Freeware Listing: Fft

User-friendly 2D FFT/iFFT (Fast Fourier Transform) plug-in for Adobe PhotoShop compatible plug-in hosts. It uses one of the fastest implementations of the Discrete Fourier Transform and has many applications including periodic noise removal and pattern detection. This can be very useful in analyzing fingerprints, paper sieve patterns etc..

  • Publisher: KamLex
  • Date: 23-07-2012
  • Size: 390 KB
  • Platform: WinOther

Radix-4 FFT Test Script This file runs three versions of a Radix-4 FFT written in MATLAB: radix4FFT1_Float.m computes a radix-4 FFT for floating point data types radix4FFT2_FixPt.m computes a fixed point radix-4 FFT (requires Fixed Point Toolbox) radix4FFT3_FixPtEML.m is an Embedded MATLAB version of the radix-4 FFT that can be used in Simulink. You can also generate C code for this code (using Real Time Workshop). This version can also be compiled into a MEX'd executable that runs significantly faster than the fixed point code. For a description of the radix-4 FFT algorithm see the following link to DSPDesignLine.

  • Platform: Matlab, Scripts

SPAN is a real-time 'fast Fourier transform' audio spectrum analyzer plug-in for professional music and audio production applications. For the most part it was derived from Voxengo GlissEQ dynamic parametric equalizer and reproduces its spectrum analysis functionality. SPAN provides you with a very flexible &mode& system which you can use to setup your spectrum analyzer preferences. You may specify Fourier block size in samples, FFT window overlap percentage, spectrum's visual slope. Beside that you can choose to display secondary spectrum of a desired type (e.g. real-time maximum, all-time maximum).

  • Platform: WinOther

SPAN is a real-time 'fast Fourier transform' audio spectrum analyzer plug-in for professional music and audio production applications. For the most part it was derived from Voxengo GlissEQ dynamic parametric equalizer and reproduces its spectrum analysis functionality. SPAN provides you with a very flexible &mode& system which you can use to setup your spectrum analyzer preferences. You may specify Fourier block size in samples, FFT window overlap percentage, spectrum's visual slope. Beside that you can choose to display secondary spectrum of a desired type (e.g. real-time maximum, all-time maximum).

  • Platform: WinOther

MAnalyzer x64 is an FFT based audio frequency analyzer. Content can be displayed as either 1/3 octave bars or as a variable resolution FFT curve. MAnalyzer allows lots of functions including comparisons, magnitude normalization, averaging and smoothing. FEATURES: · Spectrum meter (64-bars), FFT curve or 1/3 octave bars. · Averaging for real frequency content over time. · Smoothing spreads energy between ranges of frequencies for perfect optical recognition. · Magnitude normalization for better optical comparison. · Freeze mode. · Copy/paste to clipboard to compare in another analyzer window.

  • Platform: WinOther

MAnalyzer is an FFT based audio frequency analyzer. Content can be displayed as either 1/3 octave bars or as a variable resolution FFT curve. MAnalyzer allows lots of functions including comparisons, magnitude normalization, averaging and smoothing. FEATURES: · Spectrum meter (64-bars), FFT curve or 1/3 octave bars. · Averaging for real frequency content over time. · Smoothing spreads energy between ranges of frequencies for perfect optical recognition. · Magnitude normalization for better optical comparison. · Freeze mode. · Copy/paste to clipboard to compare in another analyzer window.

  • Platform: WinOther

This is a demo of A/D conversion, Fast Fourier Transform (by Chan), and displaying the signal and FFT result on LCD (128x64), developed with mega128 and WinAVR-20080610..

  • Platform: Linux, WinOther

Program that does an FFT (Fast Fourier Transformation) algorithm on a 1 dimensional time buffer read from a file. It will display graphically..

  • Platform: Linux, WinOther

FFT Spectra is a tool for visualization of frequency spectra of an audio signal. What is it good for? For instance, you can verify whether you are able to sing and whistle in-tune or tune your guitar..

  • Platform: Linux

Radix 2 FFT using Decimation in Frequency Truly Appreciates the Wonder Geniuses Joseph Fourier & Cooley Tuckey.

  • Platform: Matlab, Scripts

Comparison with fft function is also shown..

  • Platform: Matlab, Scripts

It will help you to make a N-point Paired matrix for FFT..

  • Platform: Matlab, Scripts
  • fft
  • License: Freeware
  • Rating

use matlab to implement fft.

  • Publisher: ustc huan
  • Date: 07-06-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

The fft of 3 functions are compared with their analytic transforms. The method proposal produce results that are super imposable with the theoretical predictions. Odd and even number of points are considered. (The algorithm works correctly in both cases)..

  • Platform: Matlab, Scripts

A lightweight 2D FFT library for the Cell architecture. Intended to do in-core, 2D FFTs distributed across the Cell's SPEs to achieve new heights in high-speed 2D FFTs.
Cell BE 2D FFT License - Common Public License 1.0.

  • Platform: WinOther

The Arbitrarily-Decomposed MPI FFT library is a C subroutine library for the computation of the multidimensional Fast Fourier Transform (FFT) of a distributed grid using the Message-Passing Interface (MPI).
Arbitrarily-Decomposed MPI FFT License - MIT License.

  • Platform: WinOther

Voxengo SPAN Plus is a handy and reliable VTS plugin designed to analyze audio spectrums in real time via the Fast Fourier Transform (FFT method).

Voxengo SPAN Plus is an extended version of Voxengo Span, with enhancements in spectrum display and import / export operations.


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  • Platform: Win7 x64, Windows 7, WinOther, WinVista, WinVista x64
  • FFT-z
  • License: Freeware
  • Rating

FFT-z Portable is an easy-to-use tool specially designed for Multi-CPU (and RAM) stress testing. This tool will show detailed information about physical and logical processors in the system. It includes CPU Benchmark feature for speed testing and automatically utilizes and tests all CPU cores.


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  • Platform: Win7 x64, Windows 7, WinOther, WinVista, WinVista x64

FFT-z Portable is an easy-to-use tool specially designed for Multi-CPU (and RAM) stress testing. This tool will show detailed information about physical and logical processors in the system. It includes CPU Benchmark feature for speed testing and automatically utilizes and tests all CPU cores.


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  • Platform: Win7 x64, Windows 7, WinOther, WinVista, WinVista x64

HotKey's freeware OpenGL FFT analyzing tool featuring: stereo integer FFT (log. corrected), phase correlator (including phase-deletion), static-phase oscillators, approximated "phon"-corrected volumes, sub-bass scaling ability, sonogram, ... and it actually looks hypnotically fancy ;-).

  • Platform: WinOther

Fft: Freeware | All

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