Synchronization File for Text-Audio Alignment
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Solution Overview
Problem
Existing systems for synchronizing text and audio versions of content, such as e-books and audiobooks, often fail to accurately align, leading to frustrating user experiences due to misalignment or lack of synchronization, which can hinder learning or enjoyment.
Innovation Solution
A synchronization file is created that includes pre-processed information and nulls to indicate where text and audio data is available or unavailable, allowing for improved alignment and user experience by highlighting synchronized content and providing metrics for synchronization quality and availability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If synchronization is attempted between text and audio versions of content, then user engagement and learning effectiveness are improved, but synchronization accuracy deteriorates due to alignment difficulties
Solution Approach 1:
The patent segments the content into discrete synchronized elements (text segments and corresponding audio segments) with unique identifiers. Each segment is independently time-stamped and mapped, allowing precise alignment without requiring perfect synchronization across the entire content. This segmentation enables the system to maintain high user engagement while managing synchronization accuracy through modular, manageable units.
Solution Approach 2:
The patent introduces a synchronization file as an intermediary data structure that contains mapping information between text segments and audio segments. This synchronization file acts as a mediator that translates between text position and audio timing, resolving the alignment difficulty without directly coupling the text and audio processing systems. The intermediary enables accurate synchronization while maintaining independence of the text and audio streams.
2Reliability
If complete synchronization data is provided for all content, then synchronization coverage is improved, but data complexity and processing requirements worsen
Solution Approach 1:
The patent applies local quality by providing detailed synchronization data only where needed (in the synchronization file) rather than embedding complex synchronization logic throughout the entire content structure. The synchronization file contains localized mapping information for specific text-audio pairs, reducing overall data complexity while maintaining reliable synchronization coverage where required.
Solution Approach 2:
The patent creates a simplified copy of the content structure in the synchronization file, which contains only the essential timing and position mapping information. Rather than duplicating the full complexity of both text and audio data with all their metadata, the synchronization file is a streamlined copy that contains only the coordination information needed for synchronization, reducing data complexity while ensuring reliable coverage.
3Adaptability or versatility
If synchronization alignment is made more flexible to handle variations, then adaptability is improved, but alignment precision deteriorates
Solution Approach 1:
The patent implements dynamic synchronization by allowing the system to adaptively select and adjust synchronization parameters based on the specific content being processed. The synchronization system can dynamically adjust timing offsets, segment boundaries, and mapping relationships to accommodate variations in different content types while maintaining precision through data-driven calibration. This dynamic approach enables flexibility without sacrificing alignment precision.
Solution Approach 2:
The patent utilizes parameter changes by adjusting synchronization parameters (such as timing offsets, segment durations, and position mappings) based on the specific characteristics of the content. Rather than using a fixed synchronization scheme, the system modifies parameters to optimize alignment for each content instance, achieving both adaptability and precision through parameter optimization rather than structural flexibility.
Data Source
AI summary
Methods, systems and apparatus for identifying and utilizing content synchronization information are described. Methods for creating and utilizing a synchronization file that can be used to notify users when synchronization availability exists, and to identify ways to repair synchronization unavailability are described. The synchronization file includes a complete set of individual content elements that make up a content item, such as a book, where each content element has an indication whether play-back of an audio version of the content item can be synchronized with the presentation of a corresponding text version of the content item. Methods, systems and apparatus are also disclosed for providing the synchronization availability information to the user in a manner that enables the user to increase the benefits of synchronized presentation of the content item.