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hparams.py
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hparams.py
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import tensorflow as tf
from text.symbols import symbols
def create_hparams(hparams_string=None, verbose=False):
"""Create model hyperparameters. Parse nondefault from given string."""
hparams = tf.contrib.training.HParams(
################################
# Experiment Parameters #
################################
epochs=50000,
iters_per_checkpoint=500,
seed=1234,
dynamic_loss_scaling=True,
fp16_run=False,
distributed_run=False,
dist_backend="nccl",
dist_url="tcp://localhost:54321",
cudnn_enabled=True,
cudnn_benchmark=False,
ignore_layers=['speaker_embedding.weight'],
################################
# Data Parameters #
################################
training_files='filelists/ljs_audiopaths_text_sid_train_filelist.txt',
validation_files='filelists/ljs_audiopaths_text_sid_val_filelist.txt',
text_cleaners=['english_cleaners'],
p_arpabet=1.0,
cmudict_path="data/cmu_dictionary",
################################
# Audio Parameters #
################################
max_wav_value=32768.0,
sampling_rate=22050,
filter_length=1024,
hop_length=256,
win_length=1024,
n_mel_channels=80,
mel_fmin=0.0,
mel_fmax=8000.0,
f0_min=80,
f0_max=880,
harm_thresh=0.25,
################################
# Model Parameters #
################################
n_symbols=len(symbols),
symbols_embedding_dim=512,
# Encoder parameters
encoder_kernel_size=5,
encoder_n_convolutions=3,
encoder_embedding_dim=512,
# Decoder parameters
n_frames_per_step=1, # currently only 1 is supported
decoder_rnn_dim=1024,
prenet_dim=256,
prenet_f0_n_layers=1,
prenet_f0_dim=1,
prenet_f0_kernel_size=1,
prenet_rms_dim=0,
prenet_rms_kernel_size=1,
max_decoder_steps=1000,
gate_threshold=0.5,
p_attention_dropout=0.1,
p_decoder_dropout=0.1,
p_teacher_forcing=1.0,
# Attention parameters
attention_rnn_dim=1024,
attention_dim=128,
# Location Layer parameters
attention_location_n_filters=32,
attention_location_kernel_size=31,
# Mel-post processing network parameters
postnet_embedding_dim=512,
postnet_kernel_size=5,
postnet_n_convolutions=5,
# Speaker embedding
n_speakers=123,
speaker_embedding_dim=128,
# Reference encoder
with_gst=True,
ref_enc_filters=[32, 32, 64, 64, 128, 128],
ref_enc_size=[3, 3],
ref_enc_strides=[2, 2],
ref_enc_pad=[1, 1],
ref_enc_gru_size=128,
# Style Token Layer
token_embedding_size=256,
token_num=10,
num_heads=8,
################################
# Optimization Hyperparameters #
################################
use_saved_learning_rate=False,
learning_rate=1e-3,
learning_rate_min=1e-5,
learning_rate_anneal=50000,
weight_decay=1e-6,
grad_clip_thresh=1.0,
batch_size=32,
mask_padding=True, # set model's padded outputs to padded values
)
if hparams_string:
tf.compat.v1.logging.info('Parsing command line hparams: %s', hparams_string)
hparams.parse(hparams_string)
if verbose:
tf.compat.v1.logging.info('Final parsed hparams: %s', hparams.values())
return hparams