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Article #6007Re: NTSC transmission over phone lines?
From: Massoud Ajami
Date: Sat, 05 Sep 1992 17:36
Date: Sat, 05 Sep 1992 17:36
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In article <Bu319s.FzL@CAM.ORG> warren@CAM.ORG (Robert Warren) writes: >From: warren@CAM.ORG (Robert Warren) >Subject: NTSC transmission over phone lines? >Date: 5 Sep 92 01:53:51 GMT >Howdy all, > I've been trying to work out a way to send a NTSC signal via phone >lines. I have been so far succesfull in transmitting it via a twisted pair, >but a phone line is a new ball game. Is there any way I can send video using a >transformer to isolate the DC from the line? > >What would be the easiest way to do it? Would it be easier to run it over a 4 >wire telco hybrid? > >Answer (news/email) are welcome. I'll summerise if intrest is shown. > >Regards, > Robert Warren > warren@cam.org The DC on the line is your least problem. Get some information about MPEG. This is motion picture transmission over phone line, but the standard and chips are not out yet. JPEG, for freez frame will give you some insight how it is done. Peace and Prosperity! ---==< 110 >==---
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Newsgroups: sci.electronics Path: arc1-ca.pugleaf.net!sparky!uunet!usc!newshub.sdsu.edu!chemteca.sdsu.edu!massoud From: massoud@chemteca.sdsu.edu (Massoud Ajami) Subject: Re: NTSC transmission over phone lines? Message-ID: <massoud.85.715714564@chemteca.sdsu.edu> Lines: 26 Sender: news@newshub.sdsu.edu Nntp-Posting-Host: 130.191.227.22 Organization: San Diego State University References: <Bu319s.FzL@CAM.ORG> Date: Sat, 5 Sep 1992 17:36:04 GMT