I have an android app written in java. We are recording audios and then playing them back. I need to filter the audio using butterworth filter. I tried using JDSP java filter but the results were not as satisfying as they are from using audacity software. Now I want to implement audacity butterworth filter in my android app using native c++. I found the butterworth filter code but couldn't find its main file. How can I connect this with my app and how can I run this code?
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You'll need to compile it into a shared library with the ndk then load that library in your application – Alan Birtles Jul 26 '21 at 08:48
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I have never done this compiling before can you share any document on how to do it? plus what should I compile? the c++ file code ? Do I also need main function for that? – Umama Khalid Jul 26 '21 at 10:00