Conferencing System Catch-Up Playback Mode
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Solution Overview
Problem
Participants in network conferences often miss important discussions when they step away, and attempting to catch up by listening to accelerated recordings can lead to confusion, as they may inadvertently try to speak, unaware they are in catch-up mode, and their comments are not integrated into the live conference.
Innovation Solution
A conferencing system that allows participants to record their comments or questions during a conference, providing context before playback, and automatically switches between real-time and catch-up modes, ensuring that recorded speech is not mixed into the live session, and can be played back at a faster rate with context provided when rejoining.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If participants listen to accelerated recordings to catch up on missed conference portions, then they can review what transpired during their absence, but they may inadvertently attempt to speak as participants, causing confusion and interruption of the live conference
Solution Approach 1:
The system introduces an intermediary mechanism (catch-up mode with speech detection) between the participant and the live conference. When a participant enters catch-up mode, the system detects their speech attempts and prevents them from being transmitted to other participants, while still allowing the participant to review conference content. This intermediary layer resolves the contradiction by enabling information access without causing harmful interruptions.
Solution Approach 2:
The system implements feedback by continuously monitoring audio input from participants in catch-up mode and providing real-time detection of speech. When speech is detected, the system responds by preventing transmission to other participants and potentially providing visual or auditory cues to the participant that their speech is being detected and blocked. This feedback loop prevents unintended interruptions while maintaining catch-up functionality.
2Ease of operation
If the system allows participants to speak during catch-up mode, then they can contribute to the discussion, but the comments cannot be mixed into the real-time conference because the live conference has already progressed beyond the playback point
Solution Approach 1:
The system segments the conference participation into distinct modes: live mode and catch-up mode. Each mode has separate handling for speech input. In catch-up mode, speech is captured but not transmitted to the live conference stream. Instead, it is stored and can be played back later when the participant rejoins the live conference at the appropriate time. This segmentation resolves the contradiction by allowing participant engagement without creating time mismatch issues.
Solution Approach 2:
The system performs preliminary action by capturing and storing speech input from participants in catch-up mode before the live conference progresses. The speech is recorded with temporal markers indicating when it was said relative to the live conference timeline. When the participant rejoins, the system plays back the recorded speech at the appropriate moment, ensuring it is integrated correctly without causing time confusion. This preliminary capture and storage resolves the contradiction between allowing engagement and maintaining timeline accuracy.
3Productivity
If the system provides continuous real-time audio streaming to all participants, then everyone can participate simultaneously, but participants who step away cannot catch up without permanently shifting away from real-time participation
Solution Approach 1:
The system makes the participation mode dynamic by allowing participants to switch between real-time mode and catch-up mode. In real-time mode, participants receive continuous audio streaming and can speak immediately. In catch-up mode, participants receive accelerated playback of recorded audio and have their speech prevented from interfering with the live stream. This dynamic flexibility resolves the contradiction by allowing participants to adapt their participation style based on their needs while maintaining real-time engagement when possible.
Data Source
AI summary
In one embodiment, a method includes receiving input indicating that an endpoint is dropping out of a real-time mode of attending an on-going conference session. A comment/question received from the endpoint is recorded along with a portion of the on-going conference session beginning at a time point when the endpoint dropped out of the real-time mode, The portion of the on-going conference session is then played back to the endpoint. At the point where the playback of the portion recorded catches up with the on-going conference session, the first endpoint is returned to the real-time mode of attending the on-going conference session. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure.