Game Audio Quality Scaling Under CPU Load
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Solution Overview
Problem
Video game systems face performance issues during intense gameplay due to processing limitations, leading to dropped audio components and a detrimental user experience, as the CPU capacity is often divided between audio and visual requirements, with existing methods failing to optimize CPU usage effectively.
Innovation Solution
A method for dynamically adjusting audio output quality based on processing unit usage, prioritizing audio components, and using gaze tracking to focus on user focus, predicting potential bottlenecks, and adjusting quality preemptively to maintain an optimal user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If CPU capacity is divided between audio and visual requirements with fixed allocation, then audio processing is provided with guaranteed budget, but audio components may be dropped when processing capacity is reached
Solution Approach 1:
The patent implements dynamic audio quality adjustment where the system continuously monitors CPU usage and adapts audio component quality in real-time. When CPU usage exceeds thresholds, the system reduces quality of lower-priority audio components (such as background music or ambient sounds) while maintaining higher-priority components (such as dialogue or critical sound effects). This dynamic adaptation prevents audio component dropping while maximizing CPU utilization throughout the gameplay experience.
Solution Approach 2:
The system changes audio processing parameters (quality level, bitrate, sample rate) based on measured CPU usage. By adjusting these parameters dynamically, the system can process more audio components within available CPU capacity without simply dropping them, thus improving both reliability and productivity simultaneously.
2Reliability
If audio quality is maintained at high level, then user experience is improved, but processing requirements increase and may exceed CPU capacity during intense gameplay
Solution Approach 1:
The patent applies different quality levels to different audio components based on their priority and importance to user experience. Critical audio components (dialogue, weapon sounds, enemy alerts) are maintained at high quality regardless of CPU load, while less critical components (background music, ambient effects) have their quality dynamically adjusted. This local quality differentiation maintains overall user experience while reducing total processing requirements during intense gameplay.
3Quantity of substance
If more audio components are processed, then audio output richness is improved, but processing time increases and may cause performance issues
Solution Approach 1:
The system processes audio components at varying levels of detail based on current CPU capacity. When CPU usage is high, the system processes only the essential portions of audio components at reduced quality rather than processing all components at full quality. This partial processing approach allows more components to be included in the output stream without exceeding processing time limits, thereby increasing the quantity of audio components while managing processing time effectively.
Data Source
Figure 1A~1B
Figure 2A~2B
AI summary
A method for adjusting the audio output of a video gaming system during gameplay, the method comprising: measuring the usage of a processing unit of the video gaming system during gameplay, wherein the video gaming system is configured to output an audio stream comprising a plurality of audio components, the processing unit configured to process an audio data file to output each audio component; adjusting an output quality of one or more audio components of the audio stream in response to the measured usage of the processing unit. The method allows for dynamic adjustment of the audio output quality based on the capacity of the processing unit.