标准摘要
[中文适用范围]： 适用于为声源信号提供混响、时间延迟和频移的设备。涵盖了录音、广播和公共广播系统中常用的实现特殊效果的设备类型。提供 [外文原描述]： Applies to devices intended to give reverberation, time delay or frequency shift to signals of an acoustical origin. It covers the types of devices commonly employed to achieve special effects on sound recording, broadcasting and public-address systems. Provides details of the special characteristics and corresponding methods of measurement to be used for artificial reverberation, time delay and frequency shift equipment.
英文名称Sound system equipment - Part 9: Artificial reverberation, time delay and frequency shift equipment