Learning Analysis Device Playback Position Extraction

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Solution Overview

Problem

Existing learning content analysis systems fail to provide useful information for learners and creators regarding playback positions that require repeated viewing for high results, high-speed playback avoidance, or understanding difficulties, as they do not utilize test results and playback operation data effectively.

Innovation Solution

A learning analysis device and method that acquires playback operation and test result data to extract and analyze playback positions based on differences in learner performance, providing insights into necessary re-playback positions, high-speed playback avoidance, and understanding difficulties through an extraction processing unit and associated calculation and estimation units.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If playback operation information is analyzed without incorporating test results, then the system structure remains simple, but useful information about playback positions cannot be obtained

Engineering Contradiction:
Improveuseful information about playback positionsVSAvoidsystem structure
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The patent combines playback operation information analysis with test result data to extract meaningful patterns. The extraction processing unit integrates these two data sources to identify playback positions that correlate with high test results, thereby obtaining useful information without requiring a completely new system architecture.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent introduces an intermediary analysis layer that processes both playback operation information and test results. This intermediary processing enables the system to derive meaningful insights about playback positions by mediating between the raw data sources, without requiring direct complex interactions between all system components.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Loss of information

If playback operation information is analyzed without incorporating test results, then the analysis process remains simple, but information about difficult-to-understand positions cannot be obtained

Engineering Contradiction:
Improveinformation about difficult-to-understand positionsVSAvoidanalysis process efficiency
Core Design Contradiction:
Loss of informationVSProductivity

Solution Approach 1:

The patent implements a feedback mechanism where test results are fed back into the playback operation information analysis. The extraction processing unit uses test result data to identify and highlight playback positions that were difficult to understand, creating a feedback loop that enhances the analysis without significantly increasing complexity.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent segments the analysis process into distinct functional units: playback operation information acquisition, test result acquisition, and extraction processing. This segmentation allows the complex task of identifying difficult-to-understand positions to be broken down into manageable steps, maintaining analysis efficiency while improving information quality.

Inventive Principle:
Principle #1Segmentation

3Loss of information

If playback operation information is analyzed without incorporating test results, then the system remains simple, but information about repeated playback positions cannot be obtained

Engineering Contradiction:
Improveinformation about repeated playback positionsVSAvoiddata processing structure
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The patent adds another dimension to the analysis by incorporating test result data alongside playback operation information. This dimensional expansion enables the system to identify repeated playback positions that correlate with high test results, transforming a one-dimensional analysis into a multi-dimensional one that reveals deeper insights.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The extraction processing unit performs multiple functions: it analyzes playback operation information, incorporates test results, identifies repeated playback positions, and extracts meaningful patterns. This multi-functionality allows the system to obtain comprehensive information about repeated playback positions without requiring separate dedicated systems for each analysis task.

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

Data Source

PatentUS20240105071A1Learning analysis device, learning analysis method, and program
Publication Date: 2024.03.28 TEIKYO UNIVERSITY
  • US20240105071A1 patent drawing
  • US20240105071A1 patent drawing
  • US20240105071A1 patent drawing

AI summary

A learning analysis device includes a playback operation information acquisition unit configured to acquire playback operation information in which a playback operation of the same learning content performed by each of a plurality of learners is recorded, a result information acquisition unit configured to acquire result information indicating a result of each of the plurality of learners in a test conducted after the playback operation is performed, a learning content information acquisition unit configured to acquire learning content information that is information indicating what is played back at each of a plurality of playback positions between a playback start position and a playback end position of the learning content, and an extraction processing unit configured to execute a process of extracting one or more playback positions from the plurality of playback positions between the playback start position and the playback end position of the learning content based on a difference between the playback operation information of a learner having a test result greater than or equal to a first threshold value and the playback operation information of a learner having a test result less than the first threshold value.