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README.md

Voice Changer Example with Sonic

With the Sonic feature, the output of a WAV file can be changed.

Overview

The Sonic feature (voice changer) can adjust the output of a WAV file by changing the following parameters:

  • Interpolation (linear interpolation)
  • Speed
  • Pitch

Compatibility

ESP32-LyraT ESP32-LyraT-MSC
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Usage

Prepare the audio board:

  • Connect speakers or headphones to the board.
  • Insert a MicroSD card to your development board.

Configure the example:

  • Select compatible audio board in menuconfig > Audio HAL.

Load and run the example.

Button Description

The following buttons can be used to control the board:

  • The [Mode] button: Users can switch between changing the speed or changing the pitch of a WAV file by pressing the [Mode] button on the audio board.

  • The [Rec] button:

    • Recording: Press the [Rec] button and hold on.
    • Playing: Release the [Rec] button.