The Role of Speech Processing in the Metaverse

The metaverse, blending AR, VR, and persistent digital spaces, is reshaping how people interact and communicate. Speech processing covering ASR, NLP, and TTS is vital in enabling intuitive, voice-driven experiences like real-time translation, smart agents, and personalized avatars. This chapter explores these technologies' impact on user experience while addressing critical ethical concerns such as voice data privacy, surveillance, bias, and synthetic voice misuse. It highlights challenges in digital identity and accessibility, especially for marginalized users. With real-world case studies, it advocates for transparent, inclusive, and ethical voice tech governance in virtual spaces.