Harmonic Peak Detection
type: Class
subclass of: Aggregation

Band-pass Filter Bank
type: Class
subclass of: Transformation

Percentile
type: Class
subclass of: Aggregation

Spectral Flux
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: FrequencyDomainPhysicalFeature
comment: Spectral Flux feature
term status: testing
dimensions: 1
label: SpectralFlux
type: AudioFeature
abbreviation: SF
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Discrete Fourier Transform
computation: Derivation, Difference
computation: Root Mean Square

HarmonicCoefficient
computational complexity: LowComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Harmonic Coefficient feature
term status: testing
dimensions: 1
label: Harmonic Coefficient
type: AudioFeature
application domain: AudioSegmentation
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Autocorrelation
computation: Sum, Weighted Sum

JointAcousticandModuluationFrequency
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: ModulationfrequencyFeature
comment: Joint Acoustic and Moduluation Frequency feature
term status: testing
dimensions: ParametrizedDimensions
label: Joint Acoustic and Moduluation Frequency
type: AudioFeature
application domain: Several
temporal scale: InterFrame
psychoacoustic model: true
computation: Regression
computation: Discrete Fourier Transform
computation: Discrete Wavelet Transform
computation: Low-pass Filter
computation: Root Mean Square
computation: Windowing

Polynomial Root Finding
type: Class
subclass of: Aggregation

BeatSpectrum
computational complexity: HighComplexity
semantic interpretation: PerceptualFeature
subclass of: ModulationfrequencyFeature
comment: Beat Spectrum feature
term status: testing
dimensions: ParametrizedDimensions
label: Beat Spectrum
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: InterFrame
psychoacoustic model: false
computation: Discrete Fourier Transform
computation: Logarithm
computation: Low-pass Filter
computation: Windowing
computation: Autocorrelation
computation: Cross-Correlation

RhythmPatterns
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: ModulationfrequencyFeature
comment: Rhythm Patterns feature
term status: testing
dimensions: 80
label: Rhythm Patterns
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: InterFrame
psychoacoustic model: true
computation: Regression
computation: Discrete Fourier Transform
computation: Weighting Function
computation: Low-pass Filter
computation: Harmonic Peak Detection
computation: Logarithm
computation: Windowing

Spectral Peak Structure
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Spectral Peak Structure feature
term status: testing
dimensions: 1
label: SpectralPeakStructure
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Discrete Fourier Transform
computation: Spectral binning
computation: Level Crossing Detector
computation: Derivation, Difference
computation: Entropy
computation: Windowing

Logarithm
type: Class
subclass of: Filter

Windowing
type: Class
subclass of: Filter

Maximum
type: Class
subclass of: Aggregation

MPEG7HarmonicSpectralDeviation
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: MPEG-7 Harmonic Spectral Deviation feature
term status: testing
dimensions: 1
computed in: MPEG-7
label: MPEG-7 Harmonic Spectral Deviation
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Discrete Fourier Transform
computation: Level Crossing Detector
computation: Mean
computation: Logarithm
computation: Windowing
computation: Median

Deviation, Sum of Differences
type: Class
subclass of: Aggregation

MPEG-7 Temporal Centroid
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: TemporalFeature
comment: MPEG-7 Temporal Centroid feature
term status: testing
dimensions: 1
computed in: MPEG-7
label: MPEG7TemporalCentroid
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: InterFrame
psychoacoustic model: false
computation: Windowing
computation: Power
computation: Mean

Principal Component Analysis
type: Class
subclass of: Transformation

HarmonicEnergyEntropy
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Harmonic Energy Entropy feature
term status: testing
dimensions: 1
label: Harmonic Energy Entropy
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Level Crossing Detector
computation: Discrete Fourier Transform
computation: Entropy

Modified Group Delay
computational complexity: MediumComplexity
semantic interpretation: PhysicalFeature
subclass of: FrequencyDomainPhysicalFeature
comment: Modified Group Delay feature
term status: testing
dimensions: ParametrizedDimensions
label: ModifiedGroupDelay
type: AudioFeature
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Group Delay Function
computation: Discrete Fourier Transform
computation: Discrete Cosine Transform
computation: Low-pass Filter

ZeroCrossingPeakAmplitudes
computational complexity: MediumComplexity
semantic interpretation: PhysicalFeature
subclass of: TemporalFeature
comment: Zero Crossing Peak Amplitudes feature
term status: testing
dimensions: ParametrizedDimensions
label: Zero Crossing Peak Amplitudes
type: AudioFeature
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: true
computation: Windowing
computation: Logarithm
computation: Root Mean Square
computation: Band-pass Filter
computation: Spectral binning

MPEG7LogAttackTime
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: TemporalFeature
comment: MPEG-7 Log Attack Time feature
term status: testing
dimensions: 1
computed in: MPEG-7
label: MPEG-7 Log Attack Time
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: Global
psychoacoustic model: false
computation: Windowing
computation: Power
computation: Logarithm
computation: Root Mean Square

Perceptual Linear Prediction
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: CepstralFeature
comment: Perceptual Linear Prediction feature
term status: testing
dimensions: ParametrizedDimensions
label: PerceptualLinearPrediction
type: AudioFeature
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: true
computation: Regression
computation: Discrete Fourier Transform
computation: Cepstral Recursion Formula
computation: Weighting Function
computation: Autoregression (LPA)
computation: Windowing
computation: Discrete Cosine Transform

MPEG7HarmonicSpectralVariation
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: MPEG-7 Harmonic Spectral Variation feature
term status: testing
dimensions: 1
computed in: MPEG-7
label: MPEG-7 Harmonic Spectral Variation
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Level Crossing Detector
computation: Discrete Fourier Transform
computation: Cross-Correlation

Discrete Cosine Transform
type: Class
subclass of: Transformation

MPEG7AudioWaveform
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: TemporalFeature
comment: MPEG-7 Audio Waveform feature
term status: testing
dimensions: 2
computed in: MPEG-7
label: MPEG-7 Audio Waveform
type: AudioFeature
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Sum, Weighted Sum
computation: Histogram

MPEG-7 Audio Fundamental Frequency
computational complexity: LowComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: MPEG-7 Audio Fundamental Frequency feature
term status: testing
dimensions: 2
computed in: MPEG-7
label: MPEG7AudioFundamentalFrequency
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Autocorrelation
computation: Sum, Weighted Sum

MPEG-7 Audio Spectrum Centroid
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: MPEG-7 Audio Spectrum Centroid feature
term status: testing
dimensions: 1
computed in: MPEG-7
label: MPEG7AudioSpectrumCentroid
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: true
computation: Windowing
computation: Regression
computation: Discrete Fourier Transform
computation: Mean
computation: Logarithm

Bandwidth
computational complexity: LowComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Bandwidth feature
term status: testing
dimensions: 1
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Regression
computation: Discrete Fourier Transform
computation: Median
computation: Logarithm

Weighting Function
type: Class
subclass of: Filter

Spectral Dispersion
computational complexity: LowComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Spectral Dispersion feature
term status: testing
dimensions: 1
label: SpectralDispersion
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Energy Spectral Density
computation: Discrete Fourier Transform
computation: Harmonic Peak Detection
computation: Median

Sum, Weighted Sum
type: Class
subclass of: Aggregation

Audio Features Base Ontology
version info: Version 0.1
type: Ontology
description: This is a base ontology for the Audio Features engineering process collected from literature

MPEG7AudioSpectrumSpread
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: MPEG-7 Audio Spectrum Spread feature
term status: testing
dimensions: 1
computed in: MPEG-7
label: MPEG-7 Audio Spectrum Spread
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: true
computation: Windowing
computation: Regression
computation: Discrete Fourier Transform
computation: Median
computation: Logarithm

PulseMetric
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: ModulationfrequencyFeature
comment: Pulse Metric feature
term status: testing
dimensions: 1
label: Pulse Metric
type: AudioFeature
application domain: AudioSegmentation
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Autocorrelation
computation: Band-pass Filter
computation: Root Mean Square

Low-pass Filter
type: Class
subclass of: Filter

Adaptive Time-Frequency Transform
computational complexity: MediumComplexity
semantic interpretation: PhysicalFeature
subclass of: FrequencyDomainPhysicalFeature
comment: Adaptive Time-Frequency Transform feature
term status: testing
dimensions: 42
label: AdaptiveTimeFrequencyTransform
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: Global
psychoacoustic model: false
computation: Adaptive Time Frequency Transform Comp
computation: Spectral binning

Discrete Wavelet Transform
type: Class
subclass of: Transformation

Histogram
type: Class
subclass of: Aggregation

AmplitudeDescriptor
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: TemporalFeature
comment: Amplitude Descriptor feature
term status: testing
dimensions: 9
label: Amplitude Descriptor
type: AudioFeature
application domain: EnvironmentalSoundRecognition
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Mean
computation: Spectral binning
computation: Median

Phase Space Embedding
type: Class
subclass of: Transformation

Autocorrelation MFCCs
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: CepstralFeature
comment: Autocorrelation MFCCs feature
term status: testing
dimensions: ParametrizedDimensions
label: AutocorrelationMFCCs
type: AudioFeature
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: true
computation: Regression
computation: Discrete Fourier Transform
computation: Low-pass Filter
computation: Logarithm
computation: Windowing
computation: Autocorrelation
computation: Discrete Cosine Transform

LinearPredictionZCR
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: TemporalFeature
comment: Linear Prediction ZCR feature
term status: testing
dimensions: 1
label: Linear Prediction ZCR
type: AudioFeature
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Autoregression (LPA)
computation: Spectral binning

BeatHistogram
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: ModulationfrequencyFeature
comment: Beat Histogram feature
term status: testing
dimensions: 6
label: Beat Histogram
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: InterFrame
psychoacoustic model: false
computation: Discrete Wavelet Transform
computation: Spectral binning
computation: Low-pass Filter
computation: Root Mean Square
computation: Windowing
computation: Autocorrelation

Root Mean Square
type: Class
subclass of: Aggregation

Median
type: Class
subclass of: Aggregation

SubbandSpectralFlux
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Subband Spectral Flux feature
term status: testing
dimensions: 8
label: Subband Spectral Flux
type: AudioFeature
application domain: EnvironmentalSoundRecognition
temporal scale: IntraFrame
psychoacoustic model: false
computation: Regression
computation: Discrete Fourier Transform
computation: Derivation, Difference
computation: Normalization
computation: Mean
computation: Logarithm
computation: Windowing

Regression
type: Class
subclass of: Aggregation

Spectral Slope
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: FrequencyDomainPhysicalFeature
comment: Spectral Slope feature
term status: testing
dimensions: 4
label: SpectralSlope
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Peak Detection
computation: Discrete Fourier Transform

Modulated Complex Lapped Transform
type: Class
subclass of: Transformation

Spectral binning
type: Class
subclass of: Aggregation

Derivation, Difference
type: Class
subclass of: Filter

Minimum
type: Class
subclass of: Aggregation

SpectralCrest
computational complexity: LowComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Spectral Crest feature
term status: testing
dimensions: ParametrizedDimensions
label: Spectral Crest
type: AudioFeature
application domain: Fingerprinting
temporal scale: IntraFrame
psychoacoustic model: false
computation: Regression
computation: Discrete Fourier Transform
computation: Sum, Weighted Sum
computation: Mean
computation: Logarithm
computation: Windowing

Phase Space Features
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: PhasespaceFeature
comment: Phase Space Features feature
term status: testing
dimensions: ParametrizedDimensions
label: PhaseSpaceFeatures
type: AudioFeature
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Phase Space Embedding

Pitch
computational complexity: LowComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Pitch feature
term status: testing
dimensions: 1
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Autocorrelation
computation: Sum, Weighted Sum

Power
type: Class
subclass of: Aggregation

Short-Time Energy
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: TemporalFeature
comment: Short-Time Energy feature
term status: testing
dimensions: 1
label: ShortTimeEnergy
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Deviation, Sum of Differences

Harmonic Concentration
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Harmonic Concentration feature
term status: testing
dimensions: 1
label: HarmonicConcentration
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Energy Spectral Density
computation: Level Crossing Detector
computation: Discrete Fourier Transform
computation: Root Mean Square

DWPTbasedRhythmFeature
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: ModulationfrequencyFeature
comment: DWPT-based Rhythm Feature feature
term status: testing
dimensions: ParametrizedDimensions
label: DWPT-based Rhythm Feature
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: InterFrame
psychoacoustic model: false
computation: Windowing
computation: Autocorrelation
computation: Spectral binning
computation: Discrete Wavelet Transform
computation: Root Mean Square

LinearPredictionCepstralCoefficients
computational complexity: MediumComplexity
semantic interpretation: PhysicalFeature
subclass of: CepstralFeature
comment: Linear Prediction Cepstral Coefficients feature
term status: testing
dimensions: ParametrizedDimensions
label: Linear Prediction Cepstral Coefficients
type: AudioFeature
abbreviation: LPCC
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Autoregression (LPA)
computation: Band-pass Filter
computation: Cepstral Recursion Formula

Beat Tracker
computational complexity: HighComplexity
semantic interpretation: PerceptualFeature
subclass of: ModulationfrequencyFeature
comment: Beat Tracker feature
term status: testing
dimensions: 1
label: BeatTracker
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: InterFrame
psychoacoustic model: false
computation: Band-pass Filter
computation: Low-pass Filter
computation: Derivation, Difference
computation: Root Mean Square
computation: Windowing
computation: Comb Filter

SpectralCentroid
computational complexity: LowComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Spectral Centroid feature
term status: testing
dimensions: 1
label: Spectral Centroid
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Regression
computation: Discrete Fourier Transform
computation: Mean
computation: Logarithm

Autoregression (LPA)
type: Class
subclass of: Filter

Group Delay Function
type: Class
subclass of: Filter

psychoacoustic model
range: Boolean
type: Property
term status: testing

Pitch Synchronous ZCPA
computational complexity: MediumComplexity
semantic interpretation: PhysicalFeature
subclass of: TemporalFeature
comment: Pitch Synchronous ZCPA feature
term status: testing
dimensions: ParametrizedDimensions
label: PitchSynchronousZCPA
type: AudioFeature
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: true
computation: Band-pass Filter
computation: Spectral binning
computation: Sum, Weighted Sum
computation: Root Mean Square
computation: Windowing
computation: Logarithm
computation: Autocorrelation

4HzModulationEnergy
computational complexity: MediumComplexity
semantic interpretation: PhysicalFeature
subclass of: ModulationfrequencyFeature
comment: 4 Hz Modulation Energy feature
term status: testing
dimensions: 1
label: 4 Hz Modulation Energy
type: AudioFeature
application domain: AudioSegmentation
temporal scale: InterFrame
psychoacoustic model: true
computation: Regression
computation: Discrete Fourier Transform
computation: Band-pass Filter
computation: Energy Spectral Density
computation: Normalization
computation: Root Mean Square
computation: Windowing

Singular Value Decomposition
type: Class
subclass of: Transformation

Integral Loudness
computational complexity: HighComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Integral Loudness feature
term status: testing
dimensions: 1
label: IntegralLoudness
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: true
computation: Weighting Function
computation: Discrete Fourier Transform
computation: Logarithm
computation: Exponential Function
computation: Root Mean Square
computation: Windowing

HarmonicProminence
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Harmonic Prominence feature
term status: testing
dimensions: 1
label: Harmonic Prominence
type: AudioFeature
application domain: EnvironmentalSoundRecognition
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Autocorrelation
computation: Level Crossing Detector

Autocorrelation
type: Class
subclass of: Transformation

Sone
computational complexity: HighComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Sone feature
term status: testing
dimensions: ParametrizedDimensions
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: true
computation: Regression
computation: Discrete Fourier Transform
computation: Weighting Function
computation: Low-pass Filter
computation: Logarithm
computation: Windowing

LinearPredictiveCoding
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: FrequencyDomainPhysicalFeature
comment: Linear Predictive Coding feature
term status: testing
dimensions: ParametrizedDimensions
label: Linear Predictive Coding
type: AudioFeature
abbreviation: LPC
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Discrete Fourier Transform
computation: Autoregression (LPA)
computation: Band-pass Filter

Energy Spectral Density
type: Class
subclass of: Filter

Chroma CENS Features
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Chroma CENS Features feature
term status: testing
dimensions: 12
label: ChromaCENSFeatures
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Band-pass Filter Bank
computation: Normalization
computation: Low-pass Filter
computation: Root Mean Square

Mean
type: Class
subclass of: Aggregation

MPEG-7 Spectral Centroid
computational complexity: LowComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPhysicalFeature
comment: MPEG-7 Spectral Centroid feature
term status: testing
dimensions: 1
computed in: MPEG-7
label: MPEG7SpectralCentroid
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: Global
psychoacoustic model: false
computation: Mean
computation: Discrete Fourier Transform

Subband Energy Ratio
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: FrequencyDomainPhysicalFeature
comment: Subband Energy Ratio feature
term status: testing
dimensions: ParametrizedDimensions
label: SubbandEnergyRatio
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Regression
computation: Energy Spectral Density
computation: Discrete Fourier Transform
computation: Normalization

RatescalefrequencyFeatures
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: EigendomainFeature
comment: Rate-scale-frequency Features feature
term status: testing
dimensions: 256
label: Rate-scale-frequency Features
type: AudioFeature
application domain: EnvironmentalSoundRecognition
temporal scale: InterFrame
psychoacoustic model: true
computation: Weighting Function
computation: Discrete Wavelet Transform
computation: Band-pass Filter Bank
computation: Root Mean Square
computation: Derivation, Difference
computation: Principal Component Analysis
computation: Low-pass Filter
computation: Windowing

SpectralPeaks
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: FrequencyDomainPhysicalFeature
comment: Spectral Peaks feature
term status: testing
dimensions: ParametrizedDimensions
label: Spectral Peaks
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: InterFrame
psychoacoustic model: false
computation: Windowing
computation: Discrete Fourier Transform
computation: Sum, Weighted Sum
computation: Derivation, Difference

Normalization
type: Class
subclass of: Filter

Peak Detection
type: Class
subclass of: Aggregation

Harmonic Derivate
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Harmonic Derivate feature
term status: testing
dimensions: ParametrizedDimensions
label: HarmonicDerivate
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Discrete Fourier Transform
computation: Derivation, Difference
computation: Logarithm

computational complexity
range: ComputationalComplexity
type: Property
term status: testing

Multi-resolution Entropy
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Multi-resolution Entropy feature
term status: testing
dimensions: ParametrizedDimensions
label: MultiresolutionEntropy
type: AudioFeature
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Regression
computation: Discrete Fourier Transform
computation: Entropy
computation: Normalization

Cepstral Recursion Formula
type: Class
subclass of: Filter

Chromagram
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Chromagram feature
term status: testing
dimensions: 12
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Discrete Fourier Transform
computation: Root Mean Square
computation: Logarithm

Relative Spectral PLP
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: CepstralFeature
comment: Relative Spectral PLP feature
term status: testing
dimensions: ParametrizedDimensions
label: RelativeSpectralPLP
type: AudioFeature
application domain: SpeechRecognition
temporal scale: IntraFrame
psychoacoustic model: true
computation: Regression
computation: Discrete Fourier Transform
computation: Cepstral Recursion Formula
computation: Band-pass Filter
computation: Weighting Function
computation: Exponential Function
computation: Autoregression (LPA)
computation: Logarithm
computation: Windowing
computation: Discrete Cosine Transform

Exponential Function
type: Class
subclass of: Filter

Spectral Flatness
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Spectral Flatness feature
term status: testing
dimensions: ParametrizedDimensions
label: SpectralFlatness
type: AudioFeature
application domain: Fingerprinting
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Regression
computation: Discrete Fourier Transform
computation: Logarithm
computation: Mean

PitchHistogram
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Pitch Histogram feature
term status: testing
dimensions: ParametrizedDimensions
label: Pitch Histogram
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: InterFrame
psychoacoustic model: false
computation: Windowing
computation: Autocorrelation
computation: Spectral binning
computation: Root Mean Square

application domain
range: ApplicationDomain
type: Property
term status: testing
comment: application domain property

Adaptive Time Frequency Transform Comp
type: Class
subclass of: Transformation

Entropy
type: Class
subclass of: Aggregation

Independent Component Analysis
type: Class
subclass of: Transformation

MPEG7HarmonicSpectralCentroid
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: MPEG-7 Harmonic Spectral Centroid feature
term status: testing
dimensions: 1
computed in: MPEG-7
label: MPEG-7 Harmonic Spectral Centroid
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Mean
computation: Level Crossing Detector
computation: Discrete Fourier Transform

DaubechiesWaveletCoefficientHistogram
computational complexity: MediumComplexity
semantic interpretation: PhysicalFeature
subclass of: FrequencyDomainPhysicalFeature
comment: Daubechies Wavelet Coefficient Histogram feature
term status: testing
dimensions: 28
label: Daubechies Wavelet Coefficient Histogram
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Discrete Wavelet Transform
computation: Spectral binning

Cross-Correlation
type: Class
subclass of: Transformation

Volume
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: TemporalFeature
comment: Volume feature
term status: testing
dimensions: 1
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Power

Discrete Fourier Transform
type: Class
subclass of: Transformation

Band-pass Filter
type: Class
subclass of: Filter

MPEG-7 Audio Spectrum Basis
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: EigendomainFeature
comment: MPEG-7 Audio Spectrum Basis feature
term status: testing
dimensions: ParametrizedDimensions
computed in: MPEG-7
label: MPEG7AudioSpectrumBasis
type: AudioFeature
application domain: EnvironmentalSoundRecognition
temporal scale: InterFrame
psychoacoustic model: false
computation: Regression
computation: Discrete Fourier Transform
computation: Singular Value Decomposition
computation: Normalization
computation: Independent Component Analysis
computation: Logarithm
computation: Windowing

Sharpness
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Sharpness feature
term status: testing
dimensions: 1
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: true
computation: Windowing
computation: Regression
computation: Discrete Fourier Transform
computation: Mean
computation: Weighting Function

Level Crossing Detector
type: Class
subclass of: Aggregation

Inharmonicity
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Inharmonicity feature
term status: testing
dimensions: 1
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Median
computation: Autocorrelation
computation: Level Crossing Detector

Band Periodicity
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: ModulationfrequencyFeature
comment: Band Periodicity feature
term status: testing
dimensions: 4
label: BandPeriodicity
type: AudioFeature
application domain: AudioSegmentation
temporal scale: InterFrame
psychoacoustic model: false
computation: Windowing
computation: Autocorrelation
computation: Sum, Weighted Sum
computation: Band-pass Filter
computation: Root Mean Square

AuditoryFilterBankTemporalEnvelopes
computational complexity: MediumComplexity
semantic interpretation: PhysicalFeature
subclass of: ModulationfrequencyFeature
comment: Auditory Filter Bank Temporal Envelopes feature
term status: testing
dimensions: 62
label: Auditory Filter Bank Temporal Envelopes
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: true
computation: Windowing
computation: Energy Spectral Density
computation: Band-pass Filter
computation: Root Mean Square

4HzModulationHarmonicCoefficients
computational complexity: MediumComplexity
semantic interpretation: PhysicalFeature
subclass of: ModulationfrequencyFeature
comment: 4 Hz Modulation Harmonic Coefficients feature
term status: testing
dimensions: 1
label: 4 Hz Modulation Harmonic Coefficients
type: AudioFeature
application domain: AudioSegmentation
temporal scale: InterFrame
psychoacoustic model: false
computation: Windowing
computation: Autocorrelation
computation: Sum, Weighted Sum
computation: Band-pass Filter
computation: Discrete Cosine Transform

PsychoacousticalPitch
computational complexity: HighComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Psychoacoustical Pitch feature
term status: testing
dimensions: ParametrizedDimensions
label: Psychoacoustical Pitch
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: true
computation: Weighting Function
computation: Autocorrelation
computation: Band-pass Filter
computation: Root Mean Square

MPEG7AudioHarmonicity
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: MPEG-7 Audio Harmonicity feature
term status: testing
dimensions: 2
computed in: MPEG-7
label: MPEG-7 Audio Harmonicity
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Autocorrelation
computation: Sum, Weighted Sum

NoiseRobustAuditoryFeature
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: CepstralFeature
comment: Noise-Robust Auditory Feature feature
term status: testing
dimensions: 256
label: Noise-Robust Auditory Feature
type: AudioFeature
application domain: EnvironmentalSoundRecognition
temporal scale: IntraFrame
psychoacoustic model: true
computation: Weighting Function
computation: Band-pass Filter Bank
computation: Low-pass Filter
computation: Derivation, Difference
computation: Logarithm
computation: Windowing
computation: Discrete Cosine Transform

SpectralCenter
computational complexity: LowComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Spectral Center feature
term status: testing
dimensions: 1
label: Spectral Center
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Energy Spectral Density
computation: Discrete Fourier Transform
computation: Harmonic Peak Detection

SpectralRolloff
computational complexity: LowComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Spectral Rolloff feature
term status: testing
dimensions: 1
label: Spectral Rolloff
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Polynomial Root Finding
computation: Discrete Fourier Transform

MelscaleFrequencyCepstralCoefficients
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: CepstralFeature
comment: Mel-scale Frequency Cepstral Coefficients feature
term status: testing
dimensions: ParametrizedDimensions
label: Mel-scale Frequency Cepstral Coefficients
type: AudioFeature
abbreviation: MFCC
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: true
computation: Windowing
computation: Regression
computation: Discrete Fourier Transform
computation: Discrete Cosine Transform
computation: Logarithm

semantic interpretation
type: Property
term status: testing

Constant Q Transform
type: Class
subclass of: Transformation

Pitch Profile
computational complexity: HighComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: Pitch Profile feature
term status: testing
dimensions: 12
label: PitchProfile
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Spectral binning
computation: Sum, Weighted Sum
computation: Constant Q Transform
computation: Root Mean Square

BarkscaleFrequencyCepstralCoefficients
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: CepstralFeature
comment: Bark-scale Frequency Cepstral Coefficients feature
term status: testing
dimensions: ParametrizedDimensions
label: Bark-scale Frequency Cepstral Coefficients
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: true
computation: Windowing
computation: Regression
computation: Discrete Fourier Transform
computation: Discrete Cosine Transform
computation: Logarithm

MPEG-7 Harmonic Spectral Spread
computational complexity: MediumComplexity
semantic interpretation: PerceptualFeature
subclass of: FrequencyDomainPerceptualFeature
comment: MPEG-7 Harmonic Spectral Spread feature
term status: testing
dimensions: 1
computed in: MPEG-7
label: MPEG7HarmonicSpectralSpread
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Median
computation: Level Crossing Detector
computation: Discrete Fourier Transform

Distortion Discriminant Analysis
computational complexity: HighComplexity
semantic interpretation: PhysicalFeature
subclass of: EigendomainFeature
comment: Distortion Discriminant Analysis feature
term status: testing
dimensions: 64
label: DistortionDiscriminantAnalysis
type: AudioFeature
application domain: Fingerprinting
temporal scale: InterFrame
psychoacoustic model: false
computation: Windowing
computation: Principal Component Analysis
computation: Modulated Complex Lapped Transform
computation: Logarithm

CyclicBeatSpectrum
computational complexity: HighComplexity
semantic interpretation: PerceptualFeature
subclass of: ModulationfrequencyFeature
comment: Cyclic Beat Spectrum feature
term status: testing
dimensions: ParametrizedDimensions
label: Cyclic Beat Spectrum
type: AudioFeature
application domain: MusicInformationRetrieval
temporal scale: InterFrame
psychoacoustic model: false
computation: Discrete Fourier Transform
computation: Low-pass Filter
computation: Derivation, Difference
computation: Root Mean Square
computation: Windowing
computation: Comb Filter

Line Spectral Frequencies
computational complexity: MediumComplexity
semantic interpretation: PhysicalFeature
subclass of: FrequencyDomainPhysicalFeature
comment: Line Spectral Frequencies feature
term status: testing
dimensions: ParametrizedDimensions
label: LineSpectralFrequencies
type: AudioFeature
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Autoregression (LPA)
computation: Percentile

ZeroCrossingRate
computational complexity: LowComplexity
semantic interpretation: PhysicalFeature
subclass of: TemporalFeature
comment: Zero Crossing Rate feature
term status: testing
dimensions: 1
label: Zero Crossing Rate
type: AudioFeature
abbreviation: ZCR
application domain: Several
temporal scale: IntraFrame
psychoacoustic model: false
computation: Windowing
computation: Spectral binning

Comb Filter
type: Class
subclass of: Filter