How to develop a Spectrum Analyser from a realtime audio?

Question

I am developing an app that get a source audio from mic in realtime, with no file storage. Basically, I use:

mRecorder = new MediaRecorder();
mRecorder.setAu         


        

Answer 1

I have developed an open source FFT based spectrum analyzer. Please have a look at

http://som-itsolutions.blogspot.in/2012/01/fft-based-simple-spectrum-analyzer.html.

You can also get the source code from

https://github.com/sommukhopadhyay/FFTBasedSpectrumAnalyzer

Hope this will help you.