Patent ID: 7068920
Filing Date: 2006-06-27
Classification: H04N

Abstract:
1. A method for operating a digital video processing apparatus interconnected by a digital bus to a digital video disc player, the digital video processing apparatus performing the steps of: (a) receiving from said digital video disc player, via said digital bus, a program content stream representative of a video program stored on a disk coupled to said digital video disc player, said program content stream including data in a compressed format, said program content stream being received via a first type of transfer mechanism; (b) decoding said program content stream in said digital video processing apparatus; (c) receiving from said digital video disc player, via said digital bus, bit-map data representative of a subpicture associated with said program content stream and enabling user navigation through the video program, said bit-map data being suitable for display, said bit-map data being received via a second type of transfer mechanism; and (d) combining, in said digital video processing apparatus, said bit-map data received from said digital video disc player and said decoded program content stream to produce a signal representative of a combined image suitable for display.