modules/FastDiff/config/base.yaml

#############
# Custom dataset preprocess
#############
audio_num_mel_bins: 80
audio_sample_rate: 22050
hop_size: 256  # For 22050Hz, 275 ~= 12.5 ms (0.0125 * sample_rate)
win_size: 1024  # For 22050Hz, 1100 ~= 50 ms (If None, win_size: fft_size) (0.05 * sample_rate)
fmin: 80  # Set this to 55 if your speaker is male! if female, 95 should help taking off noise. (To test depending on dataset. Pitch info: male~[65, 260], female~[100, 525])
fmax: 7600  # To be increased/reduced depending on data.
fft_size: 1024  # Extra window size is filled with 0 paddings to match this parameter
min_level_db: -100
ref_level_db: 20
griffin_lim_iters: 60
num_spk: 1 # number of speakers
mel_vmin: -6
mel_vmax: 1.5

#############
# FastDiff Model
#############
audio_channels: 1
inner_channels: 32
cond_channels: 80
upsample_ratios: [8, 8, 4]
lvc_layers_each_block: 4
lvc_kernel_size: 3
kpnet_hidden_channels: 64
kpnet_conv_size: 3
dropout: 0.0
diffusion_step_embed_dim_in: 128
diffusion_step_embed_dim_mid: 512
diffusion_step_embed_dim_out: 512
use_weight_norm: True

###########
# Diffusion
###########
T: 1000
beta_0: 0.000001
beta_T: 0.01
noise_schedule: ''
N: ''


###########
# train and eval
###########
task_cls: modules.FastDiff.task.FastDiff.FastDiffTask
max_updates: 1000000 # max training steps
max_samples: 25600 # audio length in training
max_sentences: 20 # max batch size in training
num_sanity_val_steps: -1
max_valid_sentences: 1
valid_infer_interval: 10000
val_check_interval: 2000
num_test_samples: 0
num_valid_plots: 10


#############
# Stage 1 of data processing
#############
pre_align_cls: egs.datasets.audio.pre_align.PreAlign
pre_align_args:
  nsample_per_mfa_group: 1000
  txt_processor: en
  use_tone: true # for ZH
  sox_resample: false
  sox_to_wav: false
  allow_no_txt: true
  trim_sil: false
  denoise: false


#############
# Stage 2 of data processing
#############
binarizer_cls: data_gen.tts.vocoder_binarizer.VocoderBinarizer
binarization_args:
  with_wav: true
  with_spk_embed: false
  with_align: false
  with_word: false
  with_txt: false
  with_f0: false
  shuffle: false
  with_spk_id: true
  with_f0cwt: false
  with_linear: false
  trim_eos_bos: false
  reset_phone_dict: true
  reset_word_dict: true


###########
# optimization
###########
lr: 2e-4    # learning rate
weight_decay: 0
scheduler: rsqrt # rsqrt|none
optimizer_adam_beta1: 0.9
optimizer_adam_beta2: 0.98
clip_grad_norm: 1
clip_grad_value: 0

#############
# Setting for this Pytorch framework
#############
max_input_tokens: 1550
frames_multiple: 1
use_word_input: false
vocoder: FastDiff
vocoder_ckpt: checkpoints/FastDiff
vocoder_denoise_c: 0.0
max_tokens: 30000
max_valid_tokens: 60000
test_ids: [ ]
profile_infer: false
out_wav_norm: false
save_gt: true
save_f0: false
aux_context_window: 0
test_input_dir: '' # 'wavs' # wav->wav inference
test_mel_dir: '' # 'mels' # mel->wav inference
use_wav: True # mel->wav inference
pitch_extractor: parselmouth
loud_norm: false
endless_ds: true
test_num: 100
min_frames: 0
max_frames: 1548
ds_workers: 1
gen_dir_name: ''
accumulate_grad_batches: 1
tb_log_interval: 100
print_nan_grads: false
work_dir: '' # experiment directory.
infer: false # inference
amp: false
debug: false
save_codes: []
save_best: true
num_ckpt_keep: 3
sort_by_len: true
load_ckpt: ''
check_val_every_n_epoch: 10
max_epochs: 1000
eval_max_batches: -1
resume_from_checkpoint: 0
rename_tmux: true
valid_monitor_key: 'val_loss'
valid_monitor_mode: 'min'
train_set_name: 'train'
train_sets: ''
valid_set_name: 'valid'
test_set_name: 'test'
seed: 1234