会议系统的电声要求

[中文适用范围]： 适用于会议系统以及组成会议系统或用作此类系统辅助设备的部件（耳机、麦克风、扩音设备）。规定了会议系统的最低要求，以确保我 [外文原描述]： Applies to conference systems and to parts of which they are composed or which are used as auxiliaries to such systems (headphones, microphones, amplification equipment). Describes the different types of conference systems with both wired and wireless systems, and specifies the basic electrical requirements of audio equipment for conference systems. Prescribes the minimum requirements for conference systems in order to ensure interchangeability and optimum performance under conditions of normal operation.