code: def add_librispeech_hparams(hparams):
    
    hparams.batch_size = 36
    hparams.audio_compression = 8
    hparams.hidden_size = 2048
    hparams.max_input_seq_length = 600000
    hparams.max_target_seq_length = 350
    hparams.max_length = hparams.max_input_seq_length
    hparams.min_length_bucket = hparams.max_input_seq_length // 2
    hparams.learning_rate = 0.05
    hparams.train_steps = 5000000
    hparams.num_hidden_layers = 4
    return hparams
docs: Adding to base hparams the attributes for for librispeech.