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Allophone 64 Speech Synthesizer Development Kit

by Galak Electronics
Part No. VG-601
Shipping Weight: 2.0 ounces (60 grams)

If you a looking to add a voice to your project, this is the kit for you. Based on the classic SP0256 speech synthesizer, The Allophone 64 Voice Synthesizer Development Kit is a fully integrated Speech Synthesizer with both microcontroller and USB interfacing. Supporting software allows the user to quickly and easily create new and unique words and phrases. Additionally, the Synthesizer Board can be purchased separately for those who want strictly Microcontroller interfacing.

The Standalone PC board comes preassembled and includes instructions. Development kit includes Synthesizer Board, Instructions, Phraseology creation software and USB cable.

Standalone Synthesizer Board:



Complete Speech Synthesizer Development Kit:




  • Powered directly from USB port, so no external power needed.
  • 64 unique allophone samples stored on 2MB of onboard memory.
  • Allophone library fully compatible with standard phoneme conventions.
  • Word and phrase creation software with over 500 preprogrammed words.
  • Separate allophone chart window with International Phonetic Alphabet.
  • Variable pitch control for more realistic voice intonation (USB only).
  • Onboard Audio amplifier with volume control directly connects to speaker.


  • Supply Voltage: +5VDC external or through USB port
  • Audio Output Power: Approximately 250mW with an 8O speaker
  • USB Interface: USB 2.0 Serial Emulator and expanded GPIO
  • External Interface: Two wire: DATA - pulse width controlled; BUSY active high
  • Interface Speed: USB Interface 100K bps; External Interface 5S maximum
  • Connector: 16-26AWG, 6 position screw terminal
  • Board Dimensions: 1.95" x 1.95" (4.95 cm x 4.95 cm)
  • Board Material: 0.062" (1.6 mm) FR-4, with green solder mask and silk screen
  • Finished Weight: 0.5 ounces (15 grams)

Please feel free to contact us if you have any question about this project or any othe Galak Electronics Projects.

Copyright 2013 by Galak Electronics. All rights reserved.