Multimedia Content Segmentation via Signed URL Access

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Solution Overview

Problem

As multimedia content consumption increases on computing devices, maintaining content integrity and optimizing device performance becomes challenging due to memory and processing power constraints, with existing technologies failing to efficiently manage and limit access to multimedia content.

Innovation Solution

The solution involves providing multimedia content metadata separately from text content, allowing clients to retrieve only portions of multimedia content on demand, with access limited by signed URLs that expire, thereby maintaining content integrity and optimizing device resources.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multimedia content is provided to increasing numbers of computing devices, then content accessibility and user experience are improved, but maintaining content integrity becomes more difficult

Engineering Contradiction:
Improvecontent accessibilityVSAvoidcontent integrity
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system segments multimedia content into multiple portions and distributes them across different servers. Each portion is accessed through signed URLs that contain cryptographic signatures, enabling selective access control. This segmentation allows content to be delivered to multiple devices while maintaining integrity through distributed verification.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Signed URLs act as intermediaries between the content delivery system and multimedia content. The cryptographic signatures in these URLs serve as mediators that verify authorized access without exposing the actual content directly, thereby maintaining content integrity while enabling widespread distribution.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If multimedia content is embedded in electronic content items with text content, then user experience is improved, but device performance is affected by memory and processing power consumption

Engineering Contradiction:
Improveuser experienceVSAvoiddevice performance
Core Design Contradiction:
Ease of operationVSUse of energy by moving object

Solution Approach 1:

The system extracts multimedia content from embedded form in electronic content items and provides it as separate downloadable portions. Users can access text content immediately while multimedia content is loaded on-demand or selectively, reducing the memory and processing burden on client devices while maintaining enhanced user experience where needed.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of loading all multimedia content simultaneously, the system enables partial loading of content portions based on user needs and device capabilities. Users can access portions of multimedia content selectively, avoiding excessive memory and processing power consumption while still providing enhanced user experience for accessed content.

Inventive Principle:
Principle #16Partial or excessive action

3Speed

If all multimedia content is downloaded to client devices, then content access speed is improved, but memory usage and processing power consumption increase

Engineering Contradiction:
Improvecontent access speedVSAvoidmemory usage
Core Design Contradiction:
SpeedVSQuantity of substance

Solution Approach 1:

Multimedia content is divided into multiple smaller portions that can be downloaded and cached incrementally. This segmentation allows faster access to individual portions without requiring the entire content set to be stored in memory, optimizing the balance between access speed and memory usage.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system enables preliminary downloading of frequently accessed or important content portions before they are actually needed. By pre-loading selected portions, the system achieves fast access speeds for critical content while avoiding the memory overhead of downloading and storing all multimedia content in advance.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS9501582B2Providing text content embedded with protected multimedia content
Publication Date: 2016.11.22 AMAZON TECH INC
  • US9501582B2 patent drawing
  • US9501582B2 patent drawing
  • US9501582B2 patent drawing

AI summary

Text content embedded with multimedia content is provided from a content provider to a client device. The multimedia content may be provided to the client device separate from the text content. In particular, multimedia content metadata indicating a storage location of the multimedia content may be provided to the client device after the text content. The client device may request the multimedia content from the content provider based on the multimedia content metadata. The content provider may send the requested multimedia content to the client device after receiving an authenticated version of the multimedia content metadata.