Portable IP Multicast Box for Low-Latency Live Broadcast Distribution
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Solution Overview
Problem
Current remote broadcast terminal equipment is expensive, complex, and requires technical expertise, making it impractical for use in systems with hundreds of remote locations, particularly for live audio and video transmission, as it lacks high bandwidth capacity and is not easily set up by non-technical personnel.
Innovation Solution
A portable IP Multicast Box system that functions as both a remote multicast transmit unit and a host multicast receiver/server, utilizing a microcomputer system, CODEC, and custom software to enable high-bandwidth, low-latency transmission over the Internet, requiring only a power supply and network connection, and can be easily configured for use by non-technical operators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional remote terminal equipment is used for live program content transmission, then high quality audio content can be achieved, but the equipment cost becomes prohibitive and bandwidth is limited to minimum necessary levels
Solution Approach 1:
The system segments the broadcast functionality into simple remote terminals that only need to capture and transmit audio/video content, while complex processing functions are centralized at the host server. This allows remote terminals to use inexpensive components while maintaining high overall system quality.
Solution Approach 2:
The remote terminal is designed as a universal platform that can handle multiple program sources and transmission protocols, eliminating the need for specialized expensive equipment at each remote location. The terminal can serve various broadcast needs through software configuration rather than hardware specialization.
2Measurement precision
If technologically advanced remote terminals are deployed to provide high quality content, then program quality is improved, but the equipment requires trained personnel for installation and operation
Solution Approach 1:
The remote terminal incorporates automatic configuration capabilities and intuitive interfaces that allow non-technical personnel to set up and operate the equipment without specialized training. The system performs self-diagnosis and automatic optimization of transmission parameters.
Solution Approach 2:
A centralized management system acts as an intermediary between operators and the complex terminal functions, providing simplified control interfaces and automatic handling of technical parameters, thus shielding users from underlying complexity.
3Quantity of substance
If remote terminals are designed for high bandwidth capacity to handle multiple locations, then transmission capacity is improved, but the equipment becomes expensive and complex
Solution Approach 1:
The system moves bandwidth capacity from the individual terminal dimension to the network dimension. Each terminal maintains modest local bandwidth, while the centralized host server aggregates and manages high-capacity network connections, achieving high overall throughput without expensive terminals.
Solution Approach 2:
Multiple remote terminals are merged into a single coordinated system through the host server, which consolidates their combined bandwidth needs into centralized network connections. This allows cost-effective aggregation of capacity that would be prohibitively expensive at each individual terminal.
4Productivity
If conventional remote terminals are used for live broadcasting, then program content can be transmitted, but excessive latency occurs which degrades quality
Solution Approach 1:
The system performs preliminary actions by pre-configuring transmission parameters, establishing optimal encoding settings, and pre-synchronizing clocks across all terminals before live broadcasting begins. This eliminates setup delays and optimizes real-time performance.
Solution Approach 2:
The system dynamically adjusts transmission parameters such as bit rate, buffer sizes, and encoding complexity based on real-time network conditions and content type, optimizing the balance between transmission capability and latency for each specific broadcasting scenario.
Data Source
AI summary
A system for simultaneously distributing program content originating from hundreds of remote multicast transmit units to a global network such as the Internet, and configured to receive at a host multicast receiver/server the transmitted program content segments from each of the remote multicast transmit units in real time, at full bandwidth and minimum latency. A command center station coupled to a first output of the multicast receiver/server for distribution of the program content segments via a satellite broadcast network interface to one or more affiliated stations and a second output of the multicast receiver/server via a third party network interface for streaming distribution to the affiliated stations.