Network Audio Stream Security via Automatic Device Pairing
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Solution Overview
Problem
Existing audio systems lack secure and robust communication methods between digital signal processors and amplifiers, often resulting in unencrypted and insecure transmission of audio signals, particularly in private or sensitive settings.
Innovation Solution
The implementation of a method and system that automatically identifies similar audio devices manufactured by the same manufacturer, designates a controlling device, and issues secure communication protocols to establish encrypted communications between them, using proprietary protocols like Crestron's DM-NAX or switching to open standards like AES67 for third-party devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If secure communication protocols are implemented between audio devices, then communication security is improved, but device complexity increases
Solution Approach 1:
The system automatically detects similar audio devices and establishes secure communication protocols without manual configuration. The controlling audio device autonomously manages protocol selection and implementation, eliminating the need for user intervention while maintaining security.
Solution Approach 2:
The system dynamically selects between proprietary secure protocols (for similar devices) and open standards like AES67 (for third-party devices) based on device compatibility parameters. This adaptive parameter change optimizes both security and interoperability.
2Reliability
If manual implementation of secure communication is used, then communication security can be achieved, but ease of operation deteriorates
Solution Approach 1:
The system performs automatic device detection, protocol selection, and secure communication establishment without requiring manual configuration. Users simply connect devices, and the system autonomously handles all security setup processes.
Solution Approach 2:
The system pre-configures secure communication protocols during device initialization and pairing, before actual audio transmission begins. This preliminary setup ensures security is already in place when communication starts.
3Reliability
If proprietary secure protocols are used for similar devices, then communication security and robustness are improved, but adaptability to third-party devices deteriorates
Solution Approach 1:
The system implements multiple communication protocols, using proprietary secure protocols for similar audio devices while falling back to open standards like AES67 for third-party devices. This multi-functionality ensures both security for compatible devices and broad interoperability.
Solution Approach 2:
The controlling audio device acts as an intermediary that translates between proprietary protocols and open standards, enabling secure communication within the manufacturer's ecosystem while maintaining compatibility with third-party equipment through standard protocols.
Data Source
AI summary
Described herein is a system and method for substantially automatically establishing secure communications between similar audio devices, comprising: determining that at least two of two or more audio devices in an audio distribution network are similar audio devices, wherein the similar audio devices are manufactured by the same manufacturer and share a common secure communications protocol; designating one of the at least two or more similar audio devices as the controlling audio device; and issuing communications protocols by the controlling device to the remaining similar audio device, wherein the communications protocols are secure communications protocols, and wherein communications between the similar devices from therein after use the secure communications protocols.