
At present, large, medium and small enterprises, institutions, institutions, schools and other institutions are equipped with

1. Create a stage atmosphereA good stage performance requires the coordination of stage sound, stage lighting, image and musi

In the table, the stadium does not need to invest a lot of money to ensure accurate audiovisual positioning, as long as the b

The main problems in the acoustic design of stadiums are: multiple echoes, serious sound overflow (disturbing), and many loca