Microsoft Yahei Luoyang City Women and Children's Medical Care Center (formerly Luoyang City Maternal and Child Health Care Hospital) was established in. It is the only three-level maternal and child specialized hospital among municipal medical institutions in Luoyang City, Henan Province that integrates systematic health care for women and children, disease prevention, teaching and scientific research. It is a leading unit in the construction of maternal and child health care system in Luoyang City. In order to better academic exchanges and enrich the cultural activities of medical staff, Microsoft Yahei's new site scientific research office building is equipped with a professional multi-functional conference room, all of which use audio products. The main sound reinforcement is a double eight-inch linear array slightly. This slightly is mainly designed for large-scale stage performances in indoor venues. The unit uses dual magnetic Nd-Fe-B materials and cylindrical wave sound reinforcement, which can provide a very strong high sound pressure level. In order to ensure that sound can cover the entire audience, At the same time, there are also a representative network active coaxial slightly and a single-inch coaxial slightly. The entire audio system also includes a series of patented power amplifiers with display panels, audio mixers, audio matrices and other processing equipment and microphone products, providing a stable and powerful guarantee for the entire sound reinforcement system. Shortly after the completion of the construction of Microsoft Yahei, in order to get more people to pay attention to the medical cause, the opening ceremony of the movie "Life and Death" was successfully held in the multi-functional conference room of the hospital. In addition to the cast and cast members, there were also leaders from units such as the deputy mayor of Luoyang City. The audio also provided an intelligent, user-friendly, easy-to-operate and stable sound reinforcement system for the complete success of the event, and received unanimous praise.