Research in Speech Technology (R.I.S.T.) Inc.

Brooklyn, NY 11209

Steven J. Veltri, a vice president at R.I.S.T., wrote How to Make Your Computer Talk, a book that described interfacing the General Instruments SPO256-AL2 to multiple microcomputers. Veltri was formerly a product marketing engineer for the speech synthesis lines at General Instruments.

His book described the product R.I.S.T. marketed.


Nine volt, two amp power supply. Provides all power needed for expanded system operation.
TS 1000
Game cartridge. Requires R.I.S.T. Parrot Speech Synthesizer.
TS 1000
Type any word and have your computer speak it. Requires the R.I.S.T. Parrot Speech Synthesizer.
TS 1000
The Parrot used the General Instruments SP0256 speech synthesizer chip, which used 64 allophones to generate speech. Supplied with software on cassette enabling you to select, string together, and pronounce the sounds.
ZX80 TS 1000


Build a General Instruments SP0256 speech synthesizer. Written for several microcomputers, it includes a chapter on interfacing to the ZX81/TS1000. Author was with Research in Speech Technology (R.I.S.T.), a firm that marketed The Parrot, a speech synthesizer for the ZX81/TS1000.
ZX80 TS 1000


  • Hardware Review: The Parrot, Voice Synthesis Module
    The Parrot, produces 64 separate allophones. R.I.S.T. used Voicetech’s general purpose speech development kit combined with chips and software to produce a cost effective ZX/TS speech unit.
  • Highlights of the April Meeting
    Sue Mahoney demonstrated “Ator the ABC Gator”. Program synchronizes display of letters with song recorded on cassette tape. Al Spencer reviewed The Parrot by R.I.S.T. Mahoney distributed the first issue of Ramblings.
  • New peripherals
    Sinclair computers can now talk with the help of the PARROT, developed by R.I.S.T. The plug-in speech module is capable of generating 64 sounds of the spoken English language. By combining these sounds, users can generate words, phrases, sentences and other sound effects. Areas of application include games, education, message transmission, speech therapy or research.
  • New Products and Services (Syntax v4 n3)
    New products from Compuwiz, R.I.S.T., Banta, Software Unlimited, Z-West, Synergistic, Sinware, Spectra Computer Products.
  • Speech Synthesizer for Timex/Sinclair
    Product announcement for The Parrot from R.I.S.T.
  • Talking Timex
  • Voxcomp
    Vocabulary manager for R.I.S.T.โ€™s Parrot voice synthesizer.
  • What's New? Speech Module for Sinclairs, Sin-Time Review
    Research In Speech Technology (R.I.S.T) Parrot module; announcement for Sin-Time Review, a bi-monthly about the Timex and Sinclair computers.



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