import tensorflow as tf

    _, serialized_example = reader.read(filename_queue)
    features = tf.parse_single_example(
            serialized_example,
            features={
                'wav_raw': tf.FixedLenFeature([], tf.string),
                'noisy_raw': tf.FixedLenFeature([], tf.string),
            })
    wave = tf.decode_raw(features['wav_raw'], tf.int32)
