Media File Tagging via Device Time Synchronization
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Solution Overview
Problem
The generation of meta-tags for digital media files, particularly in sports coaching, is a time-consuming process that requires laborious manual tagging or cumbersome real-time connections between video cameras and computers, lacking efficient methods for independent and simultaneous tagging during live events.
Innovation Solution
A method that synchronizes device times between media-file generators and meta-tag generators, allowing for independent and simultaneous recording of media files and meta-tags during events, eliminating the need for physical connections and enabling real-time tagging without post-production processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual post-production tagging is used, then meta-tags can be generated accurately, but the process is time-consuming and laborious
Solution Approach 1:
The system performs preliminary synchronization of device times between media-file generators and meta-tag generators before the actual event recording. This preliminary action establishes a time correlation framework that enables automatic tagging during live events, eliminating the need for time-consuming post-production manual tagging while maintaining accurate temporal association between media content and meta-tags.
2Loss of time
If real-time meta-tag generation is implemented, then tagging time is reduced, but a physical connection (e.g., fire-wire cable) between video camera and computer is required
Solution Approach 1:
The invention replaces the mechanical physical connection system (fire-wire cables) with an independent device synchronization system. Each device (media-file generator and meta-tag generator) maintains its own device time, and the correlation is established through time-based synchronization rather than physical connectivity. This substitution eliminates the need for cumbersome cables while enabling real-time meta-tag generation.
3Ease of operation
If independent and simultaneous recording is enabled, then device portability and ease of operation are improved, but device time synchronization must be maintained
Solution Approach 1:
The system incorporates feedback mechanisms through the synchronization of device times. The meta-tag generator receives feedback about the correlated device time from the media-file generator, allowing it to accurately timestamp meta-tags according to the media file's time reference. This feedback loop ensures that independent devices remain temporally aligned without requiring physical connections, maintaining both ease of operation and time correlation accuracy.
Data Source
AI summary
Methods for generating meta-tagged media files, in which features of an event recorded in the media file are tagged to identify content, are disclosed herein. The methods include independent and simultaneous generation of a media file and meta-tags, and the combination of the media file and the meta tags based on a correlation of device times to generate the meta-tagged media file.