摘要
对即将颁布的公共广播国家标准《公共广播系统工程技术规范》中关于系统电声性能测量的有关规定进行了详细的介绍。
The requirements of electro-acoustic performance measurements for public address system in the pending national standard, Technical Code of Public Address System Engineering, are introduced.
出处
《电声技术》
2010年第4期87-89,共3页
Audio Engineering
关键词
公共广播系统
电声性能
应备声压级
声场均匀度
传输频率特性
漏出声衰减
系统设备信噪比
扩声系统语言传输指数
public address system
electro-acoustic performance
ensured sound pressure level
sound field irregularity
transmission frequency response
leak out acoustic attenuation
system signal-to-noise ratio
speech transmission index of public address (STIPA)