Spliced Screen Speaker Allocation for Low-Interference Audio
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Solution Overview
Problem
Conventional spliced screens face issues with speaker resource waste and interference due to external audio devices, leading to poor audio play effects and user experience.
Innovation Solution
A method for constructing a speaker system using speakers from each screen in a spliced setup, allocating channel types to form a stereophonic play mode, and managing audio distribution to prevent interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If speakers of each screen are directly used to play audio, then speaker resources are utilized, but speakers of different screens cause interference during playing, resulting in poor play effect
Solution Approach 1:
The audio system is segmented into multiple independent speaker groups, each corresponding to a specific screen. The host device allocates audio data to specific screens rather than broadcasting to all speakers simultaneously. This segmentation allows each screen's speaker to play audio independently without interference from other screens' speakers, while still utilizing the speaker resources of each screen effectively.
2Reliability
If a host is externally connected to an audio device such as a sound box in a wired manner, then audio play consistency is ensured, but speaker resources of the screen are wasted
Solution Approach 1:
Each screen utilizes its own built-in speaker resources to play audio, making the system self-sufficient without requiring external audio devices. The host device coordinates the audio playback across multiple screens by allocating audio data to appropriate screens, allowing the screen speakers to serve themselves rather than relying on external sound boxes. This eliminates speaker resource waste while maintaining audio consistency through centralized control.
3Area of stationary object
If multiple screens are spliced to form a large display, then visual effect is improved, but audio allocation becomes complex
Solution Approach 1:
The audio allocation system applies local quality by assigning different audio playback characteristics to different screens based on their specific contexts. Each screen receives audio allocation decisions tailored to its position and content in the spliced display configuration. The host device evaluates screen parameters and video source information to determine which screens should play audio, creating a customized audio allocation strategy for each screen rather than applying a uniform approach, thereby managing complexity while supporting large spliced displays.
Data Source
AI summary
A host controls a first combined screen, where the first combined screen includes at least two screens that are spliced. A first speaker system is constructed based on video source information of the at least two screens. The first speaker system includes a speaker of a first screen and a speaker of a second screen. In addition, corresponding channel types are allocated to the speakers included in the first speaker system based on screen parameters of the at least two screens. The channel types include a left channel, a center channel, and a right channel.