Detachable Audio Output Module with Sealed Sound Chamber
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Solution Overview
Problem
Current artificial voice generating systems struggle with inadequate sound output volume and quality, especially in noisy environments, and the sound source location is often unnatural, leading to ineffective communication and user discomfort.
Innovation Solution
A detachable audio output module with a machined housing featuring separate sound and interface chambers, sealed to enhance sound quality and volume, and a wearable design that positions the sound source near the user's mouth for a natural sound perception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the sound output volume is increased to be heard in noisy environments, then the sound quality deteriorates due to distortion
Solution Approach 1:
The audio output module is divided into separate functional chambers: a sound chamber housing the speaker and acoustic dampening materials, and an interface chamber containing electronic components. This segmentation allows independent optimization of acoustic properties and electronic functionality, enabling high-volume output without compromising sound quality.
Solution Approach 2:
Different regions of the device have specialized properties: the sound chamber contains acoustic dampening materials (foam, wool, fabric) localized around the speaker to control sound waves, while the interface chamber provides a sealed environment for electronics. This local quality optimization enables the system to achieve both high power output and maintained sound quality.
2Ease of operation
If the audio output module is integrated into the speech generating system, then the sound source location appears unnatural to listeners
Solution Approach 1:
The audio output module is extracted from the main speech generating system (tablet computer) and positioned separately near the user's mouth. This extraction allows the sound to emanate from a natural location, improving ease of operation and natural perception, while the module remains detachable to manage system complexity.
Solution Approach 2:
The audio output module serves as an intermediary component between the speech generating system and the user's mouth. It receives audio signals wirelessly or via cable and positions the sound source in the optimal location, mediating between the technical system and natural human communication expectations.
3Weight of moving object
If the audio output module is made detachable and wearable, then portability is enhanced but the device complexity increases
Solution Approach 1:
The audio output module is designed as a separate, detachable unit with its own housing, speaker, and interface components. This segmentation enables the module to be worn around the neck like a pendant, enhancing portability while containing necessary complexity within a compact, self-contained structure.
Solution Approach 2:
The audio output module serves multiple functions: it houses the speaker for sound output, contains the interface for wireless or wired connection to the speech generating system, and provides a wearable design with attachment mechanisms. This multi-functionality justifies the increased device complexity by consolidating multiple features into a single portable unit.
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 provides high-decibel sound output with improved tonal quality, enhances portability, and allows the sound to emanate from a natural location, improving communication effectiveness and user interaction.
Implementation Method 1
The sound chamber volume can thus be designed to properly damp the speaker system
Data Source
AI summary
The invention disclosed is an improved audio output module for use with an artificial voice generation device, having a housing separated into a sound system chamber, an interface chamber, and a power source chamber. The interface and power source chambers may be combined. The sound chamber is isolated from external air by the housing, the cover plate, and a separating wall, which separates it from other chambers of the module. Volumetric parameters based on speaker characteristics and design requirements can thus be implemented independent from the choice of interface type. The module is configurable to be mounted to an external structure or to a speech generating system. It may likewise be detachable from a quick release cradle and receive wireless audio signals from the speech generating system.