athena.transform.audio_featurizer

The model provides a general interface for feature extraction.

Module Contents

Classes

AudioFeaturizer

Interface of audio Features extractions.

class athena.transform.audio_featurizer.AudioFeaturizer(config={'type': 'Fbank'})

Interface of audio Features extractions.

dim

return the dimension of the feature if only ReadWav, return 1

num_channels

return the channel of the feature

__call__(self, audio=None, sr=None, speed=1.0)

extract feature from audo data :param audio data or audio file :sr sample rate :return feature

__impl(self, audio=None, sr=None, speed=1.0)

:param audio data or audio file, a tensor :sr sample rate, a tensor :return feature