A TV set in the living room has come to display a lot of texts information for IPTV service and has played an important role as an information channel. Texts are important means of information communication as much as images in these cases. I conducte...
A TV set in the living room has come to display a lot of texts information for IPTV service and has played an important role as an information channel. Texts are important means of information communication as much as images in these cases. I conducted research on optimal Hangul typeface and size for the purpose. I studied preceding researches on texts display on TV screen. And then I conducted experiments with a large HDTV to measure readability of and preferences for existing caption texts of terrestrial TV stations TTA COMMON fonts for data broadcasting and desirable fonts proposed by myself in order to find optimal font type for TV screen with a lot of texts display. I also conducted experiments to measure readability of and preferences for various fonts size to find optimal size. According to the experiments the most desirable hangul typeface is TTA COMMON font which is developed by TTA in 2005 and the most optimal font size is about 36msh which is much smaller than 54~73msh in SDTV. I compared the optimal typeface and size from the experiments with those of IPTV service or information channel services of TV such as HanaTV MegaTV AppleTV and Microsoft Windows Media Center.