A voice echo module with build-in amplifier project by Rajkumar Sharma of Electronics Lab:
A project has been designed around Holteks Ht8970 voice echo IC. Project can be used in various audio systems karaoke, toys, animatronics, show, display, exhibitions, and sound equipments.
The HT8970 is an echo/surround effect processor. It is designed for various audio systems including karaoke, television, sound equipments, etc. The chip consists of a built-in pre-amplifier, VCO or Voltage Control OSC, 20Kb SRAM, A/D and D/A converters as well as delay time control logic.
If someone could come up with a low cost microcontroller based unit that emulated a vocoder and ring modulator set specifically to produce the Cylon and the Colossus computer voice from Colossus: The Forbin Project from which the Cylon voice was _intentionally copied_, I’d buy it as would many others based upon the inquiries I’ve seen on-line about it.