re do we need the clipper for cheap security pdc dcs ed ac uk paul crowley writes how fast do the fastest modems go the shannon limit for voice lines is likely somewhere around kbps we are rapidly approaching it the fastest affordable full duplex modems currently on the market are v bis which is bps how far can voice be compressed celp manages to sound decent at bps in theory if you built a speech recognition system that turned voice into ascii and a perfect synthesis system on the other end that sounded just like the person you were speaking to you could get it down to the information content of the speech with various kinds of lpc you can get it down to bps or prehaps even less at which point it sounds horrible bps is more than adequite for our purposes perry metzger pmetzger shearson com laissez faire laissez passer le monde va de lui meme
