Sound Group Inc. operates as an AI-powered audio company in the People's Republic of China. The company offers voice live streaming, multi-user voice interaction, and podcast content for social entertainment, online companionship, and interest-based engagement; and content creation platforms, which enable intelligent event planning, voice enhancement, and AI-driven interactive features. It also provides SoundSphereAI, a voice AI technology showcase and experience platform. The company was formerly known as LIZHI INC. and changed its name to Sound Group Inc. in January 2024. Sound Group Inc. was founded in 2010 and is based in Singapore.