XR Display Playback Control for Multi-Screen Bandwidth Savings
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Solution Overview
Problem
Existing methods for consuming multiple content items simultaneously, such as during college sports events, are inefficient and costly in terms of bandwidth, and result in reduced user experience due to divided screens or high bandwidth consumption.
Innovation Solution
Systems and methods for controlling display playback via extended reality devices that identify the field of view and manipulate the state or quality of playback for each display based on its visibility within the field of view, using factors such as binary indications, offset angles, and bitrate adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple content items are consumed simultaneously on multiple devices or displays, then the user can watch multiple games at the same time, but the bandwidth cost increases significantly
Solution Approach 1:
The system dynamically adjusts the playback state of each display based on real-time field of view detection. When a display moves outside the user's field of view, the system automatically pauses or time-shifts that content, freeing bandwidth. This dynamic adaptation allows the system to maintain multiple content streams ready for playback while only actively transmitting high-bandwidth content when actually viewed, resolving the contradiction between multi-content capability and bandwidth consumption.
2Loss of energy
If multiple content items are displayed in a grid layout or picture-in-picture mode on a single television, then bandwidth usage is reduced, but the user quality of experience decreases due to small image sizes
Solution Approach 1:
The system segments the viewing experience by spatial location rather than forcing all content into a single divided screen. Each display is treated as an independent viewing zone, and the system selectively activates content on each display based on whether it falls within the user's field of view. This segmentation allows full-resolution content on active displays without the bandwidth overhead of maintaining multiple simultaneous high-resolution streams.
3Ease of operation
If virtual screens are placed at multiple locations around a room allowing the user to turn their head to watch each screen, then user experience is improved, but the bandwidth cost increases similarly to multiple devices
Solution Approach 1:
The system implements self-service by using the user's own head movements and field of view as the control mechanism. The extended reality device continuously monitors where the user is looking and automatically manages which displays should be active and at what quality levels. This eliminates the need for manual content selection and enables the system to serve multiple spatial locations with optimized bandwidth by only actively streaming content to displays within the current field of view.
Data Source
AI summary
Systems and methods are provided for manipulating a state or quality of playback of a content item. A field of view of an extended reality display device is identified, and an extent to which each of a plurality of displays falls within the field of view of the extended reality display device is determined, wherein the plurality of displays comprises at least one physical display. A plurality of factors are generated based on the determined extent to which the plurality of displays falls within the field of view, each factor corresponding to a different display of the plurality of displays. For at least one display of the plurality of displays, a state or quality of playback of a content item is manipulated in a manner responsive to the extent to which the at least one display falls within the field of view, based on the factor corresponding to the display.