| 摘要 |
A method of reinserting (Fig. 2) Vertical Blanking Interval (VBI) data in a digital video signal includes creating (138) a gray scale palette in a an On Screen Display (OSD) memory; sizing (136) a VBI area in an OSD memory; locating (134) a VBI area in an OSD memory; generating (112, 140) a VBI luma waveform bitmap; and overlaying (170) 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. |
