This is Fast Fourier Transformation based spectrum Analyzer for human voice. This project has been made open source and one can clone the source code from https://github.com/sommukhopadhyay/FFTBasedSpectrumAnalyzer. There is a new and improved version called Spectrum Analyzer1 at https://play.google.com/store/apps/details?id=com.somitsolutions.android.spectrumanalyzer1. This is because i lost the key for this app and hence had to upload a new version as a brand new app... From now onward please download this version.
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