This audio spectrum analyzer utilizes an ARM7 LPC2138 microcontroller to create an FFT algorithm while performing digital signal processing without the use of special DSP processor. This audio ...

Vlodymyr teaches at Brandenburg University of Technology, Cottbus, Germany. He can be reached at myrnyy@math.tu-cottbus.de. This article provided courtesy ofDr. Dobb’s Journal. This article describes ...

The Fast Fourier Transform (FFT) is an implementation of the Discrete Fourier Transform (DFT) using a divide-and-conquer approach. A DFT can transform any discrete signal, such as an image, to and ...