Libfilth Libfilth is a library for designing, analysing, transforming, and executing digital FIR and IIR filters.
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Libfilth Description

Libfilth is a library for designing, analysing, transforming, and executing digital FIR and IIR filters. Libfilth is a library for designing, transforming, analyzing and executing digital FIR and IIR filters.The filter design methods include:· FIR filter with linear-phase, least-squares design.· FIR filter with complex specification, least-squares Design.· FIR filter with linear-phase, minimax-design using linear programming.· FIR filter with linear-phase, minimax-design using Remes algorithm.· FIR filter with minimum-phase and optimal amplitude.· FIR filter with complex specification, minimax-design.· FIR filter with group delay constraints.· FIR optimal window using quadratic programming.· FIR filter with minimum-phase by spectral factorisation.· FIR filter design by cepstrum technique.· Analog filter design Bessel-Thomson, Butterworth, Chebyshev type I, II and Elliptic function filter.· Transformation of analog to analog and analog to digital filters.· All-pass realization of IIR filters.· FIR half-band filters.· DFT filterbanks and parallel DFT filterbanks design and implementation.· Analysis functions for calculating the properties if analog, IIR and FIR filters.Requirements:· GSL GNU Scientific Library 1.4· lp-solve Solve (mixed integer) linear programming problems 4.0· FFTW Fastest Fourier Transform in the West 3.0· BLAS Basic Linear Algebra Subroutines 1.1What's New in This Release:· Doxygen generated API documentation added.· Major cleanup of unused functions and spell check of all source files.

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