Context-Aware Voice Guidance for Overlapping Voice Services
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Solution Overview
Problem
Current map-based applications face challenges in providing efficient and user-friendly navigation due to the processing-intensive demands of 3D maps, leading to slow and inefficient performance, which limits their usability.
Innovation Solution
A navigation application with a touch-sensitive screen and multi-touch interface that offers multiple views, including 2D and 3D turn-by-turn navigation, realistic road signs, dynamic instruction generation, voice recognition navigation, and integration with other routing applications, along with adaptive UI controls and gestural inputs to enhance user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If 3D maps are used to provide immersive navigation views, then the visual realism and user engagement are improved, but the processing demands increase causing slow and inefficient performance
Solution Approach 1:
The navigation application segments the map rendering into different levels of detail and complexity. 3D views are rendered only when needed and at appropriate zoom levels, while 2D maps are used for overview and routing. This segmentation allows the system to maintain visual realism where needed while preserving overall performance efficiency.
Solution Approach 2:
The application dynamically switches between 2D and 3D map views based on user interaction, zoom level, and navigation context. The 3D perspective rendering position is adjustable and transitions smoothly between views. This dynamic adaptation allows the system to optimize processing demands while maintaining visual engagement when appropriate.
2Adaptability or versatility
If multiple navigation views and features are integrated into a single application, then the versatility and user experience are improved, but the device complexity increases
Solution Approach 1:
The navigation application integrates multiple functions including 2D/3D map viewing, turn-by-turn navigation, route planning, points of interest search, and background navigation operations within a single unified application. The virtual camera system serves multiple purposes by adjusting perspective for both aesthetic 3D views and functional 2D navigation displays.
Solution Approach 2:
The application merges previously separate navigation features into a unified interface. The 3D control integrates map viewing, navigation mode switching, and perspective adjustment. The virtual camera system combines rendering control with user interface functionality, reducing the need for separate controls and simplifying the overall device architecture.
Data Source
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AI summary
A context-aware voice guidance method is provided that interacts with other voice services of a user device. The voice guidance does not provide audible guidance while the user is making a verbal request to any of the voice-activated services. Instead, the voice guidance transcribes its output on the screen while the verbal requests from the user are received. In some embodiments, the voice guidance only provides a short warning sound to get the user's attention while the user is speaking on a phone call or another voice-activated service is providing audible response to the user's inquires. The voice guidance in some embodiments distinguishes between music that can be ducked and spoken words, for example from an audiobook, that the user wants to pause instead of being skipped. The voice guidance ducks music but pauses spoken words of an audio book in order to provide voice guidance to the user.