finetune_english.json

{
    "project_name": "vits_english_dialect_welsh_female",
    "push_to_hub": true,
    "hub_model_id": "vits_ljs_welsh_female_monospeaker",
    "overwrite_output_dir": true,
    "output_dir": "./tmp/vits_finetuned",

    "dataset_name": "ylacombe/english_dialects",    
    "dataset_config_name": "welsh_female", 
    "audio_column_name": "audio", 
    "text_column_name":"text",
    "train_split_name": "train",
    "eval_split_name": "train",
    "speaker_id_column_name": "speaker_id",
    "override_speaker_embeddings": true,
    "filter_on_speaker_id": 5223,

    
    "max_duration_in_seconds": 20,
    "min_duration_in_seconds": 1.0,
    "max_tokens_length": 500,

    "model_name_or_path": "ylacombe/vits-ljs-with-discriminator",


    "preprocessing_num_workers": 4,

    "do_train": true,
    "num_train_epochs": 200,
    "gradient_accumulation_steps": 1,
    "gradient_checkpointing": false,
    "per_device_train_batch_size": 16,
    "learning_rate": 2e-5,
    "adam_beta1": 0.8,
    "adam_beta2": 0.99,
    "warmup_ratio": 0.01,
    "group_by_length": false,

    "do_eval": true, 
    "eval_steps": 50,
    "per_device_eval_batch_size": 16,
    "max_eval_samples": 25, 
    "do_step_schedule_per_epoch": true,

    "weight_disc": 3,
    "weight_fmaps": 1,
    "weight_gen": 1,
    "weight_kl": 1.5,
    "weight_duration": 1,
    "weight_mel": 35,

    "fp16": true,
    "seed": 456
}