Before revision: The data for Intercast was embedded in the Vertical Blanking Interval (VBI) of the video signal carrying the Intercast-enabled program .
After revision: , at a maximum of 10.5 Kilobytes/sec in 10 of the 45 lines of the VBIThe data for Intercast was embedded in the Vertical Blanking Interval (VBI) of the video signal carrying the Intercast-enabled program .