Patent ID: 7911536
Filing Date: 2011-03-22
Classification: H04N

Abstract:
1. A method comprising: detecting in a coded stream of digital video data to be displayed over a period of time, whether to display a dynamic region by detecting decoded digital data only representing text, the dynamic region including the decoded digital data only representing text data of text of the stream to be displayed in a first portion of a monitor, the dynamic region to be displayed during a selected sub-period of the period of time but not during another different selected sub-period of the period of time, the stream including a different second coded signal including a static region to be displayed in a different second portion of the monitor, wherein detecting decoded digital data only representing text includes monitoring a decoded graphics stream channel only having the coded digits representing characters of only digital text data, and finding a stream of characters of only digital text data included in the channel having decoded text data content; and further comprising: combining the dynamic region and the static region into an output to a display device when characters of only digital text data are found; and not combining the dynamic region and the static region into the output to the display device when characters of only digital text data are not found.