fast-fourier-transform

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smacke /ffsubsync

Sponsor

Star7.2k

Automagically synchronize subtitles with video.

audio sync synchronization video ffmpeg captions subtitles caption alignment fast-fourier-transform subtitle vad vlc srt fft vlc-media-player srt-subtitles voice-activity-detection speech-detection string-alignment

UpdatedFeb 19, 2025
Python

Linear algebra, eigenvalues, FFT, Bessel, elliptic, orthogonal polys, geometry, NURBS, numerical quadrature, 3D transfinite interpolation, random numbers, Mersenne twister, probability distributions, optimisation, differential equations.

optimization linear-algebra sparse-systems linear-programming scientific-computing fast-fourier-transform computational-geometry differential-equations eigenvectors mersenne-twister eigenvalues parallel-computations

UpdatedApr 8, 2025
Go

kfrlib /kfr

Star1.7k

Fast, modern C++ DSP framework, FFT, Sample Rate Conversion, FIR/IIR/Biquad Filters (SSE, AVX, AVX-512, ARM NEON)

audio cplusplus dft cxx dsp cpp14 avx clang simd header-only fast-fourier-transform cpp17 cplusplus-14 fft digital-signal-processing avx512 audio-processing cplusplus-17 discrete-fourier-transform

UpdatedMay 23, 2025
C++

Maratyszcza /NNPACK

Star1.7k

Acceleration package for neural networks on multi-core CPUs

cpu neural-network high-performance inference multithreading simd matrix-multiplication neural-networks high-performance-computing convolutional-layers fast-fourier-transform winograd-transform

UpdatedJun 11, 2024
C

hukenovs /dsp-theory

Star1.1k

Theory of digital signal processing (DSP): signals, filtration (IIR, FIR, CIC, MAF), transforms (FFT, DFT, Hilbert, Z-transform) etc.

python lectures tutorial fpga dsp numpy fast-fourier-transform scipy convolution fft digital-signal-processing lessons fir numpy-tutorial finite-impulse-response

UpdatedSep 23, 2024
Jupyter Notebook

pkumivision /FFC

Star374

This is an official pytorch implementation of Fast Fourier Convolution.

deep-neural-networks fast-fourier-transform imagenet image-classification spectral-analysis ffc non-local

UpdatedMay 25, 2024
Python

spatialaudio /signals-and-systems-lecture

Star349

Continuous- and Discrete-Time Signals and Systems - Theory and Computational Examples

jupyter notebook ipython signal-processing signals systems fast-fourier-transform signal laplace-transform linear-time-invariant discrete-fourrier-transform fourier-transform open-education bachelors-course open-education-resources open-educational-resources signals-and-systems z-transform

UpdatedApr 30, 2024
Jupyter Notebook

QuState /PhastFT

Star219

A high-performance, "quantum-inspired" Fast Fourier Transform (FFT) library written in pure and safe Rust.

dsp simd fast-fourier-transform fft digital-signal-processing audio-processing

UpdatedAug 17, 2024
Rust

robertrypula /AudioNetwork

Star212

Data transmission over sound waves written in JavaScript without any dependencies. All you need is just microphone, speakers and the browser!

correlation packets dsp microphone fast-fourier-transform transmit-data webaudio-api modem receive-data fsk psk ofdm data-transmission sound-waves discrete-fourier-transform

UpdatedMay 16, 2018
JavaScript

hukenovs /intfftk

Star88

Fully pipelined Integer Scaled / Unscaled Radix-2 Forward/Inverse Fast Fourier Transform (FFT) IP-core for newest Xilinx FPGAs (Source language - VHDL / Verilog). GNU GPL 3.0.

fpga dsp vhdl verilog fast-fourier-transform xilinx fft vivado altera cooley-tukey-fft digital-signal-processing fast-convolutions radix-2 integer-arithmetic route-optimization