SpeechChips colorful voice logoSpeechChips.com

THE VINTAGE SPEECH COLLECTION

The Voice in
the Machine

Before voices lived in the cloud, they lived on a chip. Explore the silicon that made computers talk, robots speak, and arcades come alive.

Hear the chipsExplore the machinesRead the books
Original Silicon Systems SSI-263P speech synthesizer chip
COLLECTION SPOTLIGHTSSI-263PA voice, built one phoneme at a time.

How Machines Found Their Voice

  1. 1791

    A voice made of air

    Wolfgang von Kempelen published his speaking-machine design. Bellows and mechanical parts imitated the organs of speech—long before electronics.

    Kempelen’s speaking-machine drawings, published in 1791.
    Kempelen’s speaking-machine drawings, published in 1791.Wolfgang von Kempelen · Public domainLicense
  2. 1939

    Electricity learns to speak

    Bell Labs demonstrated the Voder. A trained operator used keys and a foot pedal to shape electronic sounds into speech.

    An operator demonstrating the Voder at the New York World’s Fair.
    An operator demonstrating the Voder at the New York World’s Fair.Internet Archive Book Images · No known copyright restrictionsLicense
  3. 1961

    A computer sings

    At Bell Labs, an IBM computer sang “Daisy Bell,” demonstrating that software could calculate the sounds of a human voice.

    An IBM 704 mainframe; illustrative photograph, not the Bell Labs performance.
    An IBM 704 mainframe; illustrative photograph, not the Bell Labs performance.Lawrence Livermore National Laboratory · Used with attribution
  4. 1978

    A voice comes home

    Texas Instruments introduced Speak & Spell. Its compact speech hardware brought synthesized words into a handheld educational toy.

    Texas Instruments Speak & Spell.
    Texas Instruments Speak & Spell.Bill Bertram · CC BY-SA 2.5License
  5. 1980s

    The talking-machine era

    Speech chips gave computers, toys, robots, and arcade characters distinctive voices. Different designs built speech from phonemes, encoded words, or streams of parameters.

    The SC-01: one of the distinctive voices of the talking-machine era.
    The SC-01: one of the distinctive voices of the talking-machine era.
  6. 1990s

    The voices fall silent

    As computers grew more powerful, speech moved from dedicated chips into software. The buzzing vowels and awkward consonants that once sounded like the future gave way to smoother, more natural voices. Manufacturers discontinued their speech-chip lines; some companies disappeared altogether. One by one, the familiar electronic accents slipped out of new machines and into memory—still speaking in surviving toys, computers, and arcade cabinets, but increasingly becoming voices of the past.

  7. Today

    A new life

    But those voices weren’t finished. What once sounded imperfect now sounds unmistakably retro—and full of personality. Their buzzing vowels and robotic accents have found a new audience in modern music, turning yesterday’s electronic speech into today’s melodies, rhythms, and creative surprises.

    Hobbyists are giving them new bodies: talking robots, homemade instruments, Arduino projects, and custom game hardware. Original chips and modern recreations are putting these distinctive sounds back into builders’ hands. The voices of the past are speaking again—and this time, you get to decide what they say.

    SpeakJet: dedicated speech hardware for new projects.
    SpeakJet: dedicated speech hardware for new projects.

Hear the chips

34 chips

General Instrument SP0256-AL2 speech synthesizer chip

General Instrument

SP0256-AL2

Selectable allophones put custom words within reach of computer peripheral designers and home electronics builders.

Hear the SP0256-AL2
SpeakJet 18-pin speech synthesizer IC

Magnevation

SpeakJet

A new source of classic robotic voices: SpeakJet brought programmable speech and sound synthesis back to builders, retro consoles, and musical experiments.

Hear the SpeakJet
T6721A chip

Toshiba

T6721A

Toshiba’s PARCOR speech synthesizer, best known for giving Commodore’s Magic Voice its distinctive spoken vocabulary.

Hear the T6721A
S14001A chip

Telesensory Systems

S14001A

TSI’s ROM-based speech processor, designed by Silicon Systems for the Speech+ calculator and later heard in Berzerk’s robotic taunts.

Hear the S14001A

Explore the machines

64 machines

Magic Voice

Commodore

Magic Voice

Commodore’s speech cartridge for the C64 and SX-64, with a built-in female voice, 235 utterances, BASIC commands, and talking game support.

Explore the Magic Voice
Voice Box

The Alien Group

Voice Box

The Alien Group’s Atari speech peripheral used a Votrax SC-01-A, pronunciation dictionaries, and an SIO connection to make the television speak.

Explore the Voice Box
ECHO IIb circuit board, marked ©1986 Street Electronics, with its TMP5220C speech processor and speaker connector.

Street Electronics

ECHO IIb

Street Electronics’ Apple II speech card paired LPC synthesis with TEXTALKER and screen review for accessible computing.

Explore the ECHO IIb
VS-100 enclosure with the Alpha Products label and side-mounted control.

Alpha Products

VS-100

Alpha Products’ TRS-80 speech accessory used Votrax SC-01 phonemes, with text-to-speech software and programmable BASIC output.

Explore the VS-100
ECHO GP enclosure with built-in speaker, indicator, and front volume control.

Street Electronics

ECHO GP

Street Electronics’ serial text-to-speech box paired a TMS5220 with onboard firmware, expressive voice controls, and a role in accessible computing.

Explore the ECHO GP

Read the books

Discover the projects, ideas, and engineering behind electronic voices.

PRESERVING AN ELECTRONIC ACCENT

Every chip has a voice. Every voice has a story.

SpeechChips.com is a collection built by someone who still holds a place in his heart for these vintage electronic voices. I’m Scott Savage, an electronics and controls engineer fascinated by the circuits that gave machines their distinctive accents during my teenage years, when personal computers were just beginning to find their way into our homes. Alongside collecting and documenting vintage speech hardware, I created SpeakJet two decades ago and now design tester boards for a variety of classic speech synthesizer chips. For me, preserving this technology means more than keeping a chip in a display case. It means understanding how it works, hearing it speak, and giving other people the tools to experiment with it. This museum brings that work together—and invites collectors, engineers, and curious visitors to help fill in its history.

Help us keep these voices alive.

A museum grows through the people who share what they know. Do you have a speech chip, a talking machine, an old photograph, a recording, a manual, or a story about using one? Help us fill in the gaps, correct the details, and preserve the voices—and the people behind them—for the next generation.

Help Build the Museum
ECHO GP enclosure with built-in speaker, indicator, and front volume control.

ECHO GP

Donated by Greg M.

Independence, MO

THE MUSEUM GIFT SHOP

Keep the voices talking.

Speech hardware and tester-board kits for hands-on exploration, diagnostics, and new projects.

Share the Museum

Know someone who would enjoy these electronic voices? Invite them to explore the museum.

Help others find the museum

Have a website, blog, or project page? A link to this exhibit or to SpeechChips.com helps more people discover and preserve these electronic voices.

Get a Website Link