def load_attention_mask_meta_data(metafile_path):
    """Load meta data file created by compute_attention_masks.py"""
    with open(metafile_path, 'r') as f:
        lines = f.readlines()

    meta_data = []
    for line in lines:
        wav_file, attn_file = line.split('|')
        meta_data.append([wav_file, attn_file])
    return meta_data