KFRlib

Developer(s)	KFRlib
Stable release	6.1.1 / January 13, 2025;25 days ago
Written in	C++
Operating system	OS X, Linux, Microsoft Windows, iOS, Android
Type	library or framework
License	Proprietary, GPL
Website	www.kfrlib.com

Last updated February 08, 2025

KFRlib is an open-source cross-platform C++ DSP framework written in C++. It is covered by a dual GPL/commercial license.

Official support

Supported platforms

KFR is supported on the following platforms.^[1]

Supported compilers

Xcode 6.3 and later
Clang 3.6 and later
Visual Studio 2015 using LLVM-vs2014 toolkit

Features

Optimized for ARM NEON,^[2] SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2 instruction sets
Fast Fourier transform
Convolution
Finite impulse response filters
Infinite impulse response filters
Digital biquad filter
Sample rate conversion
Window function
Goertzel algorithm
Digital delay line
Pseudorandom number generator
SIMD versions of many C mathematical functions

References

External links

Official website
kfr on GitHub

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[1] List of tested compilers

[2] Version 1.0 Release notes

[1]

[2]