pulp::signal::MinimumPhaseResponse Class Reference

The minimum-phase response with a given magnitude on an FFT grid, by the folded real cepstrum: ln|H| -> cepstrum -> fold onto positive quefrency -> exp(FFT). More...

#include <loudness_compensation.hpp>

Public Member Functions
void	prepare (int fft_size)
	Control thread; allocates. fft_size: the grid (bins = N/2 + 1).
bool	prepared () const noexcept
bool	compute (std::span< const double > magnitude, double floor, std::span< std::complex< double > > out) noexcept
	magnitude: N/2 + 1 linear magnitudes. out: N/2 + 1 values.

Detailed Description

The minimum-phase response with a given magnitude on an FFT grid, by the folded real cepstrum: ln|H| -> cepstrum -> fold onto positive quefrency -> exp(FFT).

The magnitude is floored at floor first, as a minimum-phase designer floors it.

Member Function Documentation

compute()

bool pulp::signal::MinimumPhaseResponse::compute ( std::span< const double > magnitude, double floor, std::span< std::complex< double > > out )

inlinenoexcept

magnitude: N/2 + 1 linear magnitudes. out: N/2 + 1 values.

prepare()

void pulp::signal::MinimumPhaseResponse::prepare ( int fft_size )

inline

Control thread; allocates. fft_size: the grid (bins = N/2 + 1).

prepared()

bool pulp::signal::MinimumPhaseResponse::prepared ( ) const

inlinenodiscardnoexcept

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The documentation for this class was generated from the following file:

• /home/runner/work/pulp/pulp/core/signal/include/pulp/signal/loudness_compensation.hpp