Digital Signage Playlist Segmentation for Bandwidth Reduction
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Solution Overview
Problem
Current digital signage systems transmit the same video feed to all locations, wasting bandwidth and reducing viewer engagement by not providing location-specific or relevant content, leading to decreased satisfaction.
Innovation Solution
A signage management system that allows for customized playlists to be managed and transmitted to individual displays, enabling location-specific content and emergency alerts, with a signage manager communicating with signage devices to control media presentation and handle updates independently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the same video stream is transmitted to all displays, then all sites receive consistent content, but bandwidth is wasted and viewer engagement decreases due to lack of location-specific relevance
Solution Approach 1:
The system segments the content delivery by creating separate playlist files for different signage devices and locations. Each playlist is customized for its target audience and location, allowing the system to deliver relevant content without transmitting unnecessary data across the entire network. This segmentation enables location-specific content delivery while reducing overall bandwidth consumption.
Solution Approach 2:
The system implements local quality by storing playlist files locally on each signage device rather than streaming the same content to all devices. Each device has its own customized playlist that reflects local relevance, ensuring that viewers receive content appropriate to their location while minimizing network bandwidth usage.
2Ease of operation
If centralized control is used to manage all displays, then content consistency is maintained, but system complexity increases and real-time updates become difficult
Solution Approach 1:
The system uses preliminary action by pre-generating and storing playlist files on each signage device before they are needed. This allows the devices to operate independently with locally stored content, reducing the need for complex real-time centralized control while still enabling easy updates through periodic playlist regeneration and distribution.
Solution Approach 2:
The system introduces an intermediary component that manages playlist generation and distribution between the content source and individual signage devices. This intermediary handles the complexity of content management centrally while allowing devices to operate independently, simplifying both centralized control and local operation simultaneously.
3Reliability
If internet connection is required for content delivery, then real-time updates are possible, but playback fails during internet outages
Solution Approach 1:
The system implements beforehand cushioning by storing complete playlist files locally on each signage device in advance. This local storage acts as a cushion that allows playback to continue uninterrupted during internet outages. The device can regenerate playlists from locally stored media files even when disconnected from the network, ensuring reliable continuous operation.
Solution Approach 2:
The system applies dynamics by enabling signage devices to switch between online and offline modes automatically. When connected to the internet, devices can receive real-time updates and regenerate playlists. When disconnected, they seamlessly transition to using locally stored content, maintaining playback continuity without requiring constant network connectivity.
Data Source
AI summary
In various implementations, a signage manager may manage digital sign content. The signage manager may transmit playlists and/or media to signage devices to be presented on a display and/or on a set of displays. The signage manger may allow independent customization of playlists. The media items associated with the playlists and presented on display(s) may be stored on a memory of the signal device and/or streamed media from another source.