As a leader of emerging mobile communication technology, 5G cannot be ignored in the reform of education development. Educational Communication Science has established a link and analytical perspective between 5G and education. In recent years, the rapid development of the fusion of wireless communication technology and wireless sensors and other new-generation technologies has enabled wireless communication sensors and wireless network communication technologies to have been widely standardized and applied in China today. Therefore, the theoretical exploration and application research of wireless sensor network low-power network technology is particularly important. At present, most of the low-power network technologies in the current domestic wireless sensor network management systems are mainly through remote control of the network. Technical means such as sleep time can greatly reduce the operating power consumption of the traditional network system, and the diversified structure of the network system will directly cause it to be difficult to accurately give the best network sleep time of each wireless routing node. Compared with the interactive use of keyboard and mouse, voice has a higher speed and efficiency, and voice has complex and changeable emotional expressions, which greatly improves the experience of interaction. Therefore, in recent years, with the continuous progress and development of mobile Internet information technology, the "Internet + " video vocal music teaching model has penetrated into various disciplines and various types of video vocal teaching models, and the online and offline synchronous teaching model has become The development of video vocal music teaching is an inevitable trend, so this article uses 5G wireless sensing technology to conduct in-depth research on speech recognition and video vocal teaching.
