ESP32-S2 Voice Modulator

This is a work in progress ESP32-S2 Voice Modulator

Project goals

• Capture audio from onboard microphone or headsets.
• Output audio to a phone or computer by emulating an electret microphone.
• Modify captured audio in "real" time.

Schematic and analog functionality

It is still a work in progress, use with discretion!

Microphone amplifier

<iframe width="800" height="600" src="https://www.multisim.com/content/QH8fA5JWDjDa823kgBHJLT/electretmic-amplifier/open"></iframe>

Microphone output

<iframe width="800" height="600" src="https://www.multisim.com/content/xYbAdgF2BNmvYUGru4YRbm/dac_to_electret/open"></iframe>