Earphone Volume Adjustment Using Context-Aware Noise Time Windows
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Solution Overview
Problem
Existing earphone volume adjustment methods often result in inappropriate and rapid volume changes due to errors in determining user scenarios, leading to a poor user experience, especially when external noise levels fluctuate rapidly, such as during events like an ambulance passing by.
Innovation Solution
The method involves obtaining position and motion status information to determine a time window and adjust earphone volume based on external noise intensity within that window, considering environment type and user physiological status to prevent sudden volume changes and ensure appropriate volume adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If earphone volume is adjusted according to external environmental noise intensity alone, then the system responds quickly to noise changes, but the volume adjustment becomes inappropriate and fluctuates rapidly causing poor user experience
Solution Approach 1:
The system performs preliminary actions by obtaining position information and motion status before adjusting volume. It determines a time window based on user context (e.g., running, walking, stationary) and pre-processes noise intensity data within this window, thereby avoiding hasty volume adjustments and ensuring more reliable and appropriate volume control.
2Adaptability or versatility
If earphone volume is adjusted in real-time based on noise intensity, then the system adapts to environmental changes, but sudden volume changes occur when noise fluctuates rapidly leading to inappropriate adjustment
Solution Approach 1:
The system determines a time window based on position information and motion status before adjusting volume. This preliminary action filters out transient noise fluctuations and ensures that volume adjustments are based on sustained environmental conditions, thereby maintaining stability while adapting to genuine changes.
Solution Approach 2:
The system dynamically adjusts the time window size based on user motion status. When the user is running or moving quickly, a shorter time window is used; when stationary, a longer time window is applied. This dynamic adaptation allows the system to respond appropriately to environmental changes while maintaining stability based on user context.
3Device complexity
If the system uses only noise intensity for volume adjustment, then the adjustment process is simple, but errors in scenario determination lead to inappropriate volume changes
Solution Approach 1:
The system merges multiple data sources including position information, motion status, and noise intensity to determine the appropriate time window for volume adjustment. This combination of multiple parameters improves scenario determination accuracy while maintaining a relatively simple adjustment mechanism through integrated processing.
Data Source
Figure 1
Figure 2~3
AI summary
Embodiments of the present invention provide an earphone volume adjustment method and apparatus. The method includes: when it is detected that an intensity of external environmental noise is greater than a preset threshold, obtaining position information and/or a motion status of a user; determining a time window according to the position information and/or the motion status; and adjusting earphone volume according to an intensity of external environmental noise in the time window. According to the embodiments of the present invention, an inappropriate phenomenon such as turning up or turning down the earphone volume in a short time can be avoided, and the earphone volume can be appropriately adjusted by comprehensively considering the intensity of the external environmental noise and the position information and/or the motion status of the user. Therefore, user experience is improved.