Earphone Detection Module Multi-Position Signal Analysis
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Solution Overview
Problem
Existing earphone detection systems face accuracy and sensitivity issues due to fixed detection positions that do not account for individual ear structures, leading to mismatched signal detection and incorrect determination of wearing states.
Innovation Solution
A method that acquires and analyzes signal parameters from multiple preset positions on the earphone to determine a target position for accurate state detection, allowing for dynamic adjustment of detection points based on user-specific ear anatomy, thereby improving the accuracy and sensitivity of wear state detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If fixed detection positions are used, then device complexity is reduced, but measurement precision deteriorates due to mismatch with individual ear structures
Solution Approach 1:
The detection module is segmented into multiple independent detection units positioned at different locations (first detection position, second detection position, etc.). Each detection unit independently detects signals from its specific position, allowing the system to capture comprehensive ear structure information without requiring a complex single-point detection mechanism.
Solution Approach 2:
The detection approach transitions from a single-point detection to multi-point spatial detection. By adding the dimension of spatial distribution with multiple detection positions arranged in specific patterns (such as triangular or circular arrangements), the system achieves better adaptability to individual ear structures while maintaining relatively simple device architecture.
2Measurement precision
If multiple preset positions are used for detection, then measurement precision is improved, but device complexity increases
Solution Approach 1:
Multiple detection units are merged into a unified detection module that shares common control logic and signal processing pathways. The detection units work cooperatively, with their signals combined through the existing control circuitry, thereby achieving enhanced detection precision without proportionally increasing overall device complexity.
Solution Approach 2:
The detection module is designed with multi-functionality, where the same detection units and control circuitry can detect different earphone states (worn, unworn, improper fitting) by analyzing signals from multiple positions. This universal detection capability allows the system to handle various detection scenarios without requiring separate specialized detection systems for each function.
Data Source
AI summary
Disclosed are a method of detecting earphone state, an earphone and a computer-readable storage medium. The method includes: acquiring a plurality of first signal parameters detected in response to that an earphone is in a preset mode, in the preset mode, the earphone is in a worn state or the earphone is switched between the worn state and an unworn state, and different first signal parameters are configured to correspond to different preset positions on the earphone; determining at least one preset position among a plurality of preset positions as a first target position according to the plurality of first signal parameters; detecting second signal parameters of the first target position to acquire at least one second signal parameter; and determining state information of the earphone according to the at least one second signal parameter.