Future Challenges in the Next Generation of Voice User Interface

With the development of artificial intelligence technology, artificial interactions come up for providing powerful assistance to our lives. Among them, voice user interface (VUI) plays important roles in assisting the disabled and complex interaction scenarios. This paper mainly introduces the key elements and core technics in VUI. Also, future challenges will be discussed from the perspective of empathy, ethics, and accessibility. This paper serves as a summary for future study in VUI.