Toroidal Compression Horn for Omnidirectional Sound
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Solution Overview
Problem
Traditional loudspeakers produce unnatural directional sound, leading to disassociated auditory experiences due to phase discrepancies and random cancellations/amplifications of sound waves, which compromise sound quality and create an inconsistent listening experience.
Innovation Solution
A toroidal compression horn device featuring two precision-machined aluminum compression drivers bolted together with a precise gap, positioned between convex discs that shape sound waves into a toroidal wavefront, creating a 360-degree sound field and minimizing directional sound.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of stationary object
If traditional loudspeakers are used to reproduce sound, then sound can be directed to specific directions, but the sound appears unnatural and creates disassociated auditory experiences due to phase discrepancies
Solution Approach 1:
The system divides sound reproduction into multiple compression drivers arranged in a specific geometric configuration. Each driver operates independently to create sound waves that combine to form a toroidal wavefront, segmenting the traditional single-speaker approach into multiple coordinated sources that maintain phase coherence
Solution Approach 2:
The invention transitions from traditional planar sound reproduction to three-dimensional toroidal sound fields. By arranging compression drivers to generate sound waves that intersect and combine in space, the system creates a doughnut-shaped wavefront that propagates omnidirectionally while maintaining phase coherence, adding a spatial dimension to sound reproduction
2Area of stationary object
If multiple loudspeakers are used to reproduce sound, then sound coverage is improved, but arrival times of sound waves vary leading to disassociated auditory experience
Solution Approach 1:
The system uses three-dimensional toroidal wavefront geometry to ensure that sound waves from multiple compression drivers arrive simultaneously at all points within the sound field. The toroidal shape is specifically designed so that the path length from each driver to any point on the wavefront is equal, eliminating arrival time differences that cause auditory disassociation
Solution Approach 2:
The invention carefully controls the spacing and positioning of compression drivers to specific distances from each other, ensuring that sound waves travel equal path lengths. By adjusting the geometric parameters of the toroidal configuration, the system achieves synchronized sound arrival while maintaining wide sound coverage
3Adaptability or versatility
If sound waves from different speakers are out of phase, then random cancellations and amplifications occur, but this colors the sound and compromises quality
Solution Approach 1:
The system merges sound waves from multiple compression drivers in a controlled manner to create a unified toroidal wavefront. By coordinating the phase and amplitude of each driver, the sound waves combine constructively to form a coherent sound field rather than interfering randomly, eliminating coloration and maintaining consistent sound quality
Solution Approach 2:
The invention adjusts the phase relationships and positioning parameters of compression drivers to ensure constructive interference. By carefully controlling the distance between drivers and their relative phases, the system eliminates random cancellations and amplifications that would otherwise color the sound
4Reliability
If precision-machined aluminum faceplates with central apertures are used, then sound clarity is enhanced and resonances are reduced, but manufacturing complexity increases
Solution Approach 1:
The system uses precision-machined aluminum faceplates with specifically optimized aperture dimensions and thickness parameters. The central aperture size and faceplate geometry are carefully calculated to minimize resonances while maximizing sound clarity, transforming a manufacturing challenge into a performance advantage through precise parameter control
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 device generates a natural and immersive audio experience by creating a coherent, omnidirectional sound field, reducing phase discrepancies, and preventing random sound cancellations or amplifications, thus enhancing overall listening quality.
Implementation Method 1
sound is naturally produced in all directions simultaneously, creating a cohesive auditory experience
Implementation Method 2
the convex discs shape sound waves emitted from the compression drivers into a toroidal wavefront, creating a 360-degree sound field
Implementation Method 3
a first compression driver including a first faceplate with a central aperture, a second compression driver including a second faceplate with a corresponding central aperture, the first and second compression drivers being bolted together with a precise gap between their respective faceplates, forming a compression throat
Data Source
AI summary
A toroidal compression horn device designed to generate a toroidal wavefront, thereby creating a 360-degree sound field for a natural and immersive audio experience is disclosed. The device includes a first and a second compression driver, each with a precision-machined aluminum faceplate featuring a central aperture. The drivers are bolted together (i.e., connected) with a precise gap forming a compression throat and are wired in phase to operate in unison, thereby generating compression and expansion actions. The assembly is positioned between two convex discs that shape the sound waves into a toroidal pattern and provide damping to reduce unwanted resonances. A frame encloses the components, making the device portable and suitable for various applications, including loudspeakers.