In SX Microcontrollers, SX/B Compiler and SX-Key Tool, nate wrote: FFT= Fast Fourier Transform This algorithm can take your audio input (which is in the time domain) and output it in the frequency domain. Can be used to determine what frequencies are contained within a given waveform. Nate ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=118592#m119645 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)