> Is it all possible to insert a digital signal into a video signal for
> wireless transmission with one of those wireless video transmitters? The
> reason im asking is I want to send digital signals along with video and
> audio signal but dont want to use two types of transmitters. If im
dreaming
> please let me know, or if I have the right idea please point me in the
right
> direction.

This is usually done by encoding a digital stream onto the video signal
during the forward sweeping part of the scan lines during the vertical
retrace interval.  Close captioned text is an example of this.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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