Display Device Audio Routing for External Input Optimization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional display devices cannot optimize audio output for external inputs, as they typically use only the built-in speaker, failing to provide preferred sound quality for users.
Innovation Solution
A display device and method that allow users to set and output audio from an external input device to a specific audio output device, automatically selecting based on the type of external device or media content, enabling better sound quality and user preference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If audio from external inputs is output through only the built-in speaker, then the device structure remains simple, but the sound quality cannot be optimized for user preference
Solution Approach 1:
The system automatically detects the type of external input device and autonomously selects the most appropriate audio output device without requiring manual user configuration. For example, when a game console is detected, the system automatically routes audio to the sound bar, eliminating the need for users to manually configure audio settings while achieving optimized sound quality
Solution Approach 2:
The system pre-configures audio output mappings for different external device types during system initialization or device pairing. Audio routing rules are established in advance based on device categories (e.g., game consoles → sound bar, media players → TV speaker), so that when an external device is connected, the appropriate audio output is already prepared and immediately activated
2Reliability
If manual audio output device selection is implemented for each external input, then audio quality can be optimized, but the operation becomes complex and time-consuming
Solution Approach 1:
The control unit automatically identifies the external input device type through device detection protocols and autonomously configures the corresponding audio output device. The system performs self-configuration by matching detected device types with pre-defined audio routing rules, eliminating manual user intervention while ensuring optimized audio output for each device category
Solution Approach 2:
The system continuously monitors the connection status and type of external devices, and automatically adjusts audio routing based on real-time device detection feedback. When a device is connected or disconnected, the system receives feedback about the current state and automatically reconfigures audio output paths to maintain optimal sound quality without requiring user input
3Adaptability or versatility
If automatic audio output device selection is implemented, then user preference can be matched, but the control logic becomes more complex
Solution Approach 1:
The system divides external devices into distinct categories (e.g., game consoles, media players, audio devices, general computers) and assigns specific audio output routing rules to each category. This segmentation allows the control logic to handle different device types through standardized, pre-defined rules rather than requiring complex individual configuration for each device, simplifying the overall control architecture while maintaining high adaptability
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A display device includes: a display unit configured to display a list including a plurality of external input items; an external device interface unit configured to receive at least one of an image signal and an audio signal output from an external input device; and a control unit configured to control the display unit and the external device interface, wherein the control unit receives a command for selecting one from the plurality of external input items, and transmits, to an audio output device corresponding to the selected external input item, an audio signal input from an external input device corresponding to the selected external input item according to the received command.