| 摘要 |
PURPOSE: A helmet type speaker system and a speaker system for chair using the same are provided to form sound field like a broad space by generating reflective sound and indirect sound as well as direct sound. CONSTITUTION: A helmet type speaker system includes a helmet type sound wave guide(10), a plurality of speaker units(20), and a fixing unit(30). The helmet type sound wave guide(10) includes an inner side for surrounding a user's head in order to form sound field by reflection and propagation of sound. The speaker units(20) are installed on the inner side of the helmet type sound wave guide(10). The fixing unit(30) is installed between the helmet type sound wave guide(10) and the user's head in order to fix the helmet type sound wave guide(10) on the user's head.
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