Abstract
Information display devices are being advancement by ICT development. Particularly, besides the image quality and appearance design of the information display device, the development of the accompanying elements such as the sound quality is also progressed. Conventional information display devices such as LCD and LED TV have focused on the pixel configuration and color implementation and developed to such an extent that the human eye can not follow it, and the image quality is as good as the actual view in a proper field of view. However, in the case of sound, it has occurred at various alternative positions with the limitation that it cannot penetrate the hard screen. In the case of a flat-screen TV, however, the position of the sound was properly configured by reproducing the sound directly from the left and right sides of the screen. However, focusing on the image quality and design elements, it was hidden above. With several experimental factors, we were able to reproduce a lot of sound from the bottom speaker. This is disadvantageous in that it cannot hear the reproduced sound directly, hears mainly the reflected waves of the space below the space where the information display device is located, and hears different sounds depending on the characteristics of the reflection surface. In this study, we introduce a technique to make a sound with a direct screen that complements these shortcomings.
Published Version
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