AssetIdentifier Element in DASH MPD for Content Segmentation
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Solution Overview
Problem
Dynamic Adaptive Streaming over Hypertext Transfer Protocol (DASH) currently lacks the ability to distinguish between main content and ad content, leading to issues such as inaccurate progress bars, impaired random access, unreported ad downloads, missing revenue for content providers, and restricted trick modes.
Innovation Solution
Incorporating an AssetIdentifier element in the media presentation description (MPD) to uniquely identify assets, including media and metadata, allowing for proper differentiation between main content and ad content, enabling accurate progress tracking, random access, revenue reporting, and controlled trick modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If DASH protocol is used to provide adaptive streaming, then client can choose from multiple forms of content based on network conditions and device capability, but the system cannot distinguish between main content and ad content
Solution Approach 1:
The patent segments the DASH content delivery system into distinct components by introducing the AssetIdentifier element that separately identifies main content and ad content within the MPD structure. This segmentation allows the client to differentiate between content types while maintaining the adaptive streaming capability, resolving the contradiction between versatility and information loss.
2Productivity
If ad content is included with main content in DASH streaming, then revenue can be generated for content providers, but accurate progress tracking and random access become impaired
Solution Approach 1:
The AssetIdentifier element acts as an intermediary that bridges ad content and main content within the DASH framework. By tagging content with specific asset identifiers, the system enables accurate progress tracking and random access operations while simultaneously allowing ad content to be delivered and monetized, thus resolving the contradiction between revenue generation and operational ease.
3Adaptability or versatility
If DASH protocol allows client control for content selection, then adaptability to network conditions is improved, but tracking and reporting of ad content downloads is lost
Solution Approach 1:
The patent implements a feedback mechanism through the AssetIdentifier element embedded in the MPD structure. This element provides the server with information about which assets (main content or ads) the client is downloading, enabling the server to track ad content delivery while maintaining client control for adaptive streaming decisions. The feedback loop resolves the contradiction between client adaptability and server-side tracking capability.
Data Source
AI summary
An apparatus comprises a processor configured to create a Dynamic Adaptive Streaming over Hypertext Transfer Protocol (DASH) media presentation description (MPD), wherein the MPD comprises an AssetIdentifier element associated with a period, wherein the AssetIdentifier element specifies that the period belongs to a certain asset, and wherein the asset is content including media and metadata together with the rights to use the content by a content provider, and a transmitter configured to transmit the MPD. An apparatus comprises a receiver configured to receive a Dynamic Adaptive Streaming over Hypertext Transfer Protocol (DASH) media presentation description (MPD), wherein the MPD comprises an AssetIdentifier element associated with a period, wherein the AssetIdentifier element specifies that the period belongs to a certain asset, and wherein the asset is content including media and metadata together with the rights to use the content by a content provider, and a processor configured to process the MPD.