Package jazzparser :: Package backoff :: Package ngram :: Module hmmpath

Module hmmpath

Ngram direct semantics models.

Here I use ngram models to assign a tonal-space semantics to an input sequence. This is the model referred to as HmmPath in papers and talks.

Author: Mark Granroth-Wilding <mark.granroth-wilding@ed.ac.uk>

Classes

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HmmPathNgram
An ngram model that takes multiple chords (weighted by probability) as input to its decoding.

HmmPathModel
Model type that uses an ngram model to assign a tonal space path to a sequence.

HmmPathBuilder
Builds a semantics using an ngram model.

Functions

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vector(p0, p1)
Vector from p0 to p1, where the ps are points represented as they are internally in the model: (X,Y,x,y).

source code

Variables

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__package__ = 'jazzparser.backoff.ngram'

Function Details

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vector(p0, p1)

source code

Vector from p0 to p1, where the ps are points represented as they are internally in the model: (X,Y,x,y). (x,y) defines the point in the local (enharmonic) space and is that closest to the previous point when (X,Y) = (0,0). (X,Y) defines a shift of enharmonic space.