Microphone Housing Clearance Layout for Reflection Interference
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Microphone arrangements are affected by sound reflections off structural surfaces, leading to interference and degradation of audio quality, which existing solutions fail to adequately address.
Innovation Solution
A microphone arrangement with a housing and fastening portion that positions the audio opening close to the structural surface, maintaining a minimal distance and using a clearance with controlled sound reflections to mitigate interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the microphone is positioned close to the structural surface, then sound reflections and interference are reduced, but the audio opening may be exposed to environmental factors and tampering
Solution Approach 1:
The audio opening is nested within a recess in the housing that extends toward the structural surface. The recess creates a protected cavity that shields the audio opening from direct environmental exposure and tampering while maintaining close proximity to the surface for optimal acoustic performance by reducing reflection interference.
Solution Approach 2:
The housing is positioned in three-dimensional space with the audio opening extending toward the structural surface along an axis perpendicular to the surface. This spatial arrangement allows the audio opening to achieve close proximity for acoustic optimization while the housing structure provides protective coverage from other dimensions.
2Object-affected harmful factors
If the audio opening is positioned close to the structural surface, then interference from sound reflections is reduced, but the housing design becomes more complex
Solution Approach 1:
The housing is segmented into distinct functional portions: a main body containing the microphone element, a recess extending toward the structural surface to position the audio opening optimally, and a protective cover. This segmentation allows each portion to be optimized for its specific function while simplifying the overall design and manufacturing process.
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 audio interference, enhances sound acquisition, and provides protection from tampering and environmental factors while maintaining a sleek design.
Implementation Method 1
using a clearance with controlled sound reflections to mitigate interference
Implementation Method 2
reducing interference from sound reflections off of structural surfaces
Data Source
Figure 1~2C
Figure 3A~4
Figure 5~6
AI summary
A microphone arrangement includes a microphone element, a housing, containing the microphone element and associated electronics, and fastening portion located at a bottom of the microphone arrangement, configured to attach the microphone arrangement to the structural surface. The housing has an audio opening facing a clearance defined between the housing and the structural surface, and wherein the clearance has a clearance exit in an outer lateral perimeter of the microphone arrangement. The arrangement is enables reduction of interference from sound reflections off of structural surfaces onto which the microphone arrangement is attached.