Composite Acoustic Panel for Microphone Stand Recording
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Solution Overview
Problem
Existing acoustic panels are insufficient for achieving high-quality recordings in non-acoustically treated rooms, as they require dedicated installation and are not adaptable for temporary use in home or office settings, leading to suboptimal sound reflections affecting tonal quality and recording fidelity.
Innovation Solution
A composite acoustic panel with layered materials of varying filtering and absorption characteristics, including semi-rigid aluminum fiber, woolen felt, and aluminum film, designed to be removably attached to a microphone stand or boom, providing flexible positioning and absorption of acoustical energy across a wide frequency range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If acoustic panels are installed in non-acoustically treated rooms, then recording quality is improved, but the panels require dedicated installation and are not adaptable for temporary use
Solution Approach 1:
The acoustic panel is designed with a removable mounting system that allows it to be dynamically attached and detached from microphone stands. The panel includes mounting brackets or clips that can be easily secured to standard microphone stands, enabling temporary deployment in non-acoustically treated rooms without permanent installation. This dynamic mounting capability resolves the contradiction by providing both high recording quality when installed and full adaptability for temporary use when needed.
Solution Approach 2:
The acoustic panel is designed to be universally compatible with standard microphone stands through standardized mounting interfaces. The panel can be attached to various types of microphone stands (boom stands, desk stands, floor stands) without requiring custom installation. This universal mounting capability allows the same panel to be used across different locations and settings, resolving the contradiction between achieving reliable recording quality and maintaining adaptability for temporary deployment in various environments.
2Adaptability or versatility
If acoustic panels are designed for general purpose use, then versatility is improved, but performance for specific applications is compromised
Solution Approach 1:
The acoustic panel is constructed with a multi-layered structure where each layer serves a specific acoustic function. The panel includes a rigid outer shell for structural support and mounting, intermediate layers with different acoustic impedance for broadband absorption, and inner layers optimized for specific frequency ranges. This segmentation allows the general-purpose panel to deliver specialized performance across different frequency ranges and application scenarios while maintaining overall versatility.
Solution Approach 2:
The acoustic panel employs composite materials with different acoustic properties arranged in layers. The construction includes materials such as rigid foam cores, fibrous insulation layers, and dense outer skins, each contributing different acoustic absorption and reflection characteristics. This composite structure enables the single panel to handle multiple acoustic challenges simultaneously, resolving the contradiction between general versatility and specialized performance by integrating multiple functional materials into one unified device.
3Reliability
If reflected sound is increased to make music and speech sound fuller, then sound richness is improved, but sound distortion and echo increase
Solution Approach 1:
The acoustic panel is positioned locally between the sound source and microphone to create a controlled acoustic environment only in the immediate recording zone. The panel's mounting system allows it to be placed close to the microphone or sound source, providing localized sound treatment that enriches the direct sound while preventing harmful reflections from traveling to the microphone. This local application resolves the contradiction by providing sound richness where needed while eliminating distortion and echo in the critical recording path.
Solution Approach 2:
The acoustic panel acts as an intermediary element between the sound source and the microphone, mediating the acoustic energy that travels between them. The panel's acoustic properties allow it to selectively absorb harmful reflected sounds while preserving or even enhancing the direct sound path. This intermediary function resolves the contradiction by filtering the acoustic field to provide sound richness from direct waves while eliminating distortion and echo from reflected waves.
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 panel effectively filters and absorbs acoustical energy, enhancing recording quality by reducing unwanted reflections and allowing for studio-grade recordings in non-specialized environments without the need for extensive room treatment.
Implementation Method 1
A composite acoustic panel with layered materials of varying filtering and absorption characteristics, including semi-rigid aluminum fiber, woolen felt, and aluminum film, designed to be removably attached to a microphone stand or boom, providing flexible positioning and absorption of acoustical energy across a wide frequency range.
Implementation Method 2
The panel effectively filters and absorbs acoustical energy, enhancing recording quality by reducing unwanted reflections
Data Source
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AI summary
An apparatus comprising a combination of a microphone and a composite acoustic panel. The composite acoustic panel comprises materials having different spectra of acoustic absorption. The materials may be integrated in a single layer or a plurality of different layers.