Compact Speaker Waveguide With Segmented Orifices
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Solution Overview
Problem
There is a need for a compact speaker assembly that provides high-quality and consistent audio output at a reduced cost, while existing solutions often compromise on size and expense.
Innovation Solution
A speaker assembly design featuring a waveguide with specific orifices and geometries that secures a tweeter assembly coaxially with a woofer, utilizing a waveguide region for high-frequency sound guidance and a bracket region for structural support and low-pass filtering, allowing efficient sound wave radiation and acoustic transparency for low-frequency sounds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the speaker assembly size is reduced, then the device becomes more compact and cost-effective, but the audio output quality and consistency deteriorate
Solution Approach 1:
The waveguide is segmented into distinct functional regions: a waveguide region with a first orifice for high-frequency sound guidance and a bracket region with second and third orifices for structural support and low-pass filtering. This segmentation allows each region to optimize its specific function while maintaining overall compactness and audio quality
Solution Approach 2:
The waveguide structure utilizes three-dimensional spatial arrangement with orifices positioned at different heights and radial distances from the rotational axis. The first orifice is arranged about a rotational axis while extending radially outwardly, creating vertical and radial dimensionality that enables compact high-frequency guidance without compromising audio output quality
2Volume of moving object
If the speaker assembly size is reduced, then the device becomes more compact and cost-effective, but the structural support and sound radiation efficiency deteriorate
Solution Approach 1:
The waveguide structure serves multiple functions simultaneously: the bracket region provides structural support while the second and third orifices enable low-pass filtering of sound waves. The waveguide region guides high-frequency sounds from the tweeter. This multi-functionality allows compact design without sacrificing structural integrity or sound radiation efficiency
Solution Approach 2:
The waveguide acts as an intermediary structure between the tweeter and the external environment, mediating sound wave propagation through strategically positioned orifices. The bracket region with second and third orifices mediates low-frequency sound filtering while providing structural support, separating different frequency handling functions in space
Data Source
AI summary
A speaker waveguide includes a first orifice arranged about a rotational axis of the waveguide, a waveguide region that extends radially outwardly from the first orifice, and a bracket region defining a second orifice and a third orifice.