nnmnkwii.frontend.merlin.duration_features¶

nnmnkwii.frontend.merlin.duration_features(hts_labels, *args, **kwargs)[source]¶

Duration features from HTS-style full-context labels.

The input full-context must be aligned with phone-level or state-level.

Parameters:	hts_labels (hts.HTSLabelFile) – HTS label file. feature_type (str) – `numerical` or `binary` unit_size (str) – `phoneme` or `state` feature_size (str) – `frame` or `phoneme`
Returns:	numpy array representation of linguistic features.
Return type:	duration_features (ndarray)

Examples

>>> from nnmnkwii.frontend import merlin as fe
>>> from nnmnkwii.io import hts
>>> from nnmnkwii.util import example_label_file
>>> labels = hts.load(example_label_file())
>>> features = fe.duration_features(labels)
>>> features.shape
(40, 5)