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Android Question Reading the frequency of a microphone input signal

Thread starter Gary Duggleby
Start date Feb 13, 2018
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Gary Duggleby

New Member

Feb 13, 2018

#1

How do you read the frequency of a signal being fed into the microphone in, input?

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Erel

B4X founder

Staff member

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Longtime User

Feb 13, 2018

#2

You can use AudioStreamer to get the raw PCM data and then analyze it with the FFT library.

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klaus

Expert

Licensed User

Longtime User

Feb 13, 2018

#3

You may have a look at FFT_Record in the [B4X] FFT Class.

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