converts them to text through speech-to-text conversion, and processes the navigational target data automatically, eliminating the need for manual typing or touching during driving.
Solution Approach 2:
The system enables self-service input by automatically processing voice signals into navigational targets. The speech-to-text conversion and target identification occur automatically without requiring manual intervention, allowing the system to serve itself in capturing and processing navigation data.
2Ease of operation
If automated voice recognition input is implemented, then user distraction is reduced, but system complexity increases
Solution Approach 1:
The patent integrates multiple functions into the navigation system: voice signal capture, speech-to-text conversion, text processing, and navigational target identification. These previously separate functions are combined into a unified system that handles the complete input process automatically, managing complexity through functional integration.
Solution Approach 2:
The speech-to-text conversion system acts as an intermediary between the voice input and the navigation system's text processing capabilities. This intermediary component bridges the gap between acoustic signals and structured navigation data, managing the complexity of voice recognition through a dedicated conversion layer.
3Productivity
If voice recognition with speech-to-text conversion is used, then input speed is improved, but recognition accuracy may be compromised
Solution Approach 1:
The system employs feedback mechanisms where the recognized text and identified navigational targets are presented to the user for confirmation. This allows correction of recognition errors and ensures accuracy while maintaining the speed benefits of voice input, as users can verify and adjust results quickly without manual retyping.
Data Source
AI summary
For the input of navigational target data into a navigation system by way of a facility for a mobile radio voice link, voice signals or signals derived therefrom, transmitted via the mobile radio voice link, are processed by a voice recognition device for recognizing spoken words. By way of at least one word recognized during this process, a comparison of targets with navigational target entries in a navigation database takes place. In the case of a positive result of the comparison, the corresponding navigational target entry is provided for input as navigation target in the navigation system.