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
See also
LowLevelSpectralExtractor (streaming)