[RTL8722CSM/RTL8722DM] Audio Codec – FFT

Materials

  • Ameba D [RTL8722 CSM/DM] x 1

Example

Introduction

This example shows how to use the FFT class to calculate the fast Fourier transform of a signal to extract the frequencies present in the signal.

Procedure

Open the example, 「Files」 -> 「Examples」 -> “AmebaAudioCodec” -> “FFT”.

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Upload the code and press the reset button on Ameba once the upload is finished.

Open the serial monitor, and the output results of the FFT calculation will be displayed.

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