Audio Codec - Output Sine wave

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A codec is a device or program that compresses data for transmission and decompresses the received data.

Daphne

1

Setup

As RTL8722DM MINI have a built in microphone on the board, there is no need for any external microphone.

Open the example, “Files” -> “Examples” -> “AmebaAudioCodec” -> “OutputSineWave”.
2

Final Result

Upload the code and press the reset button on Ameba once the upload is finished.
Connect a pair of wired headphones to the 3.5mm audio jack and you should hear the generate single sinusoidal tone.

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