HprModelAnal¶

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

• res (vector_real) - output residual frame

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 residual model analysis.

It uses the algorithms HarmonicModelAnal and SineSubtraction .

References:

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

Source code¶

• C++ source code

• C++ header file

See also¶

HarmonicModelAnal (standard) HarmonicModelAnal (streaming) HprModelAnal (standard) SineSubtraction (standard) SineSubtraction (streaming)