Modular Mask Communication Device for Voice Amplification
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Solution Overview
Problem
Face masks and coverings hinder communication by muffling the wearer's voice, making natural conversation and phone calls difficult due to the intervening material and environmental noise.
Innovation Solution
A modular communication device that includes one or more noise-cancelling microphones configured to interface with a wired or wireless speaker and/or communications device, allowing the wearer's voice to be amplified outside the mask.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a face mask and/or covering is used to protect the wearer, then protection from harmful substances is improved, but communication ability deteriorates due to voice muffling
Solution Approach 1:
The communication device is divided into separate functional modules: a first portion containing a microphone that attaches to the inner surface of the mask, and a second portion containing a speaker that attaches to the outer surface of the mask. This segmentation allows each component to perform its specific function independently while working together to solve the communication problem without compromising mask protection.
Solution Approach 2:
The communication device acts as an intermediary system between the mask wearer and the external environment. The microphone captures the wearer's voice from inside the mask, processes the audio signal, and the speaker outputs the amplified voice outside the mask, thereby mediating the communication barrier created by the mask.
2Object-affected harmful factors
If a face mask is used to protect against environmental noise, then protection from external noise is improved, but voice transmission clarity deteriorates
Solution Approach 1:
The communication device extracts the voice signal from the noisy environment inside the mask using the microphone, separates it from the background noise through signal processing, and then transmits the cleaned audio signal to the speaker outside the mask. This extraction process preserves voice clarity while the mask continues to block environmental noise.
Solution Approach 2:
The system uses feedback mechanisms in the signal processing to continuously monitor and adjust the audio transmission. The microphone captures the wearer's voice, the processor analyzes the audio signal to distinguish voice from noise, and the speaker outputs the enhanced signal, creating a feedback loop that maintains clarity despite the mask's noise-blocking properties.
3Loss of information
If a communication device is added to enhance voice amplification, then communication clarity is improved, but device complexity increases
Solution Approach 1:
The communication device is divided into separate functional modules: a first portion containing a microphone that attaches to the inner surface of the mask, and a second portion containing a speaker that attaches to the outer surface of the mask. This segmentation allows each component to perform its specific function independently while working together to solve the communication problem without compromising mask protection.
Solution Approach 2:
The communication device is designed with universal attachment mechanisms that can be applied to various types of masks and face coverings. The modular design with standard attachment interfaces allows the same device to work with different mask configurations, reducing overall system complexity while maintaining communication clarity across multiple applications.
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 effectively amplifies the wearer's voice, improving communication clarity and ease, even in noisy environments, while maintaining the protective function of the mask.
Implementation Method 1
one or more microphones, the microphone(s) configured to interface with a wired or wireless speaker
Implementation Method 2
the microphone includes or is associated with at least one noise filter
Implementation Method 3
interface with a wired or wireless speaker and/or a wired or wireless communications device
Data Source
AI summary
The present disclosure presents a communication device configured to removably attach to a mask, and to receive, transmit, and amplify sound and/or speech from a wearer.