Showing posts with label changer. Show all posts
Showing posts with label changer. Show all posts
Monday, May 13, 2013
Telephone call Voice Changer
Although this kind of voice effect can be obtained by means of some audio computer programs, a few correspondents required a stand-alone device, featuring microphone input and line or loudspeaker outputs.This design fulfills these requirements by means of a variable gain microphone preamplifier built around IC1A, a variable steep Wien-bridge pass-band filter centered at about 1KHz provided by IC1B and an audio amplifier chip (IC2) driving the loudspeaker.
Continue read[...]
Subscribe to:
Posts (Atom)