3D Glasses Wireless Audio Sync for Multi-User Viewing
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Solution Overview
Problem
Current 3D viewing systems face challenges in providing synchronized audio for multiple users, as existing technologies struggle to efficiently transmit and receive audio signals in conjunction with stereoscopic images, leading to difficulties in delivering different audio content to multiple users simultaneously.
Innovation Solution
The integration of shutter glasses with a display apparatus that includes a wireless receiver for sync and audio signals, a shutter driver for controlling shutters, and an audio output part that processes and outputs the appropriate audio signal, allowing users to select and listen to audio corresponding to the image being viewed, using standards like ZigBee for communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple users view different images simultaneously using shutter glasses, then image content differentiation is improved, but audio signal synchronization deteriorates
Solution Approach 1:
The audio signal is segmented into multiple independent audio channels, each corresponding to a specific image content. The shutter glasses separate the audio signal according to the image being viewed by each user, enabling independent audio playback for each user while maintaining synchronization with their respective images.
Solution Approach 2:
The shutter glasses act as an intermediary device that receives both image and audio signals from the display apparatus. It processes the audio signal in conjunction with the image signal, selecting and outputting the appropriate audio channel that corresponds to the image being displayed to each user.
2Adaptability or versatility
If shutter glasses transmit and receive multiple audio channels, then audio selection capability is improved, but device complexity increases
Solution Approach 1:
The shutter glasses are designed with multi-functionality, serving both as a display controller for images and an audio processor. The same device that controls the shutter timing for stereoscopic images also handles the selection and output of corresponding audio channels, reducing the need for separate audio processing equipment.
Solution Approach 2:
The audio processing functions are merged with the existing image processing circuitry in the shutter glasses. The audio signal processing is integrated into the same device that handles image synchronization, combining multiple functions into a single unit to manage complexity.
Data Source
AI summary
A display apparatus, three-dimensional (3D) glasses, and a display system including the display apparatus and the 3D glasses are provided. The 3D glasses which interwork with an external display apparatus include: a wireless receiver which receives a sync signal and audio signals from the external display apparatus; a shutter driver which drives shutters according to the received sync signal; and an audio output part which processes and outputs the received audio signal. Thus, users can individually enjoy contents without interfering with one another by selecting and listening to audio corresponding to an image viewed through the display apparatus.