Display Device Voice Guidance for Accessibility

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Solution Overview

Problem

Users with vision problems face difficulties in acquiring information from voice-controlled display devices, as results are often visually outputted without adequate auditory guidance, making it hard to navigate and select desired information.

Innovation Solution

A display device with a voice guidance function that provides auditory feedback for voice results, including recommended queries, allowing users to control the device solely through voice commands without visual reliance, by outputting voice results and feedback through both the display and audio units, with customizable settings for voice guidance on and off.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If voice results are provided only through visual display, then information can be presented to users, but users with vision problems cannot acquire the information effectively

Engineering Contradiction:
Improveinformation acquisition reliabilityVSAvoidease of operation for visually impaired users
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The display device is designed to output voice results through multiple channels: both visual display and audio output. This multi-functional approach ensures that the device can serve both visually able users (who can use visual display) and visually impaired users (who can use audio output), making the system universally accessible to different user groups with different needs

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If voice guidance function is added to provide auditory feedback, then accessibility for visually impaired users is improved, but device complexity increases

Engineering Contradiction:
Improveease of operation for visually impaired usersVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The voice guidance function is merged with the existing voice command recognition system. The control unit that already processes voice commands is extended to also provide voice feedback and guidance. By combining the command recognition and guidance provision functions into a single integrated system, the patent avoids adding separate complex subsystems, thereby reducing the overall device complexity while still providing the needed accessibility features

Inventive Principle:
Principle #5Merging (Combining)

3Loss of information

If detailed voice feedback is provided for all voice results, then information completeness is improved, but information overload occurs making it harder to find desired information

Engineering Contradiction:
Improveinformation completenessVSAvoidease of navigation
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The voice feedback is segmented into different types: essential information (what was recognized), additional information (related content or suggestions), and navigational information (how to proceed). The control unit selectively outputs only the necessary segments based on the context and user needs. This segmentation allows comprehensive information to be available while preventing overload by presenting only relevant portions at each interaction stage

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250004708A1Display device
Publication Date: 2025.01.02 LG ELECTRONICS INC
  • US20250004708A1 patent drawing
  • US20250004708A1 patent drawing
  • US20250004708A1 patent drawing

AI summary

A display device according to an embodiment of the present disclosure comprises: a display; an audio output unit; a voice acquisition unit that acquires a voice command; and a control unit that outputs a voice result according to the voice command through at least one of the display or the audio output unit, wherein, when a voice guidance function for the voice result is set to ON, the control unit may further output voice feedback for the voice result.