On Aug 27, 7:13 pm, "Michael J. Mahon" <mjma...@aol.com> wrote: > The SC-02, more commonly known as the SSI-263, is a phoneme- or Where is the Votrax SC-02 more commonly known as the SSI-263? :) This is why the General Instruments SPO256A-AL2 allophonic speech processor was a better pick; it had the companion CTS256A-AL2 processor IC that turned an English ASCII stream into an allophone stream.