Mobile Terminal Call Volume Adjustment via Gravity Sensor
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Solution Overview
Problem
Users with hearing differences between their left and right ears face inconvenience when answering calls, as they need to continuously adjust the phone volume manually due to differing hearing sensitivities, leading to discomfort and dissatisfaction.
Innovation Solution
A method and device that detect gravity location information to automatically adjust the call volume based on whether the mobile terminal is being held in the left or right ear, using a pre-set gravity zero line and volume adjustment rules, and considering the distance between the terminal and the user's head to prevent misadjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the earphone volume remains unchanged, then the device structure is simple, but users with hearing differences experience discomfort and need to frequently adjust volume manually
Solution Approach 1:
The system pre-sets different volume levels corresponding to left and right ear listening scenarios. Before the user actually switches ears, the volume is already adjusted to the appropriate level, eliminating the need for manual adjustment during ear switching.
Solution Approach 2:
The system automatically detects ear switching through gravity sensor data and self-adjusts the volume without requiring user intervention. The device serves itself by monitoring its own orientation and making appropriate volume changes autonomously.
2Adaptability or versatility
If users frequently transfer the phone between left and right ears, then they can balance hearing comfort, but they need to continuously adjust volume manually which influences mood and causes dissatisfaction
Solution Approach 1:
The system continuously monitors gravity sensor data to detect changes in phone orientation. When the phone is transferred from one ear to the other, the sensor detects the orientation change and triggers automatic volume adjustment, providing real-time feedback-based adaptation.
Solution Approach 2:
The volume adjustment is triggered automatically upon detecting ear switch, preparing the appropriate volume level before the user even perceives the need for adjustment, thus eliminating manual intervention and time loss.
3Ease of operation
If automatic volume adjustment is implemented based on gravity detection, then user convenience is improved, but the device requires additional detection and control mechanisms
Solution Approach 1:
The patent leverages the existing gravity sensor, which is already present in mobile devices for other functions like screen orientation and step counting. By repurposing this existing sensor for volume adjustment, the system adds functionality without requiring dedicated hardware components.
Solution Approach 2:
The system uses the device's own built-in sensors to monitor its orientation and automatically adjusts volume based on detected ear switching. No external devices or additional user inputs are needed, as the device serves itself using its existing capabilities.
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
The solution enables automatic volume adjustment during calls, enhancing user experience by eliminating the need for manual volume adjustments and addressing the inconvenience caused by hearing differences between ears.
Implementation Method 1
perform detection for gravity location information of a terminal
Data Source
AI summary
Provided are a method and device for adjusting a call volume and a mobile terminal, wherein the method includes detecting gravity location information of a terminal when a given detection time is reached, and adjusting a current call volume in accordance with a given volume adjustment rule when the gravity location information and gravity location information obtained by last detection are separately located on two sides of a pre-set gravity zero line. The application of the present disclosure solves a problem in the related art that a user in a call using a left ear and a right ear alternatively usually needs to continuously adjust volume of an earphone manually because there is a hearing difference between the left ear and the right ear, which results in much inconvenience when answering a call, and thus the call volume during a call can be automatically adjusted, a performance of the mobile terminal is enhanced and user experience is improved.