View source: R/pitch_postprocessing.R
forcePerPath | R Documentation |
Internal soundgen function.
forcePerPath(pitch, pitchCands, pitchCert, pitchCenterGravity, certWeight)
pitch |
numeric vector representing our best guess at pitch contour, which we are now attempting to improve by minimizing its elastic tension |
pitchCands |
a matrix of multiple pitch candidates per fft frame. Each column is one fft frame, each row is one candidate (the last row is always "manual") |
pitchCert |
a matrix of the same dimensionality as pitchCands specifying our certainty in pitch candidates |
pitchCenterGravity |
numeric vector giving the mean of all pitch candidates per fft frame weighted by our certainty in each of these candidates |
certWeight |
(0 to 1) in pitch postprocessing, specifies how much we prioritize the certainty of pitch candidates vs. pitch jumps / the internal tension of the resulting pitch curve |
Internal helper function for postprocessing of pitch contour. Returns the total force acting on a snake (sum of internal and external gradients, i.e. of the elastic force trying to straighten the snake [internal] and of the force pushing the snake towards the most certain pitch estimates [external])
Returns a numeric vector of the same length as pitch
that
gives the total force acting on the snake at each point.
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