Separate Network Channels for Video and Content Transmission
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Solution Overview
Problem
Conventional networked conference systems face challenges in transmitting content, such as documents, with reduced image quality due to embedding content into video signals, leading to less sharp or distorted images on recipient displays.
Innovation Solution
Separate network channels are used to transmit video and content signals, allowing for end-to-end encryption and combining them at the destination device for improved quality, with options for display as a background or picture-in-picture configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If content is embedded into the video signal before network transmission, then content can be shared during the conference, but the image quality becomes less sharp or distorted
Solution Approach 1:
The patent divides the transmission system into separate channels: one for video signals and another for content signals. This segmentation allows content to be transmitted without being embedded in the video signal, thereby maintaining high image quality while still enabling content sharing during the conference.
2Adaptability or versatility
If content is transmitted through intermediate network servers, then networked conference functionality is enabled, but processing overhead reduces transmission efficiency
Solution Approach 1:
The patent extracts the content transmission function from the intermediate network server processing path. Content signals are transmitted directly from the source device to destination devices through separate network channels, bypassing intermediate server processing. This extraction eliminates processing overhead while maintaining networked conference functionality.
3Manufacturing precision
If video and content signals are transmitted separately over different network channels, then image quality is improved, but system complexity increases
Solution Approach 1:
The patent utilizes the existing network infrastructure to carry both video and content signals through separate channels. The network server and communication protocols are designed to handle multiple signal types universally, allowing separate transmission of video and content without requiring fundamentally new system components, thus managing complexity while improving image quality.
Data Source
AI summary
Methods and systems for transmitting content during a networked conference. In an embodiment, a method is provided that includes establishing a network connection between a first user equipment (UE) and a second UE, generating a video signal at the first UE, selecting content at the first UE, transmitting the video signal from the first UE over a first network channel, and transmitting the content from the first UE over a second network channel. The method also includes receiving the video signal on the first channel at the second UE, receiving the content on the second channel at the second UE, combining the video signal and the content into a combined video signal at the second UE, and displaying the combined video signal on a display device at the second UE.