Dynamic Protocol Switching for Online Meeting Reliability
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Solution Overview
Problem
Existing systems for online meetings face challenges in maintaining reliable communications during challenging network conditions, particularly due to lossy connections and jitter, which affect the transmission of audio and video content, and existing solutions do not effectively address these issues by failing to manage network communications centrally.
Innovation Solution
The system dynamically switches between UDP and TCP protocols for online meeting content transmission based on detected connectivity issues, converting audio to text and vice versa using STT and TTS codecs, allowing for more reliable data transmission and rendering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If UDP protocol is used for audio and video transmission, then transmission speed is improved, but reliability deteriorates due to packet loss and jitter
Solution Approach 1:
The system dynamically switches between UDP and TCP protocols based on real-time network conditions. When network quality is good, UDP is used for fast transmission; when network quality deteriorates, the system transitions to TCP for reliable delivery, making the protocol selection adaptive rather than static
Solution Approach 2:
The patent introduces an intermediary mechanism (the protocol switching layer) that mediates between the application layer and transport layer. This intermediary monitors network conditions and selectively applies different transport protocols (UDP or TCP) to balance speed and reliability requirements
2Reliability
If TCP protocol is used for text transmission, then reliability is improved, but transmission speed deteriorates
Solution Approach 1:
The system applies different quality characteristics to different data types and network conditions. For text data over reliable connections, TCP is used; for audio/video over good connections, UDP is used. This localized optimization ensures each data stream uses the most appropriate protocol for its specific requirements
3Reliability
If audio is converted to text and transmitted over TCP, then reliability of transmission is improved, but system complexity increases
Solution Approach 1:
The system changes the format parameter of the content from audio to text, and the transport protocol parameter from UDP to TCP. These parameter changes enable reliable transmission of content data while maintaining audio playback capability through text-to-speech conversion at the receiving end
Data Source
AI summary
Systems are provided for managing and coordinating STT/TTS systems and the communications between these systems when they are connected in online meetings and for mitigating connectivity issues that may arise during the online meetings to provide a seamless and reliable meeting experience with either live captions and/or rendered audio. Initially, online meeting communications are transmitted over a lossy connectionless type protocol/channel. Then, in response to detected connectivity problems with one or more systems involved in the online meeting, which can cause jitter or packet loss, for example, an instruction is dynamically generated and processed for causing one or more of the connected systems to transmit and/or process the online meeting content with a more reliable connection/protocol, such as a connection-oriented protocol. Codecs at the systems are used, when needed to convert speech to text with related speech attribute information and to convert text to speech.