Adaptive Media Source Switching for Seamless Playback

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Solution Overview

Problem

Existing content delivery systems face challenges in providing seamless playback of media content due to reliance on single media sources, leading to interruptions when sources become unavailable or congested.

Innovation Solution

An electronic device and method that adaptively switch between broadband and broadcast sources based on service availability, connection quality, and video resolution, ensuring continuous and high-quality media playback without manual intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single media source is used for content delivery, then the system complexity is reduced, but the reliability of media playback deteriorates due to interruptions when sources become unavailable or congested

Engineering Contradiction:
Improvesystem complexityVSAvoidreliability of media playback
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent combines multiple media sources (broadcast and broadband) into a unified content delivery system. The set-top box integrates both broadcast tuning capabilities and broadband network connectivity, allowing seamless access to media content from either source. This merging of multiple delivery paths resolves the contradiction by maintaining simplicity at the user interface level while incorporating redundancy internally to improve reliability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The set-top box is designed with multi-functionality to handle both broadcast and broadband media delivery. It can tune to broadcast channels, connect to broadband networks, and switch between sources automatically. This universal design allows a single device to perform multiple functions, reducing the need for separate equipment while improving playback reliability through source diversity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Device complexity

If manual intervention is required for source transition, then the device complexity is reduced, but the ease of operation deteriorates due to user burden in managing source switching

Engineering Contradiction:
Improvedevice complexityVSAvoidease of source transition
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The system implements self-service through automatic source switching based on predefined quality metrics. The set-top box continuously monitors broadcast signal quality and broadband connection status, automatically selecting the optimal source without user intervention. This eliminates the burden of manual source management while maintaining relatively simple device architecture through rule-based automation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent incorporates feedback mechanisms where the system continuously monitors media quality parameters from both broadcast and broadband sources. Based on this feedback, the set-top box dynamically adjusts source selection to maintain optimal playback quality. This automated feedback loop improves ease of operation by removing manual switching requirements while keeping device complexity manageable through algorithmic control.

Inventive Principle:
Principle #23Feedback

3Reliability

If sophisticated algorithms are used for adaptive transition, then the reliability of media playback is improved, but the device complexity increases

Engineering Contradiction:
Improveconsistency of playbackVSAvoidalgorithm complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent employs parameter-based decision making for source transition, monitoring specific measurable metrics such as signal strength, bit error rate, and bandwidth availability. By changing source selection based on these parameters rather than complex predictive algorithms, the system achieves reliable playback while maintaining manageable device complexity. The approach uses threshold-based rules that are computationally efficient yet effective.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system implements dynamic source switching that adapts to changing network and broadcast conditions in real-time. Rather than using static pre-configured rules or complex predictive algorithms, the set-top box continuously adjusts source selection based on current quality metrics. This dynamic approach ensures consistent playback reliability while keeping the algorithm complexity relatively low through reactive rather than predictive decision-making.

Inventive Principle:
Principle #15Dynamics

4Reliability

If multiple transmission sources are used, then the reliability of media delivery is improved, but the difficulty of detecting and measuring source quality increases

Engineering Contradiction:
Improveavailability of media contentVSAvoiddifficulty of source quality assessment
Core Design Contradiction:
ReliabilityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent applies partial monitoring by focusing on key quality parameters rather than comprehensively analyzing all aspects of each transmission source. The set-top box monitors essential metrics such as signal strength, error rates, and bandwidth availability without performing exhaustive quality assessment. This partial action approach enables reliable source comparison and switching while keeping the complexity of quality detection and measurement manageable.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS20250184384A1Adaptive transition between media contents in content delivery systems
Publication Date: 2025.06.05 SONY GROUP CORP
  • US20250184384A1 patent drawing
  • US20250184384A1 patent drawing
  • US20250184384A1 patent drawing

AI summary

An electronic device and a method for adaptive switching in content delivery systems. The electronic device receives media content for playback. The electronic device determines the received media content including first media content and second media content. The electronic device compares first bit rate of the first media content with second bit rate of the second media content. The electronic device sets the reported bit rate of the media player to a second determined value, based on the comparison. The electronic device controls the media player to playback of the second media content, based on the second determined value. The electronic device monitors the reception of the media content. The electronic device sets the reported bit rate of the media player to a third determined value. The electronic device controls the media player to switch playback to the first media content, based on the third determined value.