1.
The Design of Architectural Acoustics and Sound Amplifying System for National Main Sports Venues;
国家体育场建筑声学及扩声系统设计
2.
Acoustical Violence-Issues about the Sound Pressure Level of National Centre for the Performing Arts
声暴力——续谈“国家大剧院扩声声压级的讨论”
3.
The sound pressure level in a room can be increased by about 5-8 db on a number of auditoriums.
对于一般厅堂,扩声声级大约可提高5—8分贝.
4.
Exploration of the disposition of sound reinforcement System in theatres and acoustic characteristic standard
剧场扩声系统设备配置及声学特性指标的探讨
5.
Production Mechanism and Restraining Methods about Sound Feedback of Loud-speaking System inside Room;
室内扩声系统声反馈形成机理及抑制方法
6.
Elimination of Sound Feedback on Loud-speaking System in Multimedia Integration Classroom;
多媒体综合教室扩声系统中声反馈啸叫的消除
7.
Haas Effect and Its Applications on Design of Architecture Acoustics and Public-address System
哈斯效应在建声和扩声系统设计中的应用
8.
Features and Application of Networking Public Address System
基于空间域抑制声反馈矩阵网络会议扩声系统
9.
Some Problem on Designing & Configuring Surrounding Sound & Effect Sound in Sound Reinforcement System
扩声系统中设计、配置环绕和效果声应注意问题
10.
A loudspeaker magnifies the human voice.
扬声器扩大人的声音。
11.
diffuse-field response of microphone
传声器扩散声场频率响应；传声器扩散场响应
12.
Hearing Aid and Amplification System
助听器与声音扩大系统
13.
Surround amplifier
环绕立体声打扩音器
14.
diffuse-field sensitivity of microphone
传声器扩散场灵敏度
15.
A funnel - shaped device used to direct and amplify the voice.
扩音器用来传声或扩音的漏斗形装置
16.
a portable loudspeaker with built-in microphone and amplifier.
内部带有扩音器和扬声器的轻便的扩音器。
17.
A device for projecting sound waves, as in a loudspeaker.
角状扩音器一种用来产生声波的装置，如扬声器
18.
An actor must learn to project (his voice).
演员必须学习（使声音）扩及远处的发声法.