Nsound
0.9.4
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A class for filtering audio in the frequecy domain. More...
#include <Nsound/FilterDelay.h>
Public Member Functions | |
FilterDelay (const float64 &sample_rate, const float64 &max_delay_time_seconds) | |
FilterDelay (const FilterDelay ©) | |
~FilterDelay () | |
AudioStream | filter (const AudioStream &x) |
AudioStream | filter (const AudioStream &x, const float64 &delay_in_seconds) |
AudioStream | filter (const AudioStream &x, const Buffer &delay_in_seconds) |
Buffer | filter (const Buffer &x) |
Buffer | filter (const Buffer &x, const float64 &delay_in_seconds) |
Buffer | filter (const Buffer &x, const Buffer &delay_in_seconds) |
float64 | filter (const float64 &x) |
float64 | filter (const float64 &x, const float64 &delay_in_seconds) |
FilterDelay & | operator= (const FilterDelay &rhs) |
void | reset () |
void | setRealtime (bool flag) |
Buffer | getFrequencyAxis (const uint32 n_fft=8192) |
Buffer | getFrequencyResponse (const uint32 n_fft=8192) |
Buffer | getImpulseResponse (const uint32 n_samples=8192) |
virtual uint32 | getKernelSize () const |
Buffer | getPhaseResponse () |
float64 | getSampleRate () const |
void | plot (boolean show_phase=false) |
Protected Attributes | |
float64 * | buffer_ |
float64 * | buffer_end_ptr_ |
float64 * | read_ptr_ |
float64 * | write_ptr_ |
float64 | delay_ |
uint32 | n_samples_ |
float64 | sample_rate_ |
float64 | two_pi_over_sample_rate_ |
float64 | sample_time_ |
uint32 | kernel_size_ |
bool | is_realtime_ |
A class for filtering audio in the frequecy domain.
Definition at line 47 of file FilterDelay.h.
Definition at line 45 of file FilterDelay.cc.
References buffer_, buffer_end_ptr_, delay_, M_ASSERT_VALUE, n_samples_, reset(), and Nsound::Filter::sample_rate_.
FilterDelay::FilterDelay | ( | const FilterDelay & | copy | ) |
FilterDelay::~FilterDelay | ( | ) |
AudioStream FilterDelay::filter | ( | const AudioStream & | x | ) |
Definition at line 98 of file FilterDelay.cc.
References Nsound::Filter::filter().
Referenced by Nsound::FilterCombLowPassFeedback::filter(), filter(), Nsound::FilterMovingAverage::filter(), Nsound::FilterAllPass::filter(), Nsound::FilterFlanger::filter(), and FilterDelay_UnitTest().
AudioStream FilterDelay::filter | ( | const AudioStream & | x, |
const float64 & | delay_in_seconds | ||
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AudioStream FilterDelay::filter | ( | const AudioStream & | x, |
const Buffer & | delay_in_seconds | ||
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Implements Nsound::Filter.
Definition at line 140 of file FilterDelay.cc.
References delay_, and filter().
Implements Nsound::Filter.
Definition at line 148 of file FilterDelay.cc.
References buffer_, buffer_end_ptr_, delay_, n_samples_, read_ptr_, Nsound::Filter::sample_rate_, and write_ptr_.
FilterDelay & FilterDelay::operator= | ( | const FilterDelay & | rhs | ) |
Definition at line 184 of file FilterDelay.cc.
References buffer_, buffer_end_ptr_, delay_, n_samples_, read_ptr_, reset(), and write_ptr_.
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virtual |
Implements Nsound::Filter.
Definition at line 215 of file FilterDelay.cc.
References buffer_, buffer_end_ptr_, n_samples_, read_ptr_, and write_ptr_.
Referenced by FilterDelay(), operator=(), Nsound::FilterCombLowPassFeedback::reset(), Nsound::FilterAllPass::reset(), Nsound::FilterMovingAverage::reset(), and Nsound::FilterFlanger::reset().
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inlineinherited |
Definition at line 185 of file Filter.cc.
References Nsound::FFTransform::roundUp2(), and Nsound::Filter::sample_rate_.
Referenced by main(), Nsound::Filter::plot(), and Nsound::FilterIIR::savePlot().
Definition at line 210 of file Filter.cc.
References Nsound::FFTransform::fft(), Nsound::Filter::getImpulseResponse(), and Nsound::Filter::sample_rate_.
Referenced by Nsound::FilterBandPassIIR::FilterBandPassIIR(), FilterLeastSquaresFIR_UnitTest(), Nsound::FilterIIR::getRMS(), main(), Nsound::Filter::plot(), and Nsound::FilterIIR::savePlot().
Definition at line 225 of file Filter.cc.
References Nsound::Filter::filter(), Nsound::Filter::is_realtime_, and Nsound::Filter::reset().
Referenced by Nsound::Filter::getFrequencyResponse(), Nsound::FilterHighPassFIR::getImpulseResponse(), Nsound::FilterLowPassFIR::getImpulseResponse(), Nsound::FilterLeastSquaresFIR::getImpulseResponse(), Nsound::FilterIIR::getImpulseResponse(), and Nsound::Filter::getPhaseResponse().
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inlinevirtualinherited |
Reimplemented in Nsound::FilterIIR, and Nsound::FilterTone.
Definition at line 96 of file Filter.h.
References Nsound::Filter::kernel_size_.
Referenced by Nsound::FilterBandPassIIR::FilterBandPassIIR(), Nsound::FilterBandPassFIR::plot(), Nsound::FilterBandPassIIR::plot(), and Nsound::FilterBandRejectIIR::plot().
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inherited |
Definition at line 245 of file Filter.cc.
References Nsound::FFTransform::fft(), Nsound::Filter::getImpulseResponse(), Nsound::Buffer::getLength(), Nsound::Filter::sample_rate_, and Nsound::Buffer::subbuffer().
Referenced by Nsound::Filter::plot().
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inlineinherited |
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inherited |
Definition at line 262 of file Filter.cc.
References Nsound::Plotter::figure(), Nsound::Buffer::getdB(), Nsound::Filter::getFrequencyAxis(), Nsound::Filter::getFrequencyResponse(), Nsound::Buffer::getMax(), Nsound::Filter::getPhaseResponse(), Nsound::Plotter::plot(), Nsound::Plotter::subplot(), Nsound::Plotter::xlabel(), Nsound::Plotter::ylabel(), and Nsound::Plotter::ylim().
Referenced by main(), Nsound::FilterLowPassMoogVcf::plot(), Nsound::FilterPhaser::plot(), Nsound::FilterTone::plot(), Nsound::FilterHighPassIIR::plot(), Nsound::FilterCombLowPassFeedback::plot(), Nsound::FilterLowPassIIR::plot(), Nsound::FilterLowPassFIR::plot(), Nsound::FilterHighPassFIR::plot(), Nsound::FilterAllPass::plot(), Nsound::FilterBandPassVocoder::plot(), Nsound::FilterBandPassFIR::plot(), Nsound::FilterLeastSquaresFIR::plot(), Nsound::FilterFlanger::plot(), Nsound::FilterBandRejectFIR::plot(), Nsound::FilterBandPassIIR::plot(), Nsound::FilterBandRejectIIR::plot(), and Nsound::FilterParametricEqualizer::plot().
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protected |
Definition at line 91 of file FilterDelay.h.
Referenced by filter(), FilterDelay(), operator=(), reset(), and ~FilterDelay().
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protected |
Definition at line 92 of file FilterDelay.h.
Referenced by filter(), FilterDelay(), operator=(), and reset().
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protected |
Definition at line 93 of file FilterDelay.h.
Referenced by filter(), operator=(), and reset().
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protected |
Definition at line 94 of file FilterDelay.h.
Referenced by filter(), operator=(), and reset().
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protected |
Definition at line 96 of file FilterDelay.h.
Referenced by filter(), FilterDelay(), and operator=().
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protected |
Definition at line 98 of file FilterDelay.h.
Referenced by filter(), FilterDelay(), operator=(), and reset().
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protectedinherited |
Definition at line 113 of file Filter.h.
Referenced by Nsound::FilterPhaser::filter(), Nsound::FilterCombLowPassFeedback::filter(), filter(), Nsound::FilterAllPass::FilterAllPass(), Nsound::FilterCombLowPassFeedback::FilterCombLowPassFeedback(), FilterDelay(), Nsound::FilterFlanger::FilterFlanger(), Nsound::FilterPhaser::FilterPhaser(), Nsound::FilterSlinky::FilterSlinky(), Nsound::Filter::getFrequencyAxis(), Nsound::Filter::getFrequencyResponse(), Nsound::Filter::getPhaseResponse(), Nsound::Filter::getSampleRate(), Nsound::FilterStageIIR::makeIIRKernelHelper(), Nsound::FilterHighPassFIR::makeKernel(), Nsound::FilterStageIIR::makeKernel(), Nsound::FilterBandPassVocoder::makeKernel(), Nsound::FilterLeastSquaresFIR::makeKernel(), Nsound::FilterParametricEqualizer::makeKernel(), Nsound::FilterPhaser::operator=(), Nsound::FilterLeastSquaresFIR::operator=(), Nsound::FilterFlanger::operator=(), Nsound::FilterIIR::operator=(), Nsound::FilterLowPassMoogVcf::plot(), Nsound::FilterPhaser::plot(), Nsound::FilterTone::plot(), Nsound::FilterHighPassIIR::plot(), Nsound::FilterLowPassIIR::plot(), Nsound::FilterCombLowPassFeedback::plot(), Nsound::FilterLowPassFIR::plot(), Nsound::FilterHighPassFIR::plot(), Nsound::FilterAllPass::plot(), Nsound::FilterBandPassFIR::plot(), Nsound::FilterLeastSquaresFIR::plot(), Nsound::FilterFlanger::plot(), Nsound::FilterBandRejectFIR::plot(), Nsound::FilterBandRejectIIR::plot(), Nsound::FilterBandPassIIR::plot(), Nsound::FilterParametricEqualizer::plot(), Nsound::FilterLowPassIIR::setCutoff(), and Nsound::FilterLeastSquaresFIR::setWindow().
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protectedinherited |
Definition at line 114 of file Filter.h.
Referenced by Nsound::FilterTone::makeKernel(), Nsound::FilterLowPassFIR::makeKernel(), and Nsound::FilterParametricEqualizer::makeKernel().
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protectedinherited |
Definition at line 115 of file Filter.h.
Referenced by Nsound::FilterLowPassMoogVcf::_make_filter().
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protectedinherited |
Definition at line 116 of file Filter.h.
Referenced by Nsound::FilterLowPassFIR::filter(), Nsound::FilterLeastSquaresFIR::filter(), Nsound::FilterBandPassFIR::FilterBandPassFIR(), Nsound::FilterBandPassIIR::FilterBandPassIIR(), Nsound::FilterBandRejectIIR::FilterBandRejectIIR(), Nsound::FilterHighPassIIR::FilterHighPassIIR(), Nsound::FilterLeastSquaresFIR::FilterLeastSquaresFIR(), Nsound::FilterLowPassFIR::FilterLowPassFIR(), Nsound::FilterLowPassIIR::FilterLowPassIIR(), Nsound::FilterLeastSquaresFIR::getKernel(), Nsound::Filter::getKernelSize(), Nsound::FilterHighPassFIR::makeKernel(), Nsound::FilterLowPassFIR::makeKernel(), Nsound::FilterBandRejectFIR::makeKernel(), Nsound::FilterLeastSquaresFIR::makeKernel(), Nsound::FilterLeastSquaresFIR::operator=(), Nsound::FilterLowPassFIR::plot(), Nsound::FilterHighPassFIR::plot(), Nsound::FilterLeastSquaresFIR::plot(), Nsound::FilterBandRejectFIR::plot(), Nsound::FilterLowPassFIR::reset(), Nsound::FilterHighPassFIR::reset(), Nsound::FilterLeastSquaresFIR::reset(), Nsound::FilterLeastSquaresFIR::setKernel(), Nsound::FilterLeastSquaresFIR::setWindow(), and Nsound::FilterHighPassFIR::spectraReversal_().
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protectedinherited |
Definition at line 118 of file Filter.h.
Referenced by Nsound::Filter::filter(), Nsound::FilterBandRejectIIR::filter(), Nsound::FilterBandRejectFIR::filter(), Nsound::Filter::getImpulseResponse(), and Nsound::Filter::setRealtime().