VR Video Display System with Guided Question Modes
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Solution Overview
Problem
Existing VR display systems require high ICT competence, making it difficult for a diverse range of users, including the elderly and children, to participate effectively in virtual reality experiences, and lack features to manage interactions, accommodate multiple languages, and support private conversations.
Innovation Solution
A video display system with a VR system, explainer terminal, video distributor, and audio conversation unit, controlled by a controller to manage operation modes allowing or disallowing questions, and display information specifying the mode, along with features for simple user interfaces, bad-mannered user management, and multi-language support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a VR system allows free questioning and interaction between participants and explainers, then user engagement and learning effectiveness improve, but system complexity and difficulty of operation increase
Solution Approach 1:
The system segments interaction control into distinct operational modes (free interaction mode, explanation mode, listening mode) that can be selectively activated. This segmentation simplifies user operation by presenting only relevant controls for the current mode while maintaining comprehensive interaction capabilities when needed.
Solution Approach 2:
The system dynamically adjusts its operational state based on the current activity phase. The controller automatically transitions between modes (e.g., from free interaction to explanation mode when an explainer begins speaking), adapting the system's behavior to match the instructional flow and reducing the cognitive load on users.
2Adaptability or versatility
If the system provides comprehensive interaction controls and features, then user engagement improves, but ease of operation deteriorates
Solution Approach 1:
The operational mode controller serves multiple functions: it manages interaction permissions, controls audio routing, displays mode information, and coordinates between different system components. This multi-functionality consolidates what would otherwise require multiple separate controls into a single unified system, maintaining versatility while simplifying operation.
Solution Approach 2:
The system provides visual feedback through the display device that shows the current operational mode to all participants. This feedback mechanism ensures users understand the current interaction state (e.g., whether questioning is permitted), eliminating the need for complex control interfaces by making system state transparent.
3Reliability
If the system manages multiple operational states and interaction protocols, then interaction quality improves, but device complexity increases
Solution Approach 1:
The system merges the control of multiple operational states (free interaction, explanation, listening modes) into a single unified controller that manages all interaction protocols. This consolidation reduces device complexity by eliminating the need for separate control mechanisms for each state while maintaining reliable interaction management through centralized control.
Data Source
AI summary
A video display system includes: a VR system including a display that displays a VR space to a participant who participates in a VR experience, and an audio processor that receives and outputs voice; an explainer terminal that receives and outputs voice from and to an explainer who provides an explanation to the participant in the VR space; a video distributor that distributes a 360-degree video for the VR space to the VR system; an audio conversation unit that assists an audio conversation between the participant and the explainer; and a controller that manages an operation mode that selectively takes a first state in which questions from the participant to the explainer are not allowed, a second state in which questions are allowed, and a third state in which a question is being asked, and causes the VR system to display information specifying the operation mode on the display.