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Play sound at a specific frequency in android

I want to play sound of a certain frequency in android based on user input, somewhat similar to a guitar app. Can someone tell me how to do this? Do I need all the freq sounds in the res \ raw folder?

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No, you do not need to store this in resources. I think the best approach is to synthesize tones in real time. To do this, you will need the following:

  • java.lang.Math to compute trigonometric functions to fill the buffer (after converting from float to PCM (int)) with the correct tone
  • android.media.AudioTrack ( ). , , - . , Android. , .
  • android.media.audiofx
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Source: https://habr.com/ru/post/1779942/

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