Mobile Audio Volume Adaptation Using Environmental Noise Feedback
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Solution Overview
Problem
Users of mobile electronic devices face inconvenience when trying to hear multimedia files or make calls in noisy environments, as they must frequently manually adjust the volume to compensate for varying noise levels, disrupting their experience.
Innovation Solution
A method and device that automatically adjust the playing volume based on environmental noise by periodically sampling and analyzing sound to determine if the noise level exceeds the current volume, allowing for real-time adjustments to ensure clear audio without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual volume adjustment is used, then the user can control the playing volume, but the user must frequently adjust the volume in noisy environments which disrupts the user experience
Solution Approach 1:
The system automatically monitors environmental noise levels and adjusts the playing volume without user intervention. The mobile electronic device performs self-service by detecting noise through the recording unit, analyzing the noise level, and automatically modifying the volume output to maintain clear audio playback in varying acoustic environments.
Solution Approach 2:
The system implements a feedback loop where the recording unit continuously monitors environmental noise, the processor analyzes the noise level, and the playing volume is adjusted based on this feedback. This closed-loop control ensures the volume adapts dynamically to changing acoustic conditions without requiring manual user input.
2Adaptability or versatility
If automatic volume adjustment is implemented, then the user experience is improved, but the device complexity increases
Solution Approach 1:
The recording unit, originally designed for audio recording purposes, is also utilized for environmental noise detection and analysis. This multi-functional use of existing hardware components enables automatic volume adaptation without requiring additional dedicated sensors or complex specialized hardware, thereby limiting the increase in device complexity.
Solution Approach 2:
The noise detection, noise analysis, and volume control functions are merged into a unified automated system. The processor combines the recording capability with noise level analysis and volume adjustment logic, creating an integrated solution that adapts to environmental conditions while maintaining a streamlined system architecture.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances user convenience by automatically adapting the volume to environmental conditions, reducing the need for manual adjustments and improving the listening experience in varying noise levels.
Implementation Method 1
a present first environmental noise is sampled
Data Source
AI summary
A method for volume adaptation, a mobile electronic device and a computer program product are disclosed. According to the method for volume adaptation, a sound producing function is started. At intervals, a present first environmental noise is sampled, a present set playing volume of the mobile electronic device is inquired about, and a second environmental noise occurring on setting the playing volume is obtained. Finally, the playing volume is adjusted according to the first environmental noise and the second environmental noise. In this way, the present invention is able to automatically adjust the playing volume thereof in response to the environmental noises of different times, which largely increases the convenience of using the mobile electronic device.