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| Optimum HDTV viewing distance ： ウィキペディア英語版 |
Optimum HDTV viewing distance
Optimum HDTV viewing distance is the distance that provides the viewer with the optimum immersive visual HDTV experience. Although opinions vary on the exact screen size to distance relationship, formal research and recommendations suggest closer is preferred to farther, to provide a more immersive experience. How close? “As close as you can stand it”.
== Background ==
HDTV is designed to provide the end user with an experience that is more realistic than the experience of the television system it is designed to replace. The “thrilling realism” that HDTV attempts to offer, arises from increased resolution and the fact that the sets are typically larger than the analog sets they are superseding. This increase in the typical size of an HDTV set also increases the visual angle from which that content is viewed. Both of these factors, higher resolution and greater visual angle contribute to the feeling of presence. Thus the correct viewing distance is critical to the enjoyment of HDTV in the manner intended. An early analysis was done by Bernard J. Lechner, while working for RCA and helping define the HDTV standard. He studied the best viewing distances for various conditions and derived the so-called ''Lechner distance''.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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