Fun with Java, How and Why Spectral Analysis Works     http://www.developer.com/java/other/article.php/3374611     tags: fft fourier tutorial JAVASOUND-INTEREST archives -- March 2005 (#132)     Re: Passing data from microphone to FFT Class     http://archives.java.sun.com/cgi-bin/wa?A2=ind0503&L=javasou...     tags: java sound fft fourier The Java FFT Source Code Page     http://www.nauticom.net/www/jdtaft/JavaFFT.htm     tags: java sound fft fourier JAVASOUND-INTEREST archives -- January 2005 (#85)     maximum frequency, see also unsharpen patent     http://archives.java.sun.com/cgi-bin/wa?A2=ind0501&L=javasou...     tags: java fourier