Search Results for "gimp fourier transform fft"
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Showing 24 open source projects for "gimp fourier transform fft"
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Description and detailed explanation on Fourier Transform, some FFT, LPC etc. Runable project demonstrates DCT transform on continuous audio, show and edit audio source with different zooming and view.
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NFFT
The official NFFT library repository
NFFT is a software library, written in C, for computing non-equispaced fast Fourier transforms and related variations. -
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libdspl-2.0
libdspl-2.0 is opensource cross-platform digital signal processing alg
libdspl-2.0 — opensource cross-platform digital signal processing algorithm library, written in C language. Distributed under LGPL v3 license. This allows to use this library in all applications with dynamic linking. -
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FFTW++ is a C++ header class for the FFTW Fast Fourier Transform library that automates memory allocation, alignment, planning, wisdom, and communication on both serial and parallel (OpenMP/MPI) architectures. In 2D and 3D, hybrid dealiasing of convolutions substantially reduces memory usage and computation time. Wrappers for C, Python, and Fortran are included.
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Advanced Trigonometry Calculator
Precision Trigonometry: Advanced Calculator for Complex Math
Advanced Trigonometry Calculator is equipped with a user-friendly interface that allows for easy input of problems and instant computation. Professionals such as engineers who need to perform advanced trigonometric calculations in their work will find this tool extremely useful. More info by clicking below: https://advantrigoncalc.sourceforge.io/ Advanced Trigonometry Calculator was only and always only developed by the Portuguese Renato Alexandre dos Santos Freitas. Also author of... -
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radio_vocoder_FFT
a vocoder + equalizer + FFT effects version of radio_chung
radio vocoder chung is a vocoder + linear equalizer(s) + FFT effect(s) version of radio chung free internet web radio stream url and audio file generic path player ( * ,mp3,*name*.ogg,wav,...) with dsp(s) (baxandall , resonance , automod , decay , flat , noisered , speed , feedback ) using bass.dll , gui_chung , FFTdll.dll fft fast fourier transform and freebasic .high quality small pitch shift shifting for radio url . added record, playrec, save as MP3 , feedback , anticlick . -
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resonance_chung free VST plugin effect
piano like variable dynamic reverb
resonance chung is a free gpl open source VST plugin variable dynamic reverb sound effect compatible with VST steinberg, fb_chungVST , midipiano_chung , freemp3_chung , dsp_chung , radio _chung music plugins support. It aims to simulate the increase of reverberation with the number of played notes like in a real acoustic piano . a quick fft small fourier transform is used to estimate a number of played notes and modify the reverb rate in real time. Is written in easy fast freebasic . -
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DarkF
DarkF is an FFT optical simulation code for GW inteferometers
... (larger than a mirror) and a sampling rate of 256*256). With the Fourier transform method, it is easy to obtain a propagated beam and we can use this code to simulate a simple or a complex system as a Fabry Perot cavity or Advanced detector, like Advanced Virgo, Advanced LIGO or Kagra. It can include reflection and transmission maps from measurements or real mirrors. -
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vocoder chung is a small educational vocoder using discrete fourier transform FFT spectrum written in easy fast compiled freebasic . (24/12/2019) uses fast and accurate FFTdll.dll (28/03/2020) algorythmic voice cloning / change / morphing experiment added
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MSU's Sparse Fourier Repository
The Home of DMSFT, AAFFT, GFFT, and MSFFT.
A collection of sparse Fourier transform codes developed by faculty at MSU. Currently codes for four different prototype sparse FFTs are here: 1.) DMSFT, implemented by Ruochuan Zhang. This is a fast, stable, noise robust, and *fully discrete* improvement on the ideas in GFFT below. It is THE BEST sparse FFT around!!! If you're looking for AAFFT, try this out first. 2.) AAFFT, implemented by Mark Iwen in 2008. This code is easy to use, and documented well, but not implemented very... -
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HPC Challenge
HPC Challenge is an HPC benchmark for memory access patterns
...) - exercises the communications where pairs of processors communicate with each other simultaneously - a useful test of the total communication capacity of the network. (5) RandomAccess - measures the rate of integer random updates of memory (GUPS). (6) FFT - measures the floating point rate of execution of double precision complex one-dimensional Discrete Fourier Transform (DFT). (7) Communication bandwidth and latency test for simultaneous communication patterns. http://icl.cs.utk.edu/hpcc -
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A More Accurate Fourier Transform
Computes Accurate Fourier Transform via Explicit Integration not FFT
Fourier transform methods are used to analyze functions and data sets to provide frequencies, amplitudes, and phases of underlying oscillatory components. Fast Fourier transform (FFT) methods offer speed advantages over evaluation of explicit integrals (EI) that define Fourier transforms. It has been shown recently that EI methods can be more accurate than FFT methods (Courtney and Courtney, A More Accurate Fourier Transform) for scientific data analysis and that EI methods can be implemented... -
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FFTL
Templated Fast Fourier Transform in C++
Now moved to GitHub: https://github.com/CoreyShay/FFTL Provides some relatively easier to use than normal templated FFT classes written in C++. This is currently still a work in progress, but the FFT portion (complex and real) both output the correct results, and the code executes very quickly, around only 30% or so slower than the much more difficult to compile FFTW on SSE enabled platforms. Though optimized code only runs on SSE (x86) based platforms, it's a very simple matter to port... -
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StFFT
FFT on Structured text
Fast fourier transform algorithm written on IEC-61131-3 Structured text programming language for programmable logic controllers. Algorithm is split-radix FFT. StFFT is iterative contrary to more common recursive approach. Iterative solution was chosen because PLCs don't have support for recursion. For compatibility with as many as possible PLC models, algorithm have dependency only on sine and cosine functions. Dual licenced under LGPL and Commercial licence. For commercial licencing... -
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QRealFourier
Qt-based FFT implementation
A Qt library for Fast Fourier Transform (FFT) of real samples. Based on the FFTReal library. -
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tiny-DSP library
small and fast library dealing with signal processing
Tiny-DSP library contains c sources of a fast, tiny, portable and generic FFT (Fast Fourier transform) and inverse FFT. Supported are all power of two sizes (like 2,4,8,16,32,...) for one and two dimensional floating point arrays. -
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An implementation of the sparse FFT algorithms discovered by Mark Iwen and described in http://www.math.duke.edu/~markiwen/DukePage/Papers/JcFFTsubmit.pdf. Used for benchmarking in http://www.ima.umn.edu/preprints/jul2010/2326.pdf.
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Foad is an open source software which receive an EKG Signal from scanner, WFDB database or heart sensors. Finding patient disease started by taking Fourier transform (FFT) from input signal and extract a single cycle. Based on some heuristic algorithm the most important feature like P , Q , R , S , T captured and feed to trained neural network. and so the final decision made by CNN library. As mentioned before this software also capable do some image processing on scanned paper to lower...
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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.
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eXtace is a 3D audio visualization tool (or eye candy depending on how you look at it). eXtace requires ESD (Esound) for its sound input source. It performs a FFT (fast fourier transform) on audio and displays it via various graphical modes.
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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).
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Ekstasis
A digital signal processing (DSP) framework (w/ audio to midi focus)
Ekstasis is currently a rapidly produced prototype version of a Digital Signal Processing (DSP) framework which seeks to provide signal/data processing modules which can be strung together via Boost library interprocess message queues. Tools for creating and destroying the communication queues, loading/saving PCM 44100 Hz to/from the signal processing chain, windowing the data (currently only a Hann windowing function module), performing a Discrete Fourier Transform (DFT) on the data (using FFT...
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