Live Meeting Time-Shifting via Thumbnail Navigation
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Solution Overview
Problem
Existing technologies for online meetings do not effectively support time-shifting playback or navigation of live online meetings, leading to issues such as missed content due to interruptions or the need for immediate presence, and lack of features for reviewing graphical data.
Innovation Solution
Implementing a system that allows viewers to display and navigate through previously presented portions of a live online meeting by storing live screen data and audio, enabling pause, rewind, and annotation features during the meeting, using thumbnails for navigation, and synchronizing playback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a viewer must be present for the entirety of a live online meeting to avoid missing content, then complete content coverage is achieved, but the viewer cannot take breaks or review graphical data at their own pace
Solution Approach 1:
The system stores live screen data and audio continuously during the meeting, creating a replay buffer that viewers can access later. This preliminary recording action enables viewers to review content at their own pace without needing to be present for the entire meeting, resolving the contradiction between flexibility and content completeness.
Solution Approach 2:
The system dynamically switches between live viewing mode and recorded playback mode. Viewers can transition from watching the live meeting to reviewing previously displayed content, allowing flexible viewing patterns while ensuring no content is lost. The playback system adapts to viewer needs by providing on-demand access to stored data.
2Adaptability or versatility
If live screen data is stored for later viewing, then time-shifting capability is enabled, but device complexity increases due to storage and navigation requirements
Solution Approach 1:
The system segments the stored screen data into key screenshots captured at trigger events (such as slide transitions or topic changes). These discrete segments are easier to manage and navigate than continuous data streams. Thumbnails of these segments are generated to facilitate efficient browsing, reducing the complexity of accessing stored content.
Solution Approach 2:
The system introduces an intermediary layer between the raw stored data and the viewer. Thumbnails and key screenshots serve as intermediaries that represent the stored content, allowing viewers to navigate and select content without processing the entire data stream. This intermediary structure simplifies the user interface and reduces system complexity.
3Ease of operation
If key screenshots and thumbnails are generated for navigation, then ease of content retrieval is improved, but processing time and energy consumption increase
Solution Approach 1:
The system generates key screenshots periodically at trigger events rather than continuously. Trigger events are defined as specific moments in the meeting such as slide transitions or topic changes. This periodic capture approach reduces processing resources compared to continuous screenshotting while still providing sufficient navigation points for effective content retrieval.
Data Source
AI summary
In various embodiments, an attendee of a live online meeting selects screen data from an earlier point in time in the online meeting for playback while the meeting is still ongoing. Automatically generated image thumbnails of the screen data for the online meeting may be employed to navigate to the earlier point in time. Attendees may annotate screenshots associated with the thumbnails, and a summary document may be generated that includes the screenshots and the annotations.