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Cell Relay Retreat>List Archive>month:1995-Apr> msg00408



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Re: Q:Video conferencing over ATM?

  • From: kjh0@gte.com
  • Date: Tue, 25 Apr 1995 19:35:11 -0500, Tue, 25 Apr 95 19:49:18 PDT

In article <3nckj6$c6f@netnews.upenn.edu>, <suejung@gradient.cis.upenn.edu> 
writes:


> I wonder how much bps is appropriate for video conferencing.
> I just guess it can be below than that of TV.
> 
> Is there anyone who can help me?
> If so, Thankyou in advance.
> 
> Suejung

Depends on the compression scheme and your desired quality (i.e. 30 frames
per second, desktop verses NTSC to a TV) The rates can vary from 64Kbps
to 140Mbps.  Good quality (H.320) conferencing can be had at 1.5 Mbps

Ken