Discrete Fourier Transform Dft

CHAPTER 1: FOURIER ANALYSIS1.1 CONTINUOUS-TIME FOURIER SERIES (CTFS)1.2 PROPERTIES OF CTFS 1.2.1 Time-Shifting Property 1.2.2 Frequency-Shifting Property 1.2.3 Modulation Property1.3 CONTINUOUS-TIME FOURIER TRANSFORM (CTFT)1.4 PROPERTIES OF CTFT 1.4.1 Linearity 1.4.2 Conjugate Symmetry 1.4.3 Real...

This code implements automatic gain control for audio signals, which attempts to apply a smoothly-varying gain to an audio waveform in order to keep its energy close to some target level. This version also tries to balance the energy in individual frequency bands. It works by taking the...

The Matlab code in this folder implements 1D-3D NUFFTs via fast Gaussian gridding. The convolution loops are written as C programs to be compiled as mex files from the Matlab command prompt. Further mathematical details about the code can be found in L. Greengard and J. Lee, "Accelerating the...


Platforms: Matlab

Computes mel frequency cepstral coefficient (MFCC) features from a given speech signal. The speech signal is first preemphasised using a first order FIR filter with preemphasis coefficient. The preemphasised speech signal is subjected to the short-time Fourier transform analysis with a specified...


Platforms: Matlab

Script que soluciona ecuaciones diferenciales y de diferencias.ECUACIONES DIFERENCIALES EN FORMA SIMBdoOCtLICA y(t)con x(t) igual a las siguientes entradas; funcidoDln impulso(d(t)-delta de dirac), funcidoDln paso u(t), y funcidoDln rampa t*u(t) mediante el uso de la Transformada de...


Platforms: Matlab

Parameter to dynamically track the pulsed to tonal mean power distribution. This set of scripts and functions show how the pulsed to tonal strength parameter can be calculated.The pulsed to tonal strength parameter/ratio (PTR) can give information of the mean power present in the pulsed...


Platforms: Matlab

GFourier is a plug-in for GIMP; with GFourier, you can use Fourier Analysis, to enhance and recover your images. More specifically, GFourier calculates the Fourier Transform of an image; you can then design and apply some simple filters; later, you can use the Inverse Fourier Transform to...


Platforms: *nix

Advanced hexadecimal editor. Few important programs features: 6 color schemes to interpret bytes visually. Every of them tryies to fit some functionality (for example text analyzing) and user preferences Unlimited undo Access to logical disks under Windows NT/2000/XP Disassembler Import and...


Platforms: Windows

- It draws a diagrams from your txt-data files. - It scales your diagrams automatically or manually. - Simply make a txt or csv (ASCII) file like that: Dow Jones Date; Open; High; Low; Close 4/14/2005; 10403.71; 10457.06; 10248.23; 10278.75 4/15/2005; 10276.61; 10311.26;...


Platforms: Windows

Voxformer is a multi-functional vocal channel strip plug-in in VST format (Virtual DJ, FL Studio, SoundForge, Cubase, etc). Combining several professional quality processing modules, Voxformer was designed to be a comprehensive solution for all your vocal processing needs - be it a spoken or a...


Platforms: Windows

Find best Spectral Estimation Method for a Power Spectral Density plot. A menu of 10+ spectral estimators from Steve Kay"s textbook, Modern Spectral Estimation, 1988, is available to choose from. The results differ dramatically from one estimator to another. Plus, varying input parameter...


Platforms: Windows, Windows CE

PassMark SoundCheck is a Windows based application that allows users to test their PC sound card, speakers and microphone. Verify that your sound card can record and playback sounds at various audio sample rates. Check the capability of your speakers to reproduce the highest and lowest...


Platforms: Windows

Preview, organize, edit, and print your digital photos with Photo Manager 2008. Find images on your computer and remove duplicates. Features: Browse Folders and Preview Images: Photo Manager 2008 displays classic list of thumbnails for images in a folder and lets you explore folders and...


Platforms: Windows

Softpixels Digital Image Processing Version 1.0.0 is now shipping! This newest software based on window configuration features added enhancements including upgrades in the fast Fourier transform, wavelet transform, morphological operation, linear filtering, Wiener filtering, histogram...


Platforms: Windows

Pocket RTA is a highly portable real-time spectrum analyser for your PC and Pocket PC. PocketRTA has many advanced features which are normally only found in much more expensive sound analysis software, providing fast and accurate spectrum analysis suitable for both amateur hi-fi enthusiasts and...


Platforms: Windows

Audio::Data is a module for representing audio data to perl. SYNOPSIS use Audio::Data; my $audio = Audio::Data->new(rate => , ...); $audio->method(...) $audio OP ... Audio::Data represents audio data to perl in a fairly compact and efficient manner using C via XS to hold data as a C...


Platforms: *nix

Which estimator is best for your job? Helps Find best Spectral Estimation Method for a Power Spectral Density plot. A menu of 10+ spectral estimators from Steve Kay's textbook 'Modern Spectral Estimation' 1988 is available to choose from. The results differ dramatically from one estimator to...


Platforms: Windows, Windows 8, Windows 7, Windows Server

Gwyddion is a modular program for SPM (scanning probe microscopy) data visualization and analysis. Primarily it is intended for analysis of height fields obtained by scanning probe microscopy techniques (AFM, MFM, STM, SNOM/NSOM), however it can be generally used for any other height field and...


Platforms: Linux

OptiVec contains more than 3500 hand-optimized, Assembler-written functions for all floating-point and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular...


Platforms: Windows, Other

OptiVec contains more than 3500 hand-optimized, Assembler-written functions for all floating-point and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular...


Platforms: Windows, Other