HpsModelAnal

streaming mode | Synthesis category

Inputs

  • frame (vector_real) - the input frame

  • pitch (real) - external pitch input [Hz].

Outputs

  • frequencies (vector_real) - the frequencies of the sinusoidal peaks [Hz]

  • magnitudes (vector_real) - the magnitudes of the sinusoidal peaks

  • phases (vector_real) - the phases of the sinusoidal peaks

  • stocenv (vector_real) - the stochastic envelope

Parameters

  • fftSize (integer ∈ [1, ∞), default = 2048) :

    the size of the internal FFT size (full spectrum size)

  • freqDevOffset (integer ∈ (0, ∞), default = 20) :

    minimum frequency deviation at 0Hz

  • freqDevSlope (real ∈ (-∞, ∞), default = 0.01) :

    slope increase of minimum frequency deviation

  • harmDevSlope (real ∈ (-∞, ∞), default = 0.01) :

    slope increase of minimum frequency deviation

  • hopSize (integer ∈ [1, ∞), default = 512) :

    the hop size between frames

  • magnitudeThreshold (real ∈ (-∞, ∞), default = 0) :

    peaks below this given threshold are not outputted

  • maxFrequency (real ∈ (0, ∞), default = 5000) :

    the maximum frequency of the range to evaluate [Hz]

  • maxPeaks (integer ∈ [1, ∞), default = 100) :

    the maximum number of returned peaks

  • maxnSines (integer ∈ (0, ∞), default = 100) :

    maximum number of sines per frame

  • minFrequency (real ∈ (0, ∞), default = 20) :

    the minimum frequency of the range to evaluate [Hz]

  • nHarmonics (integer ∈ (0, ∞), default = 100) :

    maximum number of harmonics per frame

  • orderBy (string ∈ {frequency, magnitude}, default = frequency) :

    the ordering type of the outputted peaks (ascending by frequency or descending by magnitude)

  • sampleRate (real ∈ (0, ∞), default = 44100) :

    the sampling rate of the audio signal [Hz]

  • stocf (real ∈ (0, 1], default = 0.2) :

    decimation factor used for the stochastic approximation

Description

This algorithm computes the harmonic plus stochastic model analysis.

It uses the algorithms HarmonicModelAnal and StochasticModelAnal .

References:

https://github.com/MTG/sms-tools http://mtg.upf.edu/technologies/sms

Source code

See also

HarmonicModelAnal (standard) HarmonicModelAnal (streaming) HpsModelAnal (standard) StochasticModelAnal (standard) StochasticModelAnal (streaming)