232 lines
9.4 KiB
Python
232 lines
9.4 KiB
Python
import os
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import os
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import random
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import sys
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import torch
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import torch.nn.functional as F
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import torch.utils.data
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import torchaudio
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from tqdm import tqdm
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from data.audio.unsupervised_audio_dataset import load_audio, load_similar_clips
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from models.tacotron2.taco_utils import load_filepaths_and_text
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from models.tacotron2.text import text_to_sequence, sequence_to_text
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from utils.util import opt_get
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def load_tsv(filename):
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with open(filename, encoding='utf-8') as f:
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components = [line.strip().split('\t') for line in f]
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base = os.path.dirname(filename)
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filepaths_and_text = [[os.path.join(base, f'{component[1]}'), component[0]] for component in components]
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return filepaths_and_text
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def load_mozilla_cv(filename):
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with open(filename, encoding='utf-8') as f:
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components = [line.strip().split('\t') for line in f][1:] # First line is the header
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base = os.path.dirname(filename)
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filepaths_and_text = [[os.path.join(base, f'clips/{component[1]}'), component[2]] for component in components]
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return filepaths_and_text
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def load_voxpopuli(filename):
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with open(filename, encoding='utf-8') as f:
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lines = [line.strip().split('\t') for line in f][1:] # First line is the header
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base = os.path.dirname(filename)
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filepaths_and_text = []
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for line in lines:
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if len(line) == 0:
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continue
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file, raw_text, norm_text, speaker_id, split, gender = line
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year = file[:4]
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filepaths_and_text.append([os.path.join(base, year, f'{file}.ogg.wav'), raw_text])
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return filepaths_and_text
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class CharacterTokenizer:
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def encode(self, txt):
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return text_to_sequence(txt, ['english_cleaners'])
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def decode(self, seq):
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return sequence_to_text(seq)
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class TextWavLoader(torch.utils.data.Dataset):
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def __init__(self, hparams):
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self.path = hparams['path']
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if not isinstance(self.path, list):
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self.path = [self.path]
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fetcher_mode = opt_get(hparams, ['fetcher_mode'], 'lj')
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if not isinstance(fetcher_mode, list):
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fetcher_mode = [fetcher_mode]
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assert len(self.path) == len(fetcher_mode)
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self.load_conditioning = opt_get(hparams, ['load_conditioning'], False)
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self.conditioning_candidates = opt_get(hparams, ['num_conditioning_candidates'], 1)
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self.conditioning_length = opt_get(hparams, ['conditioning_length'], 44100)
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self.debug_failures = opt_get(hparams, ['debug_loading_failures'], False)
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self.audiopaths_and_text = []
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for p, fm in zip(self.path, fetcher_mode):
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if fm == 'lj' or fm == 'libritts':
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fetcher_fn = load_filepaths_and_text
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elif fm == 'tsv':
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fetcher_fn = load_tsv
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elif fm == 'mozilla_cv':
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assert not self.load_conditioning # Conditioning inputs are incompatible with mozilla_cv
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fetcher_fn = load_mozilla_cv
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elif fm == 'voxpopuli':
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assert not self.load_conditioning # Conditioning inputs are incompatible with voxpopuli
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fetcher_fn = load_voxpopuli
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else:
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raise NotImplementedError()
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self.audiopaths_and_text.extend(fetcher_fn(p))
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self.text_cleaners = hparams.text_cleaners
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self.sample_rate = hparams.sample_rate
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random.seed(hparams.seed)
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random.shuffle(self.audiopaths_and_text)
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self.max_wav_len = opt_get(hparams, ['max_wav_length'], None)
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self.max_text_len = opt_get(hparams, ['max_text_length'], None)
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assert self.max_wav_len is not None and self.max_text_len is not None
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self.use_bpe_tokenizer = opt_get(hparams, ['use_bpe_tokenizer'], True)
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if self.use_bpe_tokenizer:
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from data.audio.voice_tokenizer import VoiceBpeTokenizer
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self.tokenizer = VoiceBpeTokenizer(opt_get(hparams, ['tokenizer_vocab'], '../experiments/bpe_lowercase_asr_256.json'))
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else:
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self.tokenizer = CharacterTokenizer()
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self.skipped_items = 0 # records how many items are skipped when accessing an index.
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def get_wav_text_pair(self, audiopath_and_text):
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# separate filename and text
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audiopath, text = audiopath_and_text[0], audiopath_and_text[1]
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text_seq = self.get_text(text)
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wav = load_audio(audiopath, self.sample_rate)
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return (text_seq, wav, text, audiopath_and_text[0])
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def get_text(self, text):
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tokens = self.tokenizer.encode(text)
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tokens = torch.IntTensor(tokens)
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if self.use_bpe_tokenizer:
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# Assert if any UNK,start tokens encountered.
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assert not torch.any(tokens == 1)
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# The stop token should always be sacred.
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assert not torch.any(tokens == 0)
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return tokens
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def __getitem__(self, index):
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self.skipped_items += 1
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try:
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tseq, wav, text, path = self.get_wav_text_pair(self.audiopaths_and_text[index])
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cond, cond_is_self = load_similar_clips(self.audiopaths_and_text[index][0], self.conditioning_length, self.sample_rate,
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n=self.conditioning_candidates) if self.load_conditioning else (None, False)
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except:
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if self.skipped_items > 100:
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raise # Rethrow if we have nested too far.
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if self.debug_failures:
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print(f"error loading {self.audiopaths_and_text[index][0]} {sys.exc_info()}")
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return self[(index+1) % len(self)]
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actually_skipped_items = self.skipped_items
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self.skipped_items = 0
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if wav is None or \
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(self.max_wav_len is not None and wav.shape[-1] > self.max_wav_len) or \
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(self.max_text_len is not None and tseq.shape[0] > self.max_text_len):
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# Basically, this audio file is nonexistent or too long to be supported by the dataset.
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# It's hard to handle this situation properly. Best bet is to return the a random valid token and skew the dataset somewhat as a result.
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if self.debug_failures:
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print(f"error loading {path}: ranges are out of bounds; {wav.shape[-1]}, {tseq.shape[0]}")
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rv = random.randint(0,len(self)-1)
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return self[rv]
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orig_output = wav.shape[-1]
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orig_text_len = tseq.shape[0]
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if wav.shape[-1] != self.max_wav_len:
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wav = F.pad(wav, (0, self.max_wav_len - wav.shape[-1]))
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if tseq.shape[0] != self.max_text_len:
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tseq = F.pad(tseq, (0, self.max_text_len - tseq.shape[0]))
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res = {
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'real_text': text,
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'padded_text': tseq,
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'text_lengths': torch.tensor(orig_text_len, dtype=torch.long),
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'wav': wav,
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'wav_lengths': torch.tensor(orig_output, dtype=torch.long),
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'filenames': path,
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'skipped_items': actually_skipped_items,
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}
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if self.load_conditioning:
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res['conditioning'] = cond
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res['conditioning_contains_self'] = cond_is_self
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return res
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def __len__(self):
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return len(self.audiopaths_and_text)
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class PairedVoiceDebugger:
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def __init__(self):
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self.total_items = 0
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self.loaded_items = 0
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self.self_conditioning_items = 0
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def get_state(self):
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return {'total_items': self.total_items,
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'loaded_items': self.loaded_items,
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'self_conditioning_items': self.self_conditioning_items}
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def load_state(self, state):
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if isinstance(state, dict):
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self.total_items = opt_get(state, ['total_items'], 0)
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self.loaded_items = opt_get(state, ['loaded_items'], 0)
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self.self_conditioning_items = opt_get(state, ['self_conditioning_items'], 0)
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def update(self, batch):
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self.total_items += batch['wav'].shape[0]
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self.loaded_items += batch['skipped_items'].sum().item()
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if 'conditioning' in batch.keys():
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self.self_conditioning_items += batch['conditioning_contains_self'].sum().item()
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def get_debugging_map(self):
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return {
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'total_samples_loaded': self.total_items,
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'percent_skipped_samples': (self.loaded_items - self.total_items) / self.loaded_items,
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'percent_conditioning_is_self': self.self_conditioning_items / self.loaded_items,
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}
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if __name__ == '__main__':
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batch_sz = 8
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params = {
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'mode': 'paired_voice_audio',
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'path': ['Y:\\bigasr_dataset\\hifi_tts\\test.txt'],
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'fetcher_mode': ['libritts'],
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'phase': 'train',
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'n_workers': 0,
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'batch_size': batch_sz,
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'max_wav_length': 255995,
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'max_text_length': 200,
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'sample_rate': 22050,
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'load_conditioning': True,
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'num_conditioning_candidates': 2,
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'conditioning_length': 44000,
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'use_bpe_tokenizer': True,
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}
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from data import create_dataset, create_dataloader
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def save(b, i, ib, key, c=None):
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if c is not None:
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torchaudio.save(f'{i}_clip_{ib}_{key}_{c}.wav', b[key][ib][c], 22050)
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else:
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torchaudio.save(f'{i}_clip_{ib}_{key}.wav', b[key][ib], 22050)
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ds, c = create_dataset(params, return_collate=True)
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dl = create_dataloader(ds, params, collate_fn=c)
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i = 0
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m = None
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for i, b in tqdm(enumerate(dl)):
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for ib in range(batch_sz):
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print(f'{i} {ib} {b["real_text"][ib]}')
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save(b, i, ib, 'wav')
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if i > 5:
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break
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