LowLevelSpectralExtractor

standard mode | Extractors category

Inputs

  • signal (vector_real) - the audio input signal

Outputs

  • barkbands (vector_vector_real) - spectral energy at each bark band. See BarkBands alogithm
  • barkbands_kurtosis (vector_real) - kurtosis from bark bands. See DistributionShape algorithm documentation
  • barkbands_skewness (vector_real) - skewness from bark bands. See DistributionShape algorithm documentation
  • barkbands_spread (vector_real) - spread from barkbands. See DistributionShape algorithm documentation
  • hfc (vector_real) - See HFC algorithm documentation
  • mfcc (vector_vector_real) - See MFCC algorithm documentation
  • pitch (vector_real) - See PitchYinFFT algorithm documentation
  • pitch_instantaneous_confidence (vector_real) - See PitchYinFFT algorithm documentation
  • pitch_salience (vector_real) - See PitchSalience algorithm documentation
  • silence_rate_20dB (vector_real) - See SilenceRate algorithm documentation
  • silence_rate_30dB (vector_real) - See SilenceRate algorithm documentation
  • silence_rate_60dB (vector_real) - See SilenceRate algorithm documentation
  • spectral_complexity (vector_real) - See Spectral algorithm documentation
  • spectral_crest (vector_real) - See Crest algorithm documentation
  • spectral_decrease (vector_real) - See Decrease algorithm documentation
  • spectral_energy (vector_real) - See Energy algorithm documentation
  • spectral_energyband_low (vector_real) - Energy in band (20,150] Hz. See EnergyBand algorithm documentation
  • spectral_energyband_middle_low (vector_real) - Energy in band (150,800] Hz.See EnergyBand algorithm documentation
  • spectral_energyband_middle_high (vector_real) - Energy in band (800,4000] Hz. See EnergyBand algorithm documentation
  • spectral_energyband_high (vector_real) - Energy in band (4000,20000] Hz. See EnergyBand algorithm documentation
  • spectral_flatness_db (vector_real) - See flatnessDB algorithm documentation
  • spectral_flux (vector_real) - See Flux algorithm documentation
  • spectral_rms (vector_real) - See RMS algorithm documentation
  • spectral_rolloff (vector_real) - See RollOff algorithm documentation
  • spectral_strongpeak (vector_real) - See StrongPeak algorithm documentation
  • zerocrossingrate (vector_real) - See ZeroCrossingRate algorithm documentation
  • inharmonicity (vector_real) - See Inharmonicity algorithm documentation
  • tristimulus (vector_vector_real) - See Tristimulus algorithm documentation
  • oddtoevenharmonicenergyratio (vector_real) - See OddToEvenHarmonicEnergyRatio algorithm documentation

Parameters

  • frameSize (integer ∈ (0, ∞), default = 2048) :
    the frame size for computing low level features
  • hopSize (integer ∈ (0, ∞), default = 1024) :
    the hop size for computing low level features
  • sampleRate (real ∈ (0, ∞), default = 44100) :
    the audio sampling rate

Description

This algorithm extracts all low-level spectral features, which do not require an equal-loudness filter for their computation, from an audio signal

Standard algorithms

AfterMaxToBeforeMaxEnergyRatio | AllPass | AudioLoader | AudioOnsetsMarker | AudioWriter | AutoCorrelation | BFCC | BPF | BandPass | BandReject | BarkBands | BeatTrackerDegara | BeatTrackerMultiFeature | Beatogram | BeatsLoudness | BinaryOperator | BinaryOperatorStream | BpmHistogram | BpmHistogramDescriptors | BpmRubato | CartesianToPolar | CentralMoments | Centroid | ChordsDescriptors | ChordsDetection | ChordsDetectionBeats | Chromagram | Chromaprinter | Clipper | ConstantQ | Crest | CrossCorrelation | CubicSpline | DCRemoval | DCT | Danceability | Decrease | Derivative | DerivativeSFX | Dissonance | DistributionShape | Duration | DynamicComplexity | ERBBands | EasyLoader | EffectiveDuration | Energy | EnergyBand | EnergyBandRatio | Entropy | Envelope | EqloudLoader | EqualLoudness | Extractor | FFT | FFTC | FadeDetection | Flatness | FlatnessDB | FlatnessSFX | Flux | FrameCutter | FrameGenerator | FrameToReal | FreesoundExtractor | FrequencyBands | GFCC | GeometricMean | HFC | HPCP | HarmonicBpm | HarmonicMask | HarmonicModelAnal | HarmonicPeaks | HighPass | HighResolutionFeatures | HprModelAnal | HpsModelAnal | IDCT | IFFT | IFFTC | IIR | Inharmonicity | InstantPower | Intensity | Key | KeyExtractor | LPC | Larm | Leq | LevelExtractor | LogAttackTime | LoopBpmConfidence | LoopBpmEstimator | Loudness | LoudnessEBUR128 | LoudnessVickers | LowLevelSpectralEqloudExtractor | LowLevelSpectralExtractor | LowPass | MFCC | Magnitude | MaxFilter | MaxMagFreq | MaxToTotal | Mean | Median | MelBands | MetadataReader | Meter | MinToTotal | MonoLoader | MonoMixer | MonoWriter | MovingAverage | MultiPitchKlapuri | MultiPitchMelodia | Multiplexer | MusicExtractor | NSGConstantQ | NSGIConstantQ | NoiseAdder | NoveltyCurve | NoveltyCurveFixedBpmEstimator | OddToEvenHarmonicEnergyRatio | OnsetDetection | OnsetDetectionGlobal | OnsetRate | Onsets | OverlapAdd | PCA | Panning | PeakDetection | PercivalBpmEstimator | PercivalEnhanceHarmonics | PercivalEvaluatePulseTrains | PitchContourSegmentation | PitchContours | PitchContoursMelody | PitchContoursMonoMelody | PitchContoursMultiMelody | PitchFilter | PitchMelodia | PitchSalience | PitchSalienceFunction | PitchSalienceFunctionPeaks | PitchYin | PitchYinFFT | PolarToCartesian | PoolAggregator | PowerMean | PowerSpectrum | PredominantPitchMelodia | RMS | RawMoments | ReplayGain | Resample | ResampleFFT | RhythmDescriptors | RhythmExtractor | RhythmExtractor2013 | RhythmTransform | RollOff | SBic | Scale | SilenceRate | SineModelAnal | SineModelSynth | SineSubtraction | SingleBeatLoudness | SingleGaussian | Slicer | SpectralCentroidTime | SpectralComplexity | SpectralContrast | SpectralPeaks | SpectralWhitening | Spectrum | SpectrumCQ | SpectrumToCent | Spline | SprModelAnal | SprModelSynth | SpsModelAnal | SpsModelSynth | StartStopSilence | StereoDemuxer | StereoMuxer | StereoTrimmer | StochasticModelAnal | StochasticModelSynth | StrongDecay | StrongPeak | SuperFluxExtractor | SuperFluxNovelty | SuperFluxPeaks | TCToTotal | TempoScaleBands | TempoTap | TempoTapDegara | TempoTapMaxAgreement | TempoTapTicks | TonalExtractor | TonicIndianArtMusic | TriangularBands | TriangularBarkBands | Trimmer | Tristimulus | TuningFrequency | TuningFrequencyExtractor | UnaryOperator | UnaryOperatorStream | Variance | Vibrato | WarpedAutoCorrelation | Windowing | YamlInput | YamlOutput | ZeroCrossingRate