Hybrid Signal Router with Aggregation and Compression
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Solution Overview
Problem
Modern video production and processing facilities face challenges in handling large numbers of high-bandwidth video signals, requiring efficient switching and routing systems that can manage multiple sources and signals effectively.
Innovation Solution
A signal routing system comprising input and output ports, a crosspoint switch, an aggregation module for compressing signals, and an optical aggregation module for combining and transmitting signals over a communication network, along with a controller for coordinating operations, enables efficient switching and routing of video and audio signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large number of high-bandwidth video signals are transmitted simultaneously, then the signal quality and bandwidth requirements are met, but the system complexity and bandwidth consumption increase significantly
Solution Approach 1:
The system segments video signals into multiple lower-bitrate representations (e.g., 1080p, 720p, 480p, 360p resolutions) that can be independently selected and transmitted. This segmentation allows the system to handle high-bandwidth requirements by breaking down complex high-definition signals into manageable components that can be routed efficiently through the switching fabric without overwhelming the system's bandwidth capacity.
Solution Approach 2:
The system dynamically changes signal parameters (resolution, bitrate, format) based on destination requirements. The signal conversion capability allows transformation of a single input signal into multiple output signals with different parameters, enabling the system to maintain signal quality for each destination while reducing overall system complexity by using a unified switching architecture rather than dedicated paths for each signal type.
2Reliability
If multiple video signals are routed through dedicated paths, then signal quality is maintained, but the number of required switching components and bandwidth consumption increase
Solution Approach 1:
The switching fabric is designed as a universal resource that can handle multiple signal types and resolutions simultaneously through a single shared infrastructure. Instead of requiring dedicated switching paths for each resolution or signal type, the system uses one multi-functional switching fabric that can dynamically route any signal at any resolution level, thereby reducing total bandwidth consumption while maintaining signal quality through proper resource allocation.
Solution Approach 2:
The system adds a resolution dimension to signal routing, allowing the same physical signal to be represented at multiple resolution levels. This dimensional approach enables a single input signal to serve multiple destinations with different quality requirements without requiring separate physical paths, effectively reducing bandwidth consumption while maintaining the ability to deliver high-quality signals where needed.
3Quantity of substance
If signal compression is applied to reduce bandwidth, then bandwidth consumption decreases, but signal quality may be compromised
Solution Approach 1:
The system dynamically selects the appropriate signal resolution and compression level based on the specific destination's requirements. Rather than applying fixed compression to all signals, the system adapts the compression ratio and output resolution to match each destination's capabilities, ensuring that signal quality is optimized for each receiver while minimizing overall bandwidth consumption across the network.
Data Source
AI summary
Various signal routing systems are disclosed. Some routing systems include a crosspoint switch or switching fabric for coupling input ports to output ports, allowing an input signal received at one of the input ports to be transported to one or more of the output ports. The systems may include aggregation or compression modules to allow multiple input signals to be combined into one or more compressed signals, which may be converted into optical signals for transmission to a communication network. In some embodiments, the communication network may include a packet switched router which extracts some of the input signals from the optical signals and produced corresponding packetized signals that are coupled to output ports. Some routing system may include only a packet switched router. Some routing systems may be configured to receive compressed or aggregated signals and to decompress or deaggregate such signals to form individual signals as output signals.