Audio Packet Control Information Routing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing distributed voice communication systems in environments like trains face challenges in ensuring failure-safe communication of critical control data, particularly for safety functions, where interruptions can occur due to reliance on main controllers and lack of redundancy.
Innovation Solution
A method where control information, including routing and priority data, is transmitted within dedicated data fields of audio data packets, allowing direct communication between source and destination without intermediate decision blocks, and incorporating authentication for secure communication, ensuring high availability and instant action capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If control information is transmitted over IP streams using main controller management, then communication can be established, but link interruptions occur when failures happen and setup time is required
Solution Approach 1:
The patent extracts control information from the audio stream and transmits it through separate dedicated data fields in audio data packets. This separation allows control information to be transmitted independently without being affected by audio stream failures or requiring main controller intervention, thus improving reliability while reducing controller dependency.
Solution Approach 2:
The patent segments control information into distinct data fields within audio packets, including routing information, functional priority indications, and safety integrity levels. This segmentation enables independent processing and transmission of control data, eliminating the need for complex main controller management and reducing points of failure.
2Reliability
If audio streaming is used for safety communication with redundancy, then safety requirements are met, but device complexity and resource requirements increase
Solution Approach 1:
The patent combines control information transmission with the existing audio streaming infrastructure by embedding control data within audio packet structures. This merging allows safety-critical control information to be transmitted using the same communication channel as audio, eliminating the need for separate redundant safety communication channels and reducing device complexity.
Solution Approach 2:
The patent makes the audio communication system multi-functional by enabling it to carry both audio data and control information simultaneously through different data fields within the same packet structure. This universality allows the system to handle both safety-critical control communication and audio streaming through a single infrastructure, reducing redundancy requirements.
3Reliability
If control data is transmitted in audio data packets with dedicated fields, then failure-safe communication is achieved, but data field structure complexity increases
Solution Approach 1:
The patent assigns specific local qualities to different data fields within the audio packet structure, with dedicated fields for routing information, functional priority, and safety integrity levels. Each field has a specific purpose and format, allowing receiving devices to efficiently extract and process only the relevant control information needed for their function, managing complexity through structured localization of data.
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The present invention relates to a method for communicating over a voice communication system operable over a digital communication network control information related to a component of the voice communication system, said control information at least comprising routing information, the method comprising the steps of - sending to at least one destination audio data packets (10) over the digital communication network, at least one of the audio data packets comprising a header, a payload (11) and a data field (12) comprising at least a part of the control information comprising said routing information, - receiving at the at least one destination the at least one of the audio data packets comprising the header, the payload and the data field, - analysing said at least part of the control information and performing at least a routing action on the component of the voice communication system based on the control information in the data field.