Marking a video and/or audio signal

Method and apparatus for common vertical blanking interval scan

Method and apparatus for communicating state information...

Method and apparatus for enhanced video encoding

Method and apparatus for generic insertion of data in vertical b

Method and apparatus for inserting digital data in a blanking in

Method and apparatus for modulating a separated television horiz

Method and apparatus for nesting secondary signals within a tele

Method and apparatus for nesting secondary signals within a tele

Method and apparatus for providing audio in a digital video...

Method and apparatus for serial transmission and/or reception of

Method and apparatus for transferring data within viewable...

Method and apparatus for transmitting a video signal along with

Method and apparatus that generates VBI data coding waveforms

Method and arrangement for transmitting teletext pages in the ve

Method and device for transmitting additional data in television

Method and system for broadcasting a digital data signal...

Method and system for decoding data in the horizontal...

Method and system for enhanced modulation of video signals

Method and system for enhanced modulation of video signals