Earphone Volume Control Using Noise and Motion Time Windows

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Solution Overview

Problem

Existing earphone volume adjustment methods often result in inappropriate and rapid changes in volume due to errors in determining user scenarios, leading to a poor user experience, especially when external noise levels fluctuate quickly, such as during events like an ambulance passing by.

Innovation Solution

The method involves detecting external environmental noise intensity and obtaining user position and motion status to determine a time window for adjusting the earphone volume, using a preset correspondence to set appropriate volume adjustments based on noise intensity, and considering physiological status and service type for tailored adjustments.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If earphone volume is automatically adjusted according to external environmental noise, then volume adjustment convenience is improved, but volume stability deteriorates due to rapid and inappropriate changes

Engineering Contradiction:
Improvevolume adjustment convenienceVSAvoidvolume stability
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The system performs preliminary detection of external environmental noise and user context (position, motion status) before adjusting volume. By pre-assessing the situation and using a time window to evaluate noise intensity changes, the system avoids hasty volume adjustments and ensures stability while maintaining automatic adjustment convenience.

Inventive Principle:
Principle #10Preliminary action

2Extent of automation

If scenario determination is based solely on external environmental noise, then automation extent is improved, but measurement precision deteriorates due to errors in scenario determination

Engineering Contradiction:
Improveautomatic scenario recognitionVSAvoidscenario determination accuracy
Core Design Contradiction:
Extent of automationVSMeasurement precision

Solution Approach 1:

The system merges multiple detection dimensions including external environmental noise, user position information, and motion status to determine the user scenario. This combination of multiple data sources improves scenario determination accuracy while maintaining automatic operation, resolving the contradiction between automation extent and measurement precision.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If earphone volume responds rapidly to noise changes, then adaptability is improved, but reliability deteriorates due to inappropriate overadjustment

Engineering Contradiction:
Improvevolume adaptability to noiseVSAvoidvolume adjustment reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system continuously monitors external environmental noise and compares it with preset thresholds over a time window, using feedback to determine whether volume adjustment is necessary. This feedback mechanism ensures that volume adjustments are reliable and appropriate, avoiding overadjustment while maintaining adaptability to actual noise conditions.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11005439B2Earphone volume adjustment method and apparatus
Publication Date: 2021.05.11 HUAWEI TECH CO LTD
  • US11005439B2 patent drawing
  • US11005439B2 patent drawing

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.