A Survey of Talking-Head Generation Technology and Its Applications

In recent years, virtual digital human technology has been increasingly applied in the area of the multimedia information dissemination. This study investigates the generation process of talking digital humans, focusing on data preprocessing and speech synthesis techniques, then we provide a comprehensive review of existing generation methods. Moreover, we present the potential application scenarios, and analyze the directions of the technological development. This survey will provide actionable insights and a reference framework to support further innovation and the expanded application of digital human technology in diverse fields.