Audio Confidentiality Protection via Dynamic Exposure Segmentation
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Solution Overview
Problem
Public safety officers face challenges in protecting confidential audio transmissions from being overheard or recorded by unauthorized individuals in public areas, as existing systems do not effectively modify audio content based on real-time exposure levels during emergency communications.
Innovation Solution
An electronic computing device partitions audio messages into segments with assigned confidentiality levels and determines the current exposure level of the audio output device, modifying the message by rephrasing sensitive content when the exposure level is high to prevent unauthorized access and distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If audio messages are transmitted in speaker-phone mode for public safety officers to hear during duties, then the audio is audible to the officer, but unauthorized persons in public areas can overhear and record the audio
Solution Approach 1:
The audio message is divided into multiple segments, each assigned a confidentiality level. This segmentation allows the system to selectively modify or protect specific portions of the audio content based on their sensitivity, enabling confidential information to be protected while maintaining operational audibility for authorized users.
Solution Approach 2:
Different confidentiality levels are assigned to different segments of the audio message based on their local characteristics. The system applies different processing (modification or protection) to different segments according to their confidentiality requirements, rather than treating the entire audio message uniformly.
2Reliability
If audio messages are modified to protect confidential content, then confidentiality is maintained, but the audio message content is altered
Solution Approach 1:
The system changes the confidentiality parameter of audio message segments by applying modification techniques when high confidentiality is required. This parameter change allows the same audio content to be presented in different forms (modified vs. original) depending on the exposure level and confidentiality requirements.
3Reliability
If the system determines exposure level and modifies audio in real-time, then confidentiality is protected in high-exposure areas, but the system complexity increases
Solution Approach 1:
The system dynamically adjusts the audio message based on real-time exposure level determination. The confidentiality level assignment and modification decisions are made dynamically according to the current environmental context, allowing the system to adapt to changing conditions without requiring complex static configurations.
Data Source
AI summary
A process for protecting confidentiality of audio messages that are received at an electronic computing device for providing a corresponding audio output at electronic audio output devices. In operation, the electronic computing device partitions the audio message into audio content segments, where each audio content segment is assigned to a respective confidentiality level. The electronic computing device determines a current exposure level of the electronic audio output device. The electronic computing device further determines whether the audio message is to be modified based on a current exposure level of the electronic audio output device and the respective confidentiality level assigned to each audio content segment. An audio output corresponding to the modified audio message is provided at the electronic audio output device when it is determined that the audio message is to be modified.