Webcast Transcript Synchronization with Audio Video Stream
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Solution Overview
Problem
Current webcasting systems do not effectively synchronize textual transcripts with audiovisual presentations, making it difficult for users to follow live streaming video or audiovisual content in real-time.
Innovation Solution
A method and apparatus that synchronizes a textual transcript with an audiovisual presentation, allowing users to easily track the presentation by highlighting current text and enabling quick location of conversation points, with search functionality to jump to specific portions of the presentation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a textual transcript is provided alongside an audiovisual presentation, then users can better follow the presentation content, but users cannot easily track which portion of the transcript corresponds to the current presentation moment
Solution Approach 1:
The patent applies color highlighting to visually distinguish the current transcript portion corresponding to the active speaker. When a speaker is detected in the audiovisual stream, the system highlights the associated transcript text with a distinct color or background shade, enabling users to easily track which part of the transcript is currently being spoken without requiring complex interactions.
2Loss of information
If the entire transcript is displayed at once, then users can access all presentation content, but users cannot quickly locate specific conversation points
Solution Approach 1:
The patent introduces an intermediary search mechanism that allows users to quickly locate specific conversation points in the transcript. The search function acts as a mediator between the user's query and the transcript content, enabling rapid navigation to relevant sections without manually scanning through the entire transcript text.
3Adaptability or versatility
If transcript synchronization is implemented, then hearing-impaired users can follow the presentation, but the system complexity increases
Solution Approach 1:
The system implements self-service by automatically detecting speakers in the audiovisual stream and synchronizing their identification with the corresponding transcript portions. This automatic speaker detection and highlighting mechanism eliminates the need for manual synchronization setup, reducing the operational complexity for users while maintaining high accessibility for hearing-impaired individuals.
Data Source
AI summary
A system and method is described that permits synchronization of a transcript with an audio/video stream of a webcast. The system also permits a user to perform a search of the transcript and then to jump in the webcast audio/video stream to the point identified during the search.