Virtual Meeting Room Gateway for Low Latency Video
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Solution Overview
Problem
Current videoconferencing solutions are fragmented and require users to navigate complex trade-offs between price, quality, and compatibility, limiting adoption due to the need for specific hardware and protocols, and offering suboptimal user experiences.
Innovation Solution
A Virtual Meeting Room (VMR) system that integrates disparate video conferencing systems and protocols, hosted in the cloud, enabling low-latency, high-quality video calls across various devices and platforms without the need for expensive hardware, using a globally distributed infrastructure and media processing nodes to manage and compose audio and video streams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If hardware based videoconferencing systems are used to achieve low latency and high-definition calls, then video quality is improved, but cost and device complexity increase significantly
Solution Approach 1:
A cloud-based gateway server acts as an intermediary between video endpoints with different capabilities. The gateway performs video encoding, decoding, and format conversion, allowing simple software-based endpoints to communicate with each other and with hardware-based systems without requiring complex hardware at each endpoint.
Solution Approach 2:
The system creates software-based video endpoints that replicate the functionality of expensive hardware-based systems. By implementing video conferencing capabilities in software running on standard devices, the system eliminates the need for specialized hardware while maintaining video quality and performance.
2Reliability
If proprietary hardware systems are deployed to achieve reliable video conferencing, then system reliability is improved, but adaptability to different protocols and vendors decreases
Solution Approach 1:
The gateway server is designed with multi-functionality to handle multiple video conferencing protocols (H.323, SIP, XMPP, and proprietary protocols) and support various video codecs simultaneously. This universal capability allows the system to adapt to different vendors and protocols while maintaining reliable communication through a single unified platform.
3Device complexity
If cloud-based video conferencing is implemented to reduce hardware costs, then device complexity is reduced, but network bandwidth requirements increase
Solution Approach 1:
The system implements local video processing at the gateway server, performing encoding and decoding operations close to the source rather than requiring high bandwidth for uncompressed video transmission. Video streams are processed and formatted locally at the gateway before being transmitted to endpoints, reducing the bandwidth burden on the network while maintaining simple software-based endpoints.
Data Source
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AI summary
A new approach is proposed that contemplates systems and methods to support error resilient coding of H.264 compatible video streams for low latency/delay multimedia communication applications by utilizing and integrating a plurality of error resilient H.264 encoding/decoding schemes in an efficient manner. These error resilient H.264 encoding/decoding schemes can be used to offer a better quality video even when there is network loss of picture frames in the video stream. It has the ability to recover from such loss and recover faster than other techniques without requiring additional data/frames to be sent over the network to achieve the same level of recovery.