Video Transcoding Server for WAN Delivery
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Solution Overview
Problem
Traditional methods for delivering video content over wide area networks, such as the Internet, often result in poor video quality and service interruptions during periods of high demand, as existing systems struggle to handle increased client loads.
Innovation Solution
A system that includes at least one server for transcoding or transrating video content to optimize delivery over a wide area network, using specialized hardware or software to convert formats and adjust bandwidth, allowing for adaptive content delivery based on factors like bandwidth and client capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If video content is delivered over WAN using traditional encoding methods, then the system is simple to implement, but video quality deteriorates and service interruptions occur during high demand periods
Solution Approach 1:
The patent segments the video delivery system into multiple components: original encoding for broadcast, transcoding for WAN, and transrating for adaptive delivery. This segmentation allows each component to specialize in its function, improving overall reliability while managing complexity through modular architecture.
Solution Approach 2:
The patent introduces transcoding and transrating servers as intermediary components between the broadcast source and WAN clients. These intermediaries convert video content into appropriate formats and bitrates, ensuring reliable delivery across varying network conditions without requiring changes to the original broadcast infrastructure.
2Reliability
If the number of clients increases, then the audience coverage expands, but frame drops and service interruptions increase
Solution Approach 1:
The patent dynamically changes video delivery parameters including bitrate, resolution, and encoding format based on network conditions and client capabilities. Transrating adjusts these parameters in real-time to prevent frame drops while supporting increased client capacity, allowing the system to scale without compromising reliability.
3Reliability
If video content is encoded for traditional broadcasting, then the video quality is high, but the content cannot be efficiently delivered over WAN
Solution Approach 1:
The patent implements dynamic encoding where video content is transcoded and transrated based on real-time network conditions and client capabilities. This dynamic approach allows the system to maintain high effective quality for WAN delivery by adapting encoding parameters to match both source quality and delivery requirements, rather than using static encoding.
Data Source
AI summary
A system, method, and computer program product are provided for delivering video content over a wide area network (WAN). Included is at least one server for transcoding or transrating the video content for delivery over the WAN.