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I'm trying to do real-time polyphonic pitch detection in Android similar to the "Simply Piano" app. I need to process audio with low latency, apply operations on it like Constant Q Transform and then feed it to a tflite model and provide visual feedback to the user based on the analysis. Could someone please recommend a library for real-time audio processing in android. I'd prefer a free library or something that offers a trial until the app is deployed.

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    Great! Could you please also add whether you want an open source or gratis library, or if not what your budget is? Thanks! – Nicolas Raoul Jan 9 at 7:43
  • I edited the title, feel free to edit it further if you want. – Nicolas Raoul Jan 9 at 7:45

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