Smart Home Speaker Volume Control Using Proximity Sensing
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Solution Overview
Problem
Smart home environments face challenges in dynamically adjusting speaker volumes to suit various contexts, such as user proximity to authentication devices and room sizes, leading to potential disturbance or inaudibility of alarms and alerts.
Innovation Solution
A computer-implemented method and system that utilize proximity sensors to detect distances and adjust speaker volumes based on predefined sound levels associated with detected distances, allowing for dynamic volume adjustment in response to user interactions with authentication devices and room characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the speaker volume is increased to ensure all occupants can hear alarms and alerts, then the alarm effectiveness is improved, but occupants may be disturbed unnecessarily when the alarm is too loud
Solution Approach 1:
The system dynamically adjusts speaker volume based on real-time proximity sensor data detecting occupant distance from the authentication device. When occupants are far away, volume is increased to ensure alarm effectiveness; when occupants approach the authentication device, volume is decreased to minimize disturbance while maintaining reliability for distant occupants
Solution Approach 2:
The system changes the audio output parameter (volume level) based on detected occupant proximity. Different volume levels are applied depending on the distance parameter measured by proximity sensors, allowing the same alarm system to adapt its output characteristics to current environmental conditions
2Object-affected harmful factors
If the speaker volume is decreased to minimize disturbance to occupants, then occupant comfort is improved, but the alarm may become inaudible to occupants in the home
Solution Approach 1:
The system applies different volume levels to different spatial zones. Occupants near the authentication device experience lower volume to minimize disturbance, while occupants farther away receive higher volume to ensure audibility. This local differentiation resolves the contradiction by making the alarm appropriately loud for each occupant's location
3Device complexity
If a fixed preset volume is used for alarms, then device complexity is reduced, but the speaker may be too loud or too quiet for different situations and locations
Solution Approach 1:
The system automatically adjusts volume based on proximity sensor input without requiring manual user configuration. The device serves itself by detecting occupant distance and autonomously selecting appropriate volume levels, maintaining simplicity while achieving adaptability across different situations
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures that alarms and alerts are audible and comfortable for occupants while maintaining effectiveness in alerting them to hazards or security system status, minimizing disturbance and ensuring all occupants can hear notifications.
Implementation Method 1
A signal from a proximity sensor of a smart home environment indicating a detected distance to a person may be received
Data Source
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AI summary
Systems and techniques are provided for dynamic volume adjustment. A signal including a detected distance to a person may be received from a proximity sensor of a smart home environment. A volume adjustment for a speaker of the smart home environment may be generated based on the detected distance to the person and a sound level associated with the detected distance to the person. The volume of the speaker may be adjusted based on the volume adjustment. A signal from a sensor of the smart home environment indicating that the sensor has been tripped may be received. The proximity sensor may be triggered based on the received signal indicating the sensor has been tripped to detect a distance to the person to generate the detected distance. An alarm may be sounded through the speaker.