LowLevelSpectralExtractor

streaming mode | Extractors category

Inputs

  • signal (real) - the input audio signal

Outputs

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

See also

LowLevelSpectralExtractor (standard)

Streaming algorithms

AfterMaxToBeforeMaxEnergyRatio | AllPass | AudioLoader | AudioOnsetsMarker | AudioWriter | AutoCorrelation | BFCC | BPF | BandPass | BandReject | BarkBands | BarkExtractor | BeatTrackerDegara | BeatTrackerMultiFeature | Beatogram | BeatsLoudness | BinaryOperator | BinaryOperatorStream | BpmHistogram | BpmHistogramDescriptors | BpmRubato | CartesianToPolar | CentralMoments | Centroid | ChordsDescriptors | ChordsDetection | ChromaCrossSimilarity | Chromagram | Chromaprinter | ClickDetector | Clipper | ConstantQ | CoverSongSimilarity | Crest | CrossCorrelation | CubicSpline | DCRemoval | DCT | Danceability | Decrease | Derivative | DerivativeSFX | DiscontinuityDetector | Dissonance | DistributionShape | Duration | DynamicComplexity | ERBBands | EasyLoader | EffectiveDuration | Energy | EnergyBand | EnergyBandRatio | Entropy | Envelope | EqloudLoader | EqualLoudness | FFT | FFTC | FadeDetection | FalseStereoDetector | FileOutput | Flatness | FlatnessDB | FlatnessSFX | Flux | FrameCutter | FrameToReal | FrequencyBands | GFCC | GapsDetector | GeometricMean | HFC | HPCP | HarmonicBpm | HarmonicMask | HarmonicModelAnal | HarmonicPeaks | HighPass | HighResolutionFeatures | Histogram | HprModelAnal | HpsModelAnal | HumDetector | IDCT | IFFT | IFFTC | IIR | Inharmonicity | InstantPower | Key | KeyExtractor | LPC | Larm | Leq | LevelExtractor | LogAttackTime | LogSpectrum | LoopBpmConfidence | LoopBpmEstimator | Loudness | LoudnessEBUR128 | LoudnessEBUR128Filter | LoudnessVickers | LowLevelSpectralEqloudExtractor | LowLevelSpectralExtractor | LowPass | MFCC | Magnitude | MaxFilter | MaxMagFreq | MaxToTotal | Mean | Median | MedianFilter | MelBands | MetadataReader | Meter | MinMax | MinToTotal | MonoLoader | MonoMixer | MonoWriter | MovingAverage | MultiPitchMelodia | Multiplexer | NNLSChroma | NSGConstantQ | NSGConstantQStreaming | NSGIConstantQ | NoiseAdder | NoiseBurstDetector | NoveltyCurve | OddToEvenHarmonicEnergyRatio | OnsetDetection | OnsetDetectionGlobal | OnsetRate | Onsets | OverlapAdd | Panning | PeakDetection | PercivalBpmEstimator | PercivalEnhanceHarmonics | PercivalEvaluatePulseTrains | PitchCREPE | PitchContours | PitchContoursMelody | PitchContoursMonoMelody | PitchContoursMultiMelody | PitchFilter | PitchMelodia | PitchSalience | PitchSalienceFunction | PitchSalienceFunctionPeaks | PitchYin | PitchYinFFT | PitchYinProbabilistic | PitchYinProbabilities | PitchYinProbabilitiesHMM | PolarToCartesian | PoolAggregator | PoolToTensor | PowerMean | PowerSpectrum | PredominantPitchMelodia | RMS | RawMoments | RealAccumulator | ReplayGain | Resample | ResampleFFT | RhythmDescriptors | RhythmExtractor | RhythmExtractor2013 | RhythmTransform | RollOff | SBic | SNR | SaturationDetector | Scale | SilenceRate | SineModelAnal | SineModelSynth | SineSubtraction | SingleBeatLoudness | SingleGaussian | Slicer | SpectralCentroidTime | SpectralComplexity | SpectralContrast | SpectralPeaks | SpectralWhitening | Spectrum | SpectrumCQ | SpectrumToCent | Spline | SprModelAnal | SprModelSynth | SpsModelAnal | SpsModelSynth | StartStopCut | StartStopSilence | StereoDemuxer | StereoMuxer | StereoTrimmer | StochasticModelAnal | StochasticModelSynth | StrongDecay | StrongPeak | SuperFluxExtractor | SuperFluxNovelty | SuperFluxPeaks | TCToTotal | TempoCNN | TempoScaleBands | TempoTap | TempoTapDegara | TempoTapMaxAgreement | TempoTapTicks | TensorNormalize | TensorToPool | TensorToVectorReal | TensorTranspose | TensorflowInputFSDSINet | TensorflowInputMusiCNN | TensorflowInputTempoCNN | TensorflowInputVGGish | TensorflowPredict | TensorflowPredict2D | TensorflowPredictCREPE | TensorflowPredictEffnetDiscogs | TensorflowPredictFSDSINet | TensorflowPredictMAEST | TensorflowPredictMusiCNN | TensorflowPredictTempoCNN | TensorflowPredictVGGish | TonalExtractor | TriangularBands | TriangularBarkBands | Trimmer | Tristimulus | TruePeakDetector | TuningFrequency | TuningFrequencyExtractor | UnaryOperator | UnaryOperatorStream | Variance | VectorInput | VectorRealAccumulator | VectorRealToTensor | Vibrato | Viterbi | WarpedAutoCorrelation | Welch | Windowing | ZeroCrossingRate