I finally typed in the Touch & Tell / Vocaid patent listing, I will see to adding it to the tispeak.c driver.

http://pastebin.com/wgyshMuL
http://www.google.com.bd/patents/US4403965?cl=en (missing some lines! but this one is easier to read)
http://www.google.com.bd/patents/EP0048835A2?cl=en