Patent ID: 8130319
Filing Date: 2012-03-06
Classification: H04N

Abstract:
1. A signal processing device configured to receive and encode a transport stream for display, wherein the transport stream provides teletext information associated with a plurality of teletext lines and video information associated with a plurality of video lines, the signal processing device comprising: a memory configured to store line enable statuses and teletext line data respectively associated with the teletext lines, and video line data respectively associated with the video lines, wherein the memory includes a plurality of first memory regions where the line enable statuses and the teletext line data are stored, and a plurality of second memory regions where the video line data are stored, each of the first memory regions being assigned with a predetermined address in association with one teletext line and storing the line enable status and the teletext line data of the associated teletext line; and a VBI (vertical blanking interval) controller coupled to the memory, the VBI controller being configured to: