HEARBO (the HEAR-ing roBOt) has the unique capability of being able to distinguish all kinds of sounds from voices to sound effects. Utilizing HARK technology, it can distinguish those sound by localizing, separating and recognizing them. The bot is so talented that it can already identify 4 different sounds within 1º of accuracy. This gives HEARBO an advantage as a service bot since it can will when to answer a doorbell or feed a whining child. The video also shows his ability to turn on and off music, adjust the volume and wave his arms a bit to keep time.