As an important front of popular science education in China, China Science and Technology Museum presents all sorts of exhibitions and A/V shows to disseminate knowledge of science and technology among the public, and to help increase the scientific and cultural literacy of all citizens. The museum covers an area of 40,000 square meters, of which 16,000 square meters is for exhibition halls. Inside the new Exhibition hall B, there are more than 300 examples from aeronautics; astronautics; energy; communications; material science and mechanics; information technology; life science; and environmental science. Because of the complexity of A/V presentation for different zones, Digital Media Technology Beijing recommended Yamaha DME series of DSP/Routing systems for the applications. With unparalleled DSP power the Yamaha DME series Digital Mixing Engines offer customizable audio system solutions with impressive array of DSP components, superior sound quality, generous DSP power, extensive scalability, and network capability, intuitive control interface, the system can be combined and programmed to precisely accommodate the versatile audio requirements inside the Museum.