Rotatable Speaker Sub Unit for Multi-Directional Sound
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Solution Overview
Problem
Conventional speaker units are limited by the directivity of sound waves, which is affected by installation location, making it difficult to achieve varied sound field effects and meet audience demands, especially in tallboy-type speakers where the sound field is predetermined by the speaker's fabrication.
Innovation Solution
A speaker system with multi-directivity is achieved by incorporating a main unit and a sub unit, where the sub unit is integrally formed with the main unit and can emit sound in a different direction, allowing for adjustable sound-emitting directions and enhanced sound field effects through the use of rotation members and reflection plates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a speaker unit is installed at a predetermined angle in a baffle and enclosure, then the sound field is determined by the fabrication of the speaker, but it becomes difficult to show various sound field effects and meet audience demands
Solution Approach 1:
The speaker is divided into a main unit and a sub unit, where the sub unit can be rotated independently relative to the main unit. This segmentation allows the speaker to emit sound in multiple directions (front and side) simultaneously, providing various sound field effects without requiring multiple separate speakers or complex reconfiguration.
Solution Approach 2:
The sub unit is designed with rotatable characteristics, allowing it to change its orientation dynamically. The sub unit can rotate around the main unit to emit sound in different directions, transforming the speaker from a static, fixed-orientation device into a dynamic one that can adapt to different sound field requirements.
2Reliability
If sound waves emit using only the operation of a speaker unit without an enclosure, then the structure is simple, but low-pitched sounds may not be normally replayed or high-pitched sounds may have poor sound quality
Solution Approach 1:
The invention combines the speaker unit with an enclosure into an integrated structure. The enclosure is designed to work synergistically with the speaker unit, providing acoustic support for both low-pitched and high-pitched sounds while maintaining a unified, compact design that does not significantly increase overall complexity.
3Adaptability or versatility
If conventional speaker units are used, then the structure is simple, but the directivity of sound waves is affected by installation location, deteriorating the sound field effect
Solution Approach 1:
The sub unit's rotatable design enables the speaker to dynamically adjust its sound emission directions regardless of installation location. This dynamic capability compensates for the limitations of fixed-installation speakers, allowing the same speaker unit to provide optimal sound field effects in various positions and orientations.
Data Source
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AI summary
Provided are a speaker and a speaker system. The speaker includes a main unit and a sub unit. The main unit emits a sound in a first direction. The sub unit is formed integrally with the main unit and emits a sound in a second direction different from the first direction.