In-Vehicle Audio Privacy Control Based on Passenger Detection
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Solution Overview
Problem
Electronic devices often inadvertently expose personal information due to unwanted audio outputs in the presence of non-users, such as when a user is driving and receiving private messages.
Innovation Solution
An electronic device equipped with a camera, microphone, and communication module to detect the presence of a passenger and analyze their relationship with the user, controlling audio output based on this information to prevent exposure of personal information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If audio output is provided continuously to support useful functions, then user convenience is improved, but personal information security deteriorates due to unwanted exposure to passengers
Solution Approach 1:
The audio output system dynamically adjusts its operation based on detected passenger presence and relationship information. The processor continuously monitors the environment and modifies audio output behavior in real-time, switching between different output modes (suppress, play, or selective play) based on current conditions rather than operating in a fixed state
Solution Approach 2:
The system implements feedback loops where the audio output is controlled based on detected information about passengers and their relationships with the user. The processor receives feedback from sensors and communication modules about the environment, then adjusts audio output accordingly, creating a closed-loop control system that adapts to changing conditions
2Object-affected harmful factors
If audio output is suppressed completely to protect privacy, then personal information security is improved, but user convenience deteriorates due to loss of useful functions
Solution Approach 1:
The system applies different quality levels of audio output protection to different situations and different types of audio content. Rather than uniformly suppressing all audio, it selectively applies privacy protection based on the specific context (passenger presence, relationship type) and audio attribute (message vs. music), allowing useful audio to play while blocking private information
Solution Approach 2:
The system changes the parameter of audio output control based on detected conditions. When private audio content is detected and a non-trusted passenger is present, the output parameter changes from 'play' to 'suppress' or 'selective play', dynamically adjusting the audio behavior to match the privacy requirements of the current situation
3Object-affected harmful factors
If relationship detection and analysis functions are added to control audio output, then personal information security is improved, but device complexity increases
Solution Approach 1:
The processor leverages existing multi-functional components (camera module, microphone, communication module) already present in the electronic device to perform relationship detection and analysis. Rather than adding dedicated hardware for each function, it utilizes the universal capabilities of existing components to gather information about passengers and their relationships
Solution Approach 2:
The system uses intermediary data (images from camera, sound from microphone, communication signals) as mediators to infer relationship information indirectly. Rather than directly measuring relationship quality, it uses observable intermediaries (visual appearance, voice characteristics, communication patterns) to determine trust levels and control audio output accordingly
Data Source
AI summary
Disclosed is an electronic device which includes at least one camera module, at least one microphone, a communication module, a memory, and a processor operatively connected to the at least one camera module, the at least one microphone, the communication module, or the memory, the processor being configured to detect whether a user has taken a vehicle based on detection of the vehicle through the communication module, determine an existence or nonexistence of a passenger in the vehicle based on at least one of an external electronic device searched for through the communication module, a sound collected by the at least one microphone, or an image obtained from the at least one camera module, identify relationship information on the passenger, analyze an attribute of audio of which an output has been requested, and control an audio output through the vehicle based on the relationship information and the attribute of the audio.