Pure technology not the only answer to accessibility 
From: Government Computer News - November 6, 2003
By: Thomas R. Temin 

At the IDEAS Section 508 conference in Washington, Hewlett-Packard Co.
officials demonstrated a product called iCommunicator. The PC application
accepts live voice input, converts it to on-screen text, then converts the
text to video images of sign language. The software draws on a library of
several thousand short clips of a professional sign linguist, according to
Gail Rosenberg, product manager for iCommunicator. 

Read the entire story at:
http://www.gcn.com/vol1_no1/daily-updates/24094-1.html

Links:
http://www.myicommunicator.com/index.php?action=CurrentVersion
http://www.voicerecognition.com/icommunicator/