Dynamic Segment Metadata Transfer Across Media Devices

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Solution Overview

Problem

Existing media content delivery systems lack the ability to dynamically replace media files and seamlessly transfer playback sessions across different media playback devices, especially when the data formats differ.

Innovation Solution

The method involves detecting a transfer signal for a playback session from one media playback device to another, retrieving dynamic-segment metadata corresponding to different data formats, and causing the second device to play the dynamic segment using the appropriate metadata, ensuring compatibility and seamless playback.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If dynamic media file replacement is implemented, then content flexibility and personalization are improved, but system complexity increases

Engineering Contradiction:
Improvecontent flexibilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The media content is divided into static segments and dynamic segments. Static segments contain immutable content while dynamic segments can be replaced at runtime. This segmentation allows the system to achieve flexibility without requiring the entire media file to be replaceable, thus managing complexity while improving adaptability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system implements dynamic segment replacement where specific portions of media content can be modified at runtime based on user preferences, context, or targeting criteria. This allows the content delivery system to adapt dynamically without restructuring the entire media delivery architecture.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If playback session transfer between devices with different data formats is enabled, then device compatibility is improved, but data format conversion complexity increases

Engineering Contradiction:
Improvedevice compatibilityVSAvoiddata format conversion complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system uses metadata as an intermediary layer between different data formats. The metadata contains format information and replacement rules that enable seamless transfer of playback sessions between devices with different data formats without requiring complex real-time conversion. The metadata acts as a bridge that translates between different device requirements.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system changes the data format parameters of dynamic segments to match the capabilities of the target playback device. By modifying format parameters in the metadata based on device characteristics, the system enables compatibility across different devices without requiring each device to handle all possible formats.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If runtime content insertion is implemented, then content freshness and personalization are improved, but processing overhead increases

Engineering Contradiction:
Improvecontent freshnessVSAvoidprocessing overhead
Core Design Contradiction:
ProductivityVSUse of energy by moving object

Solution Approach 1:

The system performs preliminary actions by pre-defining dynamic segments and their replacement rules in the metadata before runtime. This allows the actual content replacement to be executed efficiently at runtime by simply following pre-established rules, reducing processing overhead while maintaining content freshness.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12328488B2Systems, methods and computer products for dynamic segment resolution and transferring dynamic-segment metadata across media playback devices
Publication Date: 2025.06.10 SPOTIFY
  • US12328488B2 patent drawing
  • US12328488B2 patent drawing
  • US12328488B2 patent drawing

AI summary

Systems, methods and computer program products provide dynamic segment resolution and transfer dynamic-segment metadata across media playback devices by detecting a transfer signal indicating a playback session is to be transferred from a first media playback device to a second media playback device, where the playback session contains first dynamic-segment metadata corresponding to a first dynamic-segment having a first data format. Second dynamic-segment metadata corresponding to a second dynamic-segment having a second data format is retrieved and the second media playback device is controlled to play the second dynamic-segment using the second dynamic-segment metadata, where the first data format and the second data format are different.