Electronic Device Mute Control via Hand Gesture Detection
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Solution Overview
Problem
There is a need for a simple, intuitive, and effortless means to control electronic devices, particularly in scenarios where private conversations are required during voice calls, such as when the location of the mouthpiece is unknown, like in wearable devices.
Innovation Solution
An electronic device is equipped with a method to detect a hand gesture, specifically a cupped hand covering the mouthpiece area, which activates a mute feature to momentarily disable the microphone during a voice call, allowing users to conduct private conversations without needing to identify the exact mouthpiece location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the mouthpiece location is made accessible for muting, then the ease of operation is improved, but the device complexity increases due to additional sensors or indicators
Solution Approach 1:
The system uses the existing microphone to detect the hand gesture for muting, and the existing speaker to provide visual feedback through sound. The mouthpiece area itself serves as the sensing surface, eliminating the need for separate sensors. This self-service approach resolves the contradiction by using existing components to achieve the muting function without adding complexity.
Solution Approach 2:
The mouthpiece area serves multiple functions: it is both the microphone input and the sensing surface for hand gesture detection. The same physical area that captures audio also detects the user's intent to mute, consolidating functions rather than separating them. This multi-functionality reduces device complexity while maintaining ease of operation.
2Ease of operation
If hand gesture detection is implemented for muting, then the ease of operation is improved, but the reliability decreases due to false detections
Solution Approach 1:
The system provides immediate audio feedback through the speaker when a hand gesture is detected. The speaker emits a sound that confirms the muting action has been triggered. This feedback mechanism helps users verify the system's response and allows for immediate correction if a false detection occurs, thereby improving reliability while maintaining ease of operation.
Solution Approach 2:
The system requires a specific hand gesture pattern (cupped hand position) to trigger muting, which is a partial action rather than any random hand movement. This specificity filters out false detections while keeping the interaction simple. The gesture requirement is excessive enough to prevent accidental activation but simple enough for easy operation.
3Ease of operation
If the mouthpiece area is covered for privacy, then the ease of operation is improved, but the audio quality deteriorates
Solution Approach 1:
The system dynamically adjusts the microphone's operational state based on real-time detection of hand gestures over the mouthpiece area. When a cupped hand is detected, the system transitions to muting mode, blocking audio input. When the hand is removed, audio input is restored. This dynamic control allows users to easily achieve privacy while maintaining audio quality when needed, resolving the contradiction between privacy control and audio quality.
Data Source
AI summary
An apparatus and method of an electronic device for controlling the electronic device are disclosed herewith. The method includes determining that the electronic device is engaged in a voice call. The method further includes detecting at least one object that covers at least a predetermined portion of a mouthpiece area of the electronic device while the electronic device is engaged in the voice call. Furthermore, the method activates an electronic mute feature of the electronic device in response to detecting the at least one object.