Media Flow Redirection via QoS Negotiation
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Solution Overview
Problem
Users face challenges in seamlessly transferring media flows from one device to another with different presentation characteristics, such as from mobile communication devices to larger displays or audio systems, without interrupting the media stream.
Innovation Solution
A system and method that allows users to manually or automatically redirect media flows between devices by informing an application server, which configures and negotiates quality of service parameters to split or redirect media streams to alternative devices with different presentation capabilities, such as high-resolution monitors or audio systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If media flow is transferred from one device to another with different presentation characteristics, then device adaptability is improved, but system complexity increases due to QoS parameter negotiation and reconfiguration
Solution Approach 1:
The patent introduces an application server as an intermediary that mediates between the mobile communication device and the alternative media presentation device. The server handles QoS parameter negotiation, media flow redirection, and device capability matching, thereby enabling device adaptability while shielding users from system complexity. The server acts as a intelligent broker that automatically manages the complex parameters during media flow transfer.
Solution Approach 2:
The system performs preliminary QoS parameter negotiation and device capability assessment before initiating media flow transfer. The application server pre-configures the alternative device and negotiates appropriate QoS parameters in advance, ensuring seamless transfer without interrupting the media stream. This preliminary action eliminates the need for complex real-time parameter adjustments during transfer.
2Ease of operation
If automatic branching or transfer of media flow is implemented based on device proximity, then ease of operation is improved, but loss of information increases due to potential automatic switching without user confirmation
Solution Approach 1:
The system implements partial automation where automatic branching is triggered based on device proximity detection, but user confirmation is still required before finalizing the transfer. This partial action approach balances ease of operation with user control, allowing the system to prepare for automatic transfer while preserving user intent through confirmation prompts.
Solution Approach 2:
The system provides feedback to the user about detected alternative devices and proposed transfer actions based on proximity measurements. The application server notifies the user of the automatic branching opportunity and awaits confirmation, ensuring that user intent is preserved while maintaining ease of operation through automated device detection and proposal.
3Adaptability or versatility
If media flow is split into audio and visual components and sent to different devices, then adaptability is improved, but device complexity increases due to component separation and independent stream management
Solution Approach 1:
The patent segments the media flow into separate audio and visual components that can be independently routed to different alternative devices. The application server divides the media stream and manages each component separately, allowing flexible assignment of audio to one device and video to another based on device capabilities and user preferences. This segmentation enables enhanced adaptability while the server handles the complexity of independent stream management.
Solution Approach 2:
The application server provides universal functionality by handling both audio and visual stream management, device capability assessment, and QoS negotiation for multiple media components. This multi-functional approach allows the system to manage complex segmented media flows while presenting a unified interface to users, effectively hiding the complexity behind a universal service layer.
Data Source
AI summary
A system and method for redirecting or duplicating a media flow to one or more alternative media presentation devices and providing updated quality of service parameters to the application server providing the media flow. The user of a mobile communication device can manually initiate the media flow change or the user can configure the media flow change to automatically transfer based on the proximity of the mobile communication device to the alternative media presentation device. If desired, the media flow can be reverted to the mobile communication device. A media flow can also be divided, such as by audio and video to different alternative media presentation devices.