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java - Calculate FFT from audio file - Stack Overflow
https://stackoverflow.com/questions/17565269/calculate-fft-from-audio-file
Now I need to calculate FFT value from *.wav audio file that I saved before, I saved the audio in 'raw' folder inside 'res' folder from my project ... I spent a better part of the morning coding a solution for this using bits and pieces of FFT java snippets I was finding... but then I stumbled upon this amazingly wondeful google code project ...
QuiFFT: Amazingly simple Fourier transforms in Java
QuiFFT abstracts away the technical details of digital audio representation and wave mathematics, providing a delightfully simple interface for computing Fourier transforms in Java. Your first FFT can be as simple as one line: FFTResult fft = new QuiFFT("audio.mp3").fullFFT();
fft - How to analyze audio input/spectrum correctly ...
https://dsp.stackexchange.com/questions/14183/how-to-analyze-audio-input-spectrum-correctly
If you are good enough with JAVA you can use the JTRANSFORMS a java library for FFT which may come in help for you and by your need it sounds like a Music Visualization using Java Sound API Music Visualization using FFT in Ruby in 7Steps you can follow these simple steps as of your requirement: *Get accustomed to some audio terminology
Java FFTPack download | SourceForge.net
https://sourceforge.net/projects/jfftpack/
JavaFlashFFT generate the spectrum of a audio file (6x RT), and store the result in a XML file that will be read by the flash client to draw a realtime spectrum. Can be used as a command line tool or integrated in a servlet to dynamically serve content. Kiss FFT The FFT library to "Keep It Simple, Stupid" This is the original home of kissfft.
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