kfr ☆
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Description:
Fast, modern C++ DSP framework
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Multimedia
Tags: audio dsp c-plus-plus signal-processing simd header-only
Install: brew install kfr
About:
Kfr is a high-performance C++ DSP framework designed for creating audio processing applications with maximum efficiency. It provides a modern, header-only library that leverages SIMD instructions for optimized signal processing operations. The framework enables developers to write clean, expressive code without sacrificing execution speed.
Key Features:
  • SIMD-optimized vector operations
  • Header-only C++11/14/17 library
  • Expression templates for zero-cost abstractions
  • Comprehensive audio processing primitives
  • Cross-platform compatibility
Use Cases:
  • Real-time audio processing applications
  • Digital audio workstation plugins
  • Scientific signal processing
  • Audio synthesis and effects development
Alternatives:
  • JUCE – Kfr is header-only and more focused on DSP performance, while JUCE provides a full application framework
  • FFTW – Kfr offers modern C++ API with SIMD optimizations, while FFTW is a C library focused specifically on FFT computation
  • Eigen – Kfr is specialized for audio/DSP with fixed-point support, while Eigen is a general linear algebra library
Version History
Detected Version Rev Change Commit
Sep 12, 2025 9:19am 0 VERSION_BUMP ed331097
Aug 26, 2025 11:05am 0 VERSION_BUMP 7d7847cb
Jan 13, 2025 10:10pm 0 VERSION_BUMP 6a1e0860
Nov 24, 2024 5:19pm 0 NEW f181cb0b
Nov 24, 2024 12:05pm 0 VERSION_BUMP d99080c0
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