In the context of the advent of 5G era，smart media has gradually developed into shape，and the application of artificial intelligence technology in sound transmission has promoted it to a new stage of smart audio. Now，intelligent audio transmission presents multi-level development characteristics and changes from the aspects of content，equipment and platform，and there are also problems of varying degrees in the aspects of content，technology，security and regulations. Smart audio is an important field of future media development. It needs the joint efforts of multiple parties to formulate the future development strategy of smart audio and create intelligent voice.