Audio Volume Adjustment on Hinged Multi-Screen Devices
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Solution Overview
Problem
Users of multi-screen mobile devices face challenges in adjusting audio volumes of different applications or graphical user elements across varying device positions and orientations, as existing methods are cumbersome and inconvenient.
Innovation Solution
A mobile computing device with a housing featuring two displays coupled by a hinge, equipped with forward-facing cameras and sensors to detect user orientation and facial presence, allowing the processor to adjust audio settings and stream audio accordingly, ensuring optimal volume balance based on user focus and angular displacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual volume adjustment controls are provided for each application on each screen, then users can precisely control individual audio volumes, but the device complexity and ease of operation deteriorate due to cumbersome controls
Solution Approach 1:
The system automatically adjusts audio volume settings without requiring manual user intervention. The processor monitors device orientation via sensors and application usage, then autonomously configures volume levels for each screen and application, eliminating the need for complex manual controls while maintaining precise audio management
Solution Approach 2:
The system dynamically changes audio volume parameters based on detected device orientation and active applications. When the device orientation changes or different applications are activated on each screen, the processor automatically adjusts the volume parameters accordingly, providing adaptive audio control without manual intervention
2Ease of operation
If automatic volume adjustment based on device orientation is implemented, then ease of operation improves, but measurement precision and reliability may worsen due to sensor dependency
Solution Approach 1:
The sensor system serves multiple functions: it detects both device orientation for audio adjustment and triggers different output modes based on angular measurements. By making the sensor system multi-functional and cross-validating its readings across different measurement purposes, the system improves reliability while maintaining automatic operation
Solution Approach 2:
The system continuously monitors device orientation through sensors and uses this feedback to dynamically adjust audio volume settings. This closed-loop feedback mechanism ensures that volume adjustments remain synchronized with actual device position, improving measurement reliability through continuous validation and correction
Data Source
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AI summary
A mobile computing device including a housing having a first part and a second part, the first part including a first display and a first forward facing camera, and the second part including a second display and a second forward facing camera, at least one speaker mounted in the housing, and a processor mounted in the housing and configured to display a first graphical user interface element having an associated first audio stream on the first display and to display a second graphical user interface element having an associated second audio stream on the second display, wherein the processor is configured to perform face detection on a first and a second image, adjust an audio setting based on a result of the face detection, and play the first and second audio streams out of the at least one speaker based on the adjusted audio setting.