Battery Cover Color Sync Through Layered Audio Processing
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Solution Overview
Problem
Existing electronic devices face challenges in adapting their audio subsystems to enable battery covers to change colors in synchronization with audio playback, particularly in complex Android operating systems.
Innovation Solution
A method and electronic device implementation that involves an application sending audio data through layers to obtain color change data, using algorithms to synchronize battery cover color changes with audio rhythms, and configuring independent paths for audio and color change data processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an electrochromic material is applied to the battery cover to enable color change, then the aesthetic interaction and user recognition are improved, but the device complexity and audio subsystem adaptation difficulty increase
Solution Approach 1:
The audio data processing is segmented into multiple independent layers: application layer, application framework layer, audio hub service layer, audio hardware abstraction layer, and kernel layer. Each layer processes specific aspects of the audio data independently, with the application layer sending audio data, the framework layer receiving it, the service layer obtaining color change data, the HAL layer configuring audio virtual devices, and the kernel layer playing audio through independent audio and battery cover paths.
Solution Approach 2:
An audio virtual device is introduced as an intermediary component in the audio hardware abstraction layer. This virtual device acts as a mediator that receives audio data from upper layers, configures the audio playing process, and coordinates between the audio playback function and the battery cover color change function, enabling seamless integration without direct complex interactions between the two functions.
2Ease of operation
If the battery cover color changes synchronize with audio rhythms, then the dual sensory experience is improved, but the data processing and coordination complexity increase
Solution Approach 1:
The data processing is divided into separate independent paths: one path handles audio data playback through the audio virtual device, while another path extracts color change data from the audio data and transmits it to the battery cover. This segmentation allows both audio playback and color synchronization to occur simultaneously without interfering with each other, reducing processing complexity.
Solution Approach 2:
The color change data is obtained and prepared in advance during the audio data processing flow. The service layer obtains color change data based on the audio data before the actual playback occurs, and the HAL layer configures the audio virtual device in advance. This preliminary preparation ensures that when audio playback starts, the color synchronization is already configured and ready to execute seamlessly.
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
Enables the battery cover to change colors in synchronization with audio playback, providing a dual sensory experience and enhancing user interaction through visual cues during events like incoming calls, alarms, or schedule reminders.
Implementation Method 1
Electrochromism is a phenomenon that optical properties (reflectivity, transmittance, absorption rate, and the like) of a material undergo a stable and reversible color change under the action of an external electric field
Data Source
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AI summary
This application provides a battery cover color change method applicable to an electronic device and the electronic device. The electronic device includes an application and a battery cover. The method includes: sending audio data to an audio playing process by the application; in an audio playing process, obtaining color change data based on the first audio data, where the color change data corresponds to rhythms of the first audio data; and playing the first audio data while the battery cover changes colors in accordance with the rhythms of the first audio data driven by the color change data. Through the present invention, the battery cover color change function is realized by using the audio playing process of the electronic device, so that the battery cover can change colors with the rhythms of the played audio.