Voice Changer

Rajkumar Sharma      http://www.rajkumarsharma.com  
11791
Project tested

B011-500x500-500x500

Voice Changer project can be used to transpose or distort one’s voice by encoding the sound appearing at the Microphone input.  This project  is built around AP8072 IC.

Specifications

  • Supply input : 6 VDC @ 200 mA
  • Output : Speaker, 8 Ω / 0.5 W
  • Audio amplifier type LM386 with volume control preset
  • Jumper selectable tone frequency for encoding sound
  • 4 Tones to choose
  • Built in noise reduction circuit for reducing environment noise
  • On/Off Jumper connector for power supply input
  • Berg connector for power supply input and speaker output
  • Four mounting holes of 3.2 mm each
  • PCB dimensions 48 mm x 52 mm

Schematic

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Parts List

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Jumper Settings

jumper

PCB

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