Acoustic Noise Mitigation via Adaptive System Control
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Solution Overview
Problem
Computing devices often produce audible acoustic noise due to vibrations and physical movements of electronic components, which can be problematic in various environments.
Innovation Solution
A computing device equipped with a sound sensor, location sensor, and an acoustic noise mitigator that adjusts system configuration parameters, such as state transition frequency and voltage regulator slew rate, based on background noise levels to minimize acoustic noise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If electronic components operate at high performance levels, then computing power and processing speed are improved, but acoustic noise from vibrations and physical movements increases
Solution Approach 1:
The patent implements dynamic adjustment of system configuration parameters based on real-time acoustic environment monitoring. The acoustic noise mitigator continuously monitors background noise levels and dynamically modifies operational parameters such as state transition frequency and voltage regulator slew rate to balance performance and noise generation, allowing the system to adapt its behavior to current acoustic conditions
Solution Approach 2:
The patent changes physical and operational parameters of electronic components to control acoustic noise. Specifically, it adjusts state transition frequency of memory devices and slew rate of voltage regulators based on monitored background noise levels, transforming the system from static to parameter-adaptive operation to reduce harmful acoustic emissions while maintaining necessary performance
2Object-generated harmful factors
If system configuration parameters are adjusted to reduce acoustic noise, then noise levels are reduced, but system performance and processing speed may deteriorate
Solution Approach 1:
The patent implements a feedback control system where the acoustic noise mitigator continuously monitors background noise levels and uses this information to adjust system configuration parameters. The sound sensor provides real-time feedback about environmental acoustic conditions, enabling the system to make informed decisions about parameter adjustment that balance noise reduction with performance maintenance
Solution Approach 2:
The system dynamically adapts its operational parameters based on real-time acoustic environment assessment. Rather than using fixed conservative settings, the system continuously adjusts state transition frequency and voltage regulator slew rate according to current background noise conditions, optimizing the trade-off between performance and noise generation in response to changing environmental conditions
3Object-generated harmful factors
If adaptive noise control systems are implemented, then acoustic noise is reduced, but device complexity and number of components increase
Solution Approach 1:
The acoustic noise mitigator is integrated into the existing computing device architecture and performs multiple functions: it monitors background noise levels, determines system configuration parameters, and adjusts operational settings. The sound sensor serves both acoustic monitoring and system control functions, reducing the need for separate dedicated components and minimizing overall system complexity despite the added capability
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
The solution effectively reduces audible acoustic noise from electronic components by dynamically adjusting system configurations in response to environmental noise levels, ensuring optimal performance and user experience.
Implementation Method 1
obtain, from a sound sensor of a computing system, sensor data indicative of background noise
Data Source
AI summary
Methods, apparatus, systems and articles of manufacture for acoustic system noise mitigation are disclosed. An example apparatus includes a sound sensor and one or more electronic components. The apparatus also includes a background noise analyzer to obtain sensor data indicative of background noise in an environment of the apparatus from the sound sensor. The apparatus also includes a system noise analyzer to select a first system noise profile indicative of acoustic noise associated with operating the one or more electronic components according to a first system configuration. The apparatus also includes a system noise controller to operate the one or more electronic components according to the first system configuration of the first system noise profile.