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Searched refs:nyquistFrequency (Results 1 – 20 of 20) sorted by relevance

/dports/audio/praat/praat-6.2.03/dwtools/
H A DSound_and_MultiSampledSpectrogram.cpp29 const double nyquistFrequency = 0.5 / my dx; in Sound_to_ConstantQLog2FSpectrogram() local
31 fmax = nyquistFrequency; in Sound_to_ConstantQLog2FSpectrogram()
32 Melder_require (fmax <= nyquistFrequency, in Sound_to_ConstantQLog2FSpectrogram()
33 U"The maximum frequency should not exceed the nyquist frequency (", nyquistFrequency, U" Hz)."); in Sound_to_ConstantQLog2FSpectrogram()
51 const double nyquistFrequency = 0.5 / my dx; in Sound_to_GaborSpectrogram() local
53 fmax = nyquistFrequency; in Sound_to_GaborSpectrogram()
54 Melder_require (fmax <= nyquistFrequency, in Sound_to_GaborSpectrogram()
55 U"The maximum frequency should not exceed the nyquist frequency (", nyquistFrequency, U" Hz)."); in Sound_to_GaborSpectrogram()
H A DRoots_to_Spectrum.cpp21 autoSpectrum Roots_to_Spectrum (Roots me, double nyquistFrequency, integer numberOfFrequencies, dou… in Roots_to_Spectrum() argument
25 autoSpectrum thee = Spectrum_create (nyquistFrequency, numberOfFrequencies); in Roots_to_Spectrum()
H A DPolynomial_to_Spectrum.cpp37 autoSpectrum Polynomial_to_Spectrum (Polynomial me, double nyquistFrequency, integer numberOfFreque…
41 autoSpectrum thee = Spectrum_create (nyquistFrequency, numberOfFrequencies);
H A DSpectrum_and_MultiSampledSpectrogram.cpp206 const double nyquistFrequency = my v_myFrequencyUnitToHertz (my xmax); in MultiSampledSpectrogram_to_Spectrum() local
207 const double samplingFrequency = 2.0 * nyquistFrequency; in MultiSampledSpectrogram_to_Spectrum()
210 autoSpectrum thee = Spectrum_create (nyquistFrequency, numberOfFFTSamples / 2 + 1); in MultiSampledSpectrogram_to_Spectrum()
243 const double nyquistFrequency = 0.5 / my dx; in Sound_and_MultiSampledSpectrogram_to_Spectrum() local
245 if (maximumFrequency < nyquistFrequency) { in Sound_and_MultiSampledSpectrogram_to_Spectrum()
H A DComplexSpectrogram.cpp68 const double samplingFrequency = 1.0 / my dx, nyquistFrequency = 0.5 / my dx; in Sound_to_ComplexSpectrogram() local
73 maximumFrequency = nyquistFrequency; in Sound_to_ComplexSpectrogram()
74 Melder_require (maximumFrequency <= nyquistFrequency, in Sound_to_ComplexSpectrogram()
75 U"The maximum frequency should not exceed ", nyquistFrequency, U" Hz."); in Sound_to_ComplexSpectrogram()
H A DPolynomial_to_Spectrum.h20 autoSpectrum Polynomial_to_Spectrum (Polynomial me, double nyquistFrequency, integer numberOfFreque…
H A DRoots_to_Spectrum.h24 autoSpectrum Roots_to_Spectrum (Roots me, double nyquistFrequency, integer numberOfFrequencies, dou… in setme()
H A DSound_extensions.cpp1592 const double nyquistFrequency = 0.5 / my dx; in Sound_to_TextGrid_detectVoiceActivity_lsfm() local
1593 Melder_clipRight (& fmax, nyquistFrequency); in Sound_to_TextGrid_detectVoiceActivity_lsfm()
2595 const double samplingFrequency = 1.0 / my dx, nyquistFrequency = 0.5 / my dx; in Sound_reduceNoiseBySpectralSubtraction_mono() local
2614 …double bandwidth = nyquistFrequency * (wantedNumberOfFrequencyBins - 0.5) / (wantedNumberOfFrequen… in Sound_reduceNoiseBySpectralSubtraction_mono()
/dports/audio/praat/praat-6.2.03/fon/
H A DSound_to_Formant.cpp37 Formant_Frame frame, double nyquistFrequency, double safetyMargin) in burg() argument
63 … (atan2 (roots -> roots [iroot].imag(), roots -> roots [iroot].real())) * nyquistFrequency / NUMpi; in burg()
64 if (f >= safetyMargin && f <= nyquistFrequency - safetyMargin) in burg()
80 … (atan2 (roots -> roots [iroot].imag(), roots -> roots [iroot].real())) * nyquistFrequency / NUMpi; in burg()
81 if (f >= safetyMargin && f <= nyquistFrequency - safetyMargin) { in burg()
85 log (norm (roots -> roots [iroot])) * nyquistFrequency / NUMpi; in burg()
172 Formant_Frame frame, double nyquistFrequency) // put the results here in splitLevinson() argument
260 formant -> frequency = acos (zeroes [i]) * nyquistFrequency / NUMpi; in splitLevinson()
H A DSound.cpp979 const double nyquistFrequency = 0.5 * samplingFrequency;
980 if (ceiling <= 0.0 || ceiling > nyquistFrequency)
981 ceiling = nyquistFrequency;
/dports/audio/praat/praat-6.2.03/LPC/
H A DLPC_and_Formant.cpp51 const double nyquistFrequency = 0.5 * samplingFrequency; in Roots_into_Formant_Frame() local
52 const double fLow = margin, fHigh = nyquistFrequency - margin; in Roots_into_Formant_Frame()
56 …uency = fabs (atan2 (my roots [iroot].imag(), my roots [iroot].real())) * nyquistFrequency / NUMpi; in Roots_into_Formant_Frame()
58 const double bandwidth = - log (norm (my roots [iroot])) * nyquistFrequency / NUMpi; in Roots_into_Formant_Frame()
233 const double nyquistFrequency = 0.5 / samplingPeriod; in Formant_Frame_into_LPC_Frame() local
240 if (formantFrequency > nyquistFrequency) in Formant_Frame_into_LPC_Frame()
H A DLPC_and_LineSpectralFrequencies.cpp252 const double nyquistFrequency = 0.5 / my samplingPeriod; in LPC_to_LineSpectralFrequencies() local
253 …lFrequencies_create (my xmin, my xmax, my nx, my dx, my x1, my maxnCoefficients, nyquistFrequency); in LPC_to_LineSpectralFrequencies()
267 …LPC_Frame_grid (lsf_frame, lpc_frame, g1.get(), g2.get(), roots.get(), gridSize, nyquistFrequency); in LPC_to_LineSpectralFrequencies()
H A DFormantPath.cpp248 const double nyquistFrequency = 0.5 / my dx; in Sound_to_FormantPath_any() local
251 Melder_require (maximumCeiling <= nyquistFrequency, in Sound_to_FormantPath_any()
252 U"The maximum ceiling should be smaller than ", nyquistFrequency, U" Hz. " in Sound_to_FormantPath_any()
H A DFormantModeler.cpp1044 const double nyquistFrequency = 0.5 / my dx; in Sound_to_Formant_interval() local
1045 Melder_require (maxFreq <= nyquistFrequency, in Sound_to_Formant_interval()
1105 const double nyquistFrequency = 0.5 / my dx; in Sound_to_Formant_interval_robust() local
1106 Melder_require (maxFreq <= nyquistFrequency, in Sound_to_Formant_interval_robust()
/dports/converters/wkhtmltopdf/qt-5db36ec/demos/spectrum/app/
H A Dutils.h58 qreal nyquistFrequency(const QAudioFormat &format);
H A Dutils.cpp58 qreal nyquistFrequency(const QAudioFormat &format) in nyquistFrequency() function
H A Dengine.cpp490 const qreal nyquist = nyquistFrequency(m_format); in initialize()
/dports/misc/qt5-examples/qt-everywhere-src-5.15.2/qtmultimedia/examples/multimedia/spectrum/app/
H A Dutils.h68 qreal nyquistFrequency(const QAudioFormat &format);
H A Dutils.cpp68 qreal nyquistFrequency(const QAudioFormat &format) in nyquistFrequency() function
H A Dengine.cpp505 const qreal nyquist = nyquistFrequency(m_format); in initialize()