Sound Group Inc. is an AI-powered audio company operating in the People's Republic of China. It offers voice live streaming, multi-user voice interaction, and podcast content for social entertainment, online companionship, and interest-based engagement, along with content creation platforms featuring 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. Founded in 2010, it is based in Singapore.