Re-inserting VBI data using OSD apparatus and method

Details Re-inserting VBI data using OSD apparatus and method Re-inserting VBI data using OSD apparatus and method

2007-12-25

2007-12-25

Ometz, David (Department: 2622)

Television

Format

Including additional information

C348S569000, C348S473000, C348S461000, C348S589000, C345S531000

Reexamination Certificate

active

10663255

ABSTRACT:
A method of reinserting Vertical Blanking Interval (VBI) data in a digital video signal includes creating a gray scale palette in a an On Screen Display (OSD) memory; sizing a VBI area in an OSD memory; locating a VBI area in an OSD memory; generating a VBI luma waveform bitmap; and overlaying the VBI luma waveform bitmap in a DVB video bit stream according to the gray scale palette, size and location data stored in the OSD memory.

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