Dynamic Vibration Signal Generator for Gaming Headphones
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Solution Overview
Problem
Existing vibration systems in entertainment devices, such as gaming headphones, often rely on low-frequency audio signals for vibration effects, which can result in annoying long vibrations from stationary sounds and fail to enhance the overall audio experience.
Innovation Solution
A device and method for generating a vibration source-driving signal that processes input signals to isolate dynamic changes, using detection units with different time responses to create a control signal that emphasizes low-frequency content while suppressing steady-state signals, thereby enhancing the vibration experience by synchronizing vibrations with audio and visual effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If low-frequency audio signals are used for vibration effects, then vibration intensity is improved, but annoying long vibrations from stationary sounds occur
Solution Approach 1:
The patent applies dynamics by transitioning from static low-frequency signal processing to dynamic signal processing that adapts to changing audio conditions. The system continuously analyzes the audio signal's temporal characteristics and adjusts vibration output accordingly, enabling the vibration system to respond dynamically to transient events while avoiding continuous vibration from stationary sounds.
Solution Approach 2:
The patent implements periodic action through rhythmic vibration patterns that synchronize with the temporal structure of audio signals. By detecting periodic elements in the audio (such as beats or rhythmic patterns) and matching vibration cycles to these periodicities, the system creates engaging vibration effects that naturally conclude when the audio signal does, avoiding unwanted continuous vibration.
2Force
If low-frequency part of audio signal is processed for vibration, then vibration effect is enhanced, but dynamic response is reduced
Solution Approach 1:
The patent applies segmentation by dividing the audio signal processing into distinct temporal segments or frames. The system analyzes short time windows of the audio signal to detect dynamic changes, allowing it to respond quickly to transient events while maintaining the low-frequency vibration effect. This segmentation enables the system to capture both the sustained low-frequency content and the rapid temporal variations.
Solution Approach 2:
The patent implements preliminary action by pre-processing the audio signal to extract low-frequency components and prepare vibration control data before the actual vibration occurs. The system analyzes the audio signal in advance to identify upcoming transient events or changes, allowing the vibration system to be prepared and respond more quickly when these events occur, thus improving dynamic response while maintaining vibration effect.
Data Source
AI summary
A device (100) for generating a vibration source driving signal (DS) is described, which device (100) comprises an input (101) for receiving an input signal (IS) and an output (102) for providing said driving signal (DS), generating means (103; 803) for generating a control signal (CS) which is representative of dynamic signal changes of the input signal (IS), and a processing unit (105; 201; 301; 401; 804) adapted to process a source signal (SRS; IAS) based on the control signal (CS) yielding said driving signal (DS).