Retractable Voice Tube Headset for Noise Control
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Solution Overview
Problem
Conventional headsets face challenges in achieving high-quality audio signal transmission in noisy environments while maintaining a compact and discreet design, as the boom length required for effective noise cancellation compromises aesthetics and functionality.
Innovation Solution
A headset with a directional and omnidirectional microphone configuration, featuring a voice conducting and connecting system with a retractable voice tube that can be positioned discreetly or extended for high performance, utilizing a noise canceling microphone with dual ports and a cam mechanism to switch between modes, ensuring optimal noise suppression and voice clarity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the boom is extended to position the microphone near the user's mouth for high-quality audio signal, then the audio signal quality is improved, but the headset becomes less compact and less discreet
Solution Approach 1:
The voice tube is designed to be movable between a retracted position (for compactness) and an extended position (for high-quality audio capture). This dynamic adjustment allows the headset to adapt its configuration based on operational needs, resolving the contradiction between compact design and audio quality.
Solution Approach 2:
The voice tube is separated from the main headset body and can be independently positioned. This segmentation allows the voice tube to be extended when needed for audio capture while keeping the main headset compact and discreet when the voice tube is retracted.
2Object-affected harmful factors
If the boom is made long to suppress ambient noise effectively, then noise cancellation performance is improved, but the aesthetic design requirements are compromised
Solution Approach 1:
The voice tube can be dynamically positioned between retracted and extended states. When extended, it provides effective noise suppression by positioning the microphone close to the user's mouth. When retracted, it maintains a compact, aesthetically pleasing appearance, thus resolving the contradiction between noise suppression and aesthetic design.
Solution Approach 2:
The voice tube can be nested within or alongside the main headset body when not in use, allowing the headset to maintain a compact form factor. When needed, the voice tube extends from this nested position to provide effective noise cancellation, thus satisfying both aesthetic and functional requirements.
3Manufacturing precision
If the microphone is positioned close to the user's mouth for high-quality signal, then the audio transmission quality is improved, but the headset structure becomes more complex
Solution Approach 1:
The voice tube is designed as a separate, movable component that can be independently positioned to extend or retract. This segmentation simplifies the overall structure by allowing the voice tube to be adjusted without affecting the main headset body, thus achieving high audio quality without excessive structural complexity.
Solution Approach 2:
The movable voice tube design allows the microphone to be dynamically positioned close to the user's mouth for high-quality audio capture. The dynamic mechanism is simple and straightforward, avoiding the need for complex fixed structures while still achieving the desired audio transmission quality.
Data Source
AI summary
A headset is disclosed. The headset includes an earpiece, a voice conducting and connecting system and a microphone connected to the voice conducting and connecting system, the microphone being capable of operating in a directional configuration and in an omnidirectional configuration.