Communication Device Environmental Detection for Privacy and Safety
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Solution Overview
Problem
Existing wireless communication systems do not effectively determine when a called party is using a speakerphone or in a vehicle, leading to potential privacy issues and safety concerns during calls.
Innovation Solution
A method and device that analyze audio signals and vehicle-based speakerphone system signals to determine environmental characteristics, such as speakerphone usage or vehicle status, and provide user-discernible indications to the caller, allowing them to adjust their communication accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a speakerphone system is used in a vehicle, then hands-free communication safety is improved, but privacy is worsened because other occupants can hear the conversation
Solution Approach 1:
The system performs preliminary detection of speakerphone usage status before the call begins. The called device analyzes audio signals to determine environmental characteristics (speakerphone status, vehicle presence) and communicates this information to the caller before the actual conversation starts, allowing the caller to make informed decisions about whether to proceed with the call.
2Device complexity
If the called device does not disclose environmental information, then device complexity is reduced, but the caller cannot make informed decisions about privacy and safety
Solution Approach 1:
The called device autonomously detects its own environmental characteristics (speakerphone status, vehicle location, motion state) and automatically communicates this information to the caller without requiring manual input or complex user interaction. The device serves itself by performing audio analysis and generating status indications that are transmitted to the calling device.
3Measurement precision
If audio signal analysis is performed continuously, then detection precision is improved, but energy consumption increases
Solution Approach 1:
The system performs audio signal analysis periodically rather than continuously. The called device analyzes audio signals at specific intervals to determine environmental characteristics, maintaining sufficient detection precision while significantly reducing energy consumption compared to continuous analysis. The analysis is triggered by call setup events or at predetermined time intervals.
Data Source
AI summary
A first communication device receives a communication from a second communication device. The communication could be part of the signaling used to establish a call to the second communication device or an audio signal that the second communication device conveys after its user has answered the call and started speaking. Based on the communication from the second communication device, the first communication device provides a user-discernible indication regarding the environment in which the second communication device is being used, such as an indication that the second communication device is being used with a speakerphone. If the second communication device is being used in a vehicle, the first communication device may also provide a user-discernible indication regarding the operational status of the vehicle, such as whether the vehicle is in motion and/or the number of occupants in the vehicle.