Patent ID: 7369180
Filing Date: 2008-05-06
Classification: H04N

Abstract:
1. A method for enabling display of auxiliary information included in a video signal, comprising steps of: receiving the auxiliary information representative of a first number of characters to be displayed per line; storing display list data representative of the received auxiliary information wherein the display list data representative of a first portion of the first number of characters and a pointer pointing to an address of a buffer is stored in a memory and the display list data representative of a second portion of the first number of characters is stored as bitmap data in the buffer; retrieving the stored display list data representative of the first and second portions of the first number of characters using a controller; and outputting pixel data to enable the display of the auxiliary information, wherein the display provides the first number of characters per line; wherein: the display list data for the first portion of the first number of characters is stored in a plurality of character tiles; and the pointer is stored in a single character tile.