Common sense of stadium sound reinforcement system

　　1. The main features of the sound reinforcement system of modern stadiums can be roughly summarized into three aspects:

　　1. Pay more attention to the sound effects of the auditorium and the venue;

　　2. In order to meet the needs of the opening and closing ceremonies or theatrical performances of large-scale sports competitions, more attention should be paid to the provision of corresponding "mobile" sound reinforcement systems;

　　3. Electroacoustic systems pay more attention to the use of digital network transmission and control systems.

　　2. The stadium sound reinforcement system mainly includes:

　　1. Live sound reinforcement system for sports competitions

　　2. A mobile sound reinforcement system for opening and closing ceremonies and large-scale theatrical performances

　　3. Automatic priority broadcast system that meets multi-level broadcast (including emergency broadcast)

　　4. Digital networked signal transmission and control system

　　5. Power amplifier and signal transmission fault automatic detection system, etc.

　　3. Basic requirements of stadiums for sound reinforcement systems

　　1. The regular use of stadiums is sports competitions or mass gatherings, so the basic requirement for the sound reinforcement system is to first ensure the intelligibility (or clarity) of language sound reinforcement. This may seem simple, but it is not easy to implement to actually satisfy the stadium audience (or most audience seats) with good hearing.

　　2. The use of stadiums If there are opening ceremonies, closing ceremonies or large-scale high-level theatrical performances of large-scale games, the sound reinforcement system is used in conjunction with the high-quality "flow system" and the original "fixed" installation system. It will be more effective and more economical.

　　3. The audience of modern stadiums is different from the traditional "spectators", and more of them are "fans" cheering for the participating teams. The atmosphere of sports competitions is warm. However, for sound reinforcement, the level of "background noise" increases and is random, so it should be fully paid attention to in the design of sound reinforcement system.

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