When it comes to robotics, the sounds they make is either due to the machinery that runs them or an electronic recording that comes out of a speaker. Well, there's a scientist, Hideyuki Sawada , who is working on a robotic "mouth" that produces sound the same way humans do. - Lungs to power the voice using airflow - Vocal cords to create the noise to create a voice - Pharynx (Throat) to create the space and harmonic overtones that affect the "quality" of the voice …