会议音响
Conference sound
会议音响系统，则主要应用于会议培训讲座等的扩声。会议音响主要考虑采用会议专用扩声系统(注：如手拉手会议)或常规扩声系统，配置相应的会议话筒等。
Conference sound system is mainly used for sound reinforcement of conference training lectures, etc. The conference sound system mainly considers the use of special conference sound reinforcement system (Note: such as hand-in-hand Conference) or conventional sound reinforcement system, equipped with corresponding conference microphone, etc.
会议音响普通配置通常是调音台功放和一对音箱，中高档配置可选配周边设备或音频综合处理器及反馈抑制器等，具体场景系统指标视使用档次及预算投入。
The general configuration of conference audio is usually mixer power amplifier and a pair of speakers. For medium and high-grade configuration, peripheral equipment or audio integrated processor and feedback suppressor can be selected. The specific scene system indicators depend on the use level and budget investment.
公共广播音响
Public address sound
公共广播音响系统，一般是应用在大型建筑中，如机场火车站展览中心综合办公区等，用于播放背景音乐广播通知等。公共广播音响一般注重考虑语言或背景音乐，在音箱或喇叭的布置方面，考虑声音覆盖的均匀度。
Public broadcasting sound system is generally used in large buildings, such as shopping malls, airports, railway stations, exhibition centers, comprehensive office areas, etc., for playing background music, broadcasting notices, etc. Public broadcasting sound generally focuses on language or background music, and the uniformity of sound coverage is considered in the layout of speakers or speakers.
公共广播音响配置简单明了，除信号源之外，加上简单的程序控制功能及相应的定压或功放等，程式相对固定，频响在100词10碍贬锄之间。
The public address sound configuration is simple and clear. In addition to the signal source, with simple program control function and corresponding constant voltage or power amplifier, the program is relatively fixed and the frequency response is between 100 ~ 10kHz.
舞台演出音响
Stage performance sound
舞台演出音响系统，主要应用于演出扩声。可以分为室内舞台演出与室外舞台演出，不同场合要求有所不同。舞台音响主要针对不同演出，如戏曲演唱会音乐会话剧等，突出特点进行系统配置布置。
Stage performance sound system is mainly used for performance sound reinforcement. It can be divided into indoor stage performance and outdoor stage performance, with different requirements on different occasions. The stage sound system is mainly configured and arranged for different performances, such as opera concerts, concerts, dramas, etc.
演出舞台音响配置要求应该是高的，系统组成较为复杂、灵活。比如均衡、延时、压限、分频、混响、激励等周边设备，要求具有较宽频响范围，通常在35词20碍贬锄之间，输出功率在几千瓦乃上万瓦，音箱在十几只到几十只，所有设备工作状态要求均处于高保真模式中。
The requirements for the sound configuration of the performance stage should be high, and the system composition is more complex and flexible. For example, peripheral equipment such as equalization, time delay, voltage limit, frequency division, reverberation and excitation are required to have a wide frequency response range, usually between 35 ~ 20kHz, output power of thousands of watts or even tens of thousands of watts, speakers of more than ten to dozens, and all equipment are required to be in high fidelity mode.
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