Dual-Speaker Headset Layout for Compact High-Frequency Output
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Solution Overview
Problem
The structural layout of existing headset speakers results in a poor sound output effect, necessitating improvement.
Innovation Solution
The headset incorporates a first speaker unit with a first diaphragm assembly and a second speaker unit positioned to emit sound at a higher frequency, both units aligned in the same direction to prevent interference and increase sound expressiveness, with specific contour and inner surface arrangements to optimize space and vibration area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single speaker unit is used in the headset, then the structure is simple, but the sound output effect is poor
Solution Approach 1:
The speaker system is divided into two independent speaker units: a first speaker unit and a second speaker unit. Each unit has its own diaphragm assembly and electromagnetic components, allowing them to operate independently at different frequency ranges. This segmentation enables the system to achieve better sound output effect by distributing audio frequency ranges across multiple specialized components.
2Volume of moving object
If the second speaker unit is positioned to block the first speaker unit, then the structure is compact, but the sound output is blocked
Solution Approach 1:
The two speaker units are arranged in a circumferential direction rather than being stacked directly on top of each other. The first speaker unit is positioned at a first location and the second speaker unit is positioned at a second location along the circumferential direction, allowing both units to emit sound in the same direction without physical blocking. This spatial arrangement in the circumferential dimension resolves the conflict between compactness and sound output.
3Reliability
If the sound emission frequencies of both speaker units are the same, then the frequency response is uniform, but the sound expressiveness is poor
Solution Approach 1:
Each speaker unit is designed with different sound emission frequency characteristics tailored to its specific function. The first speaker unit is configured for a first sound emission frequency range while the second speaker unit is configured for a second sound emission frequency range. This local optimization of frequency characteristics allows each component to excel at its designated frequency range, improving overall sound expressiveness.
4Volume of moving object
If the diaphragm assembly area is reduced to fit more components, then the headset volume is reduced, but the sound output quality deteriorates
Solution Approach 1:
By arranging speaker units in the circumferential direction rather than stacking them axially, the design utilizes the circumferential dimension to accommodate multiple speaker units without increasing the overall headset volume significantly. This allows each speaker unit to maintain adequate diaphragm assembly area for quality sound output while keeping the headset compact.
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
This configuration enhances sound output quality, comfort, and reduces headset volume while integrating more functional devices, improving overall sound performance and user experience.
Implementation Method 1
The first speaker unit includes a first diaphragm assembly... the second speaker unit emits sound toward the first side
Implementation Method 2
sound emission frequency of the second speaker unit is greater than sound emission frequency of the first speaker unit
Data Source
AI summary
A speaker module and a headset (100) are provided. The speaker module is used for the headset (100). The headset (100) includes a housing (1). The speaker module includes a first speaker unit (4a) and a second speaker unit (4b). An outer surface of a first diaphragm assembly (4a21) of the first speaker unit (4a) faces a first side, the second speaker unit (4b) is located on one side of a circumferential direction of the first speaker unit (4a), the second speaker unit (4b) emits sound toward the first side, and sound emission frequency of the second speaker unit (4b) is greater than sound emission frequency of the first speaker unit (4a).