def __init__(self, from_file, min_frequency=1):
"""Initialization method.
Args:
from_file (str): An input file to load the audio.
min_frequency (int): Minimum frequency of individual tokens.
"""
logger.info('Overriding class: Corpus -> AudioCorpus.')
# Overrides its parent class with any custom arguments if needed
super(AudioCorpus, self).__init__(min_frequency=min_frequency)
# Loads the audio from file
audio = l.load_audio(from_file)
# Declaring an empty list to hold audio notes
self.tokens = []
# Gathering notes
for step in audio:
# Checking for real note
if not step.is_meta and step.channel == 0 and step.type == 'note_on':
# Gathering note
note = step.bytes()
# Saving to list
self.tokens.append(str(note[1]))
# Cuts the tokens based on a minimum frequency
self._check_token_frequency()
# Builds the vocabulary based on the tokens
self._build()
# Debugging some important information
logger.debug(
'Tokens: %d | Type: audio | Minimum frequency: %d | Vocabulary size: %d.',
len(self.tokens), self.min_frequency, len(self.vocab))
logger.info('AudioCorpus created.')
def __init__(self, from_file):
"""Initialization method.
Args:
from_file (str): An input file to load the audio.
"""
logger.info('Overriding class: Corpus -> AudioCorpus.')
# Overrides its parent class with any custom arguments if needed
super(AudioCorpus, self).__init__()
# Loads the audio from file
audio = l.load_audio(from_file)
# Declaring an empty list to hold audio notes
self.tokens = []
# Gathering notes
for step in audio:
# Checking for real note
if not step.is_meta and step.channel == 0 and step.type == 'note_on':
# Gathering note
note = step.bytes()
# Saving to list
self.tokens.append(note[1])
# Builds the vocabulary based on the tokens
self._build(self.tokens)
# Debugging some important information
logger.debug(
f'Tokens: {len(self.tokens)} | Vocabulary Size: {len(self.vocab)} | Type: audio.'
)
logger.info('AudioCorpus created.')
import nalp.utils.loader as l
# Loads an input .mid file
audio = l.load_audio('data/audio/sample.mid')
# Printing loaded audio
print(audio)