Caption display device for digital TV and method thereof

摘要: A caption display device for a digital TV enables the users to adjust density of window displayed on screen TV. The includes: video decoder unit decoding an inputted MPEG II transport stream, and separately outputting user data data; ATV command separated in unit, having text; interactive control sensing from user; text background order blending rate by using signal outputted unit; with Muxing combining processing color according unit.