Display Brightness Modulation via Audio Energy Synchronization
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Solution Overview
Problem
Existing display technologies fail to dynamically adjust brightness levels in response to audio properties of multimedia content, leading to suboptimal user viewing experiences by either attenuating the average brightness or not synchronizing with audio fluctuations.
Innovation Solution
A method that involves receiving a mean energy curve associated with an audio file and modulating the display brightness based on audio properties, ensuring the average brightness remains consistent with the default setting by applying a dynamic coefficient and adjusting screen brightness in real-time according to audio parameters such as volume and specific sound events.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If display brightness is dynamically adjusted to match audio energy levels, then user viewing experience is improved through synchronization with audio fluctuations, but average brightness may be attenuated below default levels
Solution Approach 1:
The system pre-calculates the average energy level of the audio file before playback and uses this information to determine an appropriate baseline brightness offset. This preliminary analysis allows the system to adjust the brightness modulation strategy in advance, ensuring that the average brightness over the entire playback period matches the default display brightness level.
Solution Approach 2:
The system dynamically changes the brightness parameter based on the instantaneous audio energy level, while simultaneously adjusting the baseline offset parameter to compensate for expected variations. This dual-parameter approach allows brightness to track audio fluctuations while maintaining the correct average brightness level over time.
2Illumination intensity
If display brightness is increased to compensate for audio energy variations, then average brightness is maintained, but peak brightness levels may exceed comfortable viewing thresholds
Solution Approach 1:
The system implements dynamic brightness adjustment that adapts to real-time audio energy levels rather than using a static offset. The brightness modulation is continuous and proportional to the instantaneous audio energy, allowing the display to naturally follow audio dynamics without requiring excessive peak brightness levels.
Solution Approach 2:
The system monitors the actual brightness output and compares it against the target average brightness level, then adjusts the modulation depth and offset in real-time to maintain the correct average while preventing excessive peaks. This feedback mechanism ensures brightness remains within comfortable viewing thresholds.
Data Source
AI summary
The disclosed technology provides solutions for enhancing a user's experience of content playback, such as that of a user that is viewing multimedia content, such as a music video, on a mobile device. In some aspects, a process of the disclosed technology can include steps for receiving a mean energy curve associated with a sound file and dynamically modulating a brightness level of a displayed content on a display based on audio properties of the mean energy curve whereby an average brightness experienced over playback of the displayed content is equal to a default brightness of the display.