The analysis of free sound field in the anechoic room;
消声室自由声场仿真分析
Design of an anechoic room under the conditions of forced ventilation;
强制通风状态下消声室的设计
To perform an inspection test of free field in anechoic room, some questions that are the test signal, the directivity of sound source, and the sound center calibrating of sound source must be paid attention to.
要做好消声室自由声场的鉴定测试,必须考虑采用什么样的信号源、声源的指向性、声源场中心的校正等几个重要问题。
Owing to the high cost in buiIding an anechoic chamber, measuring loudspeakers in ordinary rooms is a matter of concern to many audio equipment manufacturers.
由于建造消声室费用太高，如何在非消声室环境测量扬声器的特性是众多中小电声器材生产厂家极为关心的问题。
Simple anechoic chamber was used for noise reduction.
根据降噪量要求对设备间采用简易消声室设计。
The paper establishes reverberation-anechoic chamber sound insulation test method via a lot of test research and demonstration .
本文通过大量的试验研究与论证,建立了混响室—消声室法隔声测量方法,填补了国内在该领域研究的空白。
A study on the estimation of the attenuation of the maze-model muffling cover connected by severalsmall anechoic chambers has been done, and the way to figure out the amount of attenuation and the method toverify the result are given.
对由多个消声小室串联而成的迷宫型消声罩的衰减量的估算方法进行了研究,给出了迷宫型消声罩衰减量的计算方法,并作验证。
Acoustics--Determination of sound power levels of noise sources--Precision methods for anechoic and semi-anechoic rooms
GB/T6882-1986声学噪声源声功率级的测定消声室和半消声室精密法
Measurement & Analysis of Typical Cockpit Background Sound in Anechoic Room
典型舱音背景声在消声室中测试分析研究
The Dead Room: This has major padding on the walls and ceiling, with a carpet floor.
消声室：它有非常专业的填充物在墙壁和天花板上，还有地毯。
You can change it into a dead room by adding foam, packing blankets, or commercial frequency absorbers.
你可以通过增加泡沫海棉，添加毛毯或者频率吸音的产品把它变成消声室。
The Application Research of Expanding Room Muffler in Toilet Noise Control;
扩张室消声器在座便器噪声控制中的应用研究
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
Acoustics--Measurement of insertion loss of ducted silencers without flow--Laboratory survey method
GB/T16405-1996声学管道消声器无气流状态下插入损失测量实验室简易法
Another approach is to use more effective sound-deadening insulation arround the engine compartment.
另一个办法是在发动机室的周围采用高效消声隔音材料。
this first sound, or rather this first grinding, was followed by a second, then a third;
当最后一下钟声消逝的时候，伯爵好象觉得听到更衣室那方面发出一下轻微的响声。
This article analyses the causes of producing sound feedback in multimedia integration classroom and the common methods of eliminating it.
分析了多媒体综合教室的声反馈啸叫问题的成因和常规消除声反馈啸叫的方法。
Experimental Study on Ultrasonography for Detecting Ventricular Myocardial Ablation with High-intensity Focused Ultrasound;
超声技术检测心室异位兴奋及高强度聚焦超声选择性消融心肌的实验研究
noise-killing battery
消杂音电池，消噪声电池
sound attenuation
消声器（噪声衰减装置）
This method broadens the silence frequency bandwidth of muffler and improves its silence fuction.
这种方法拓宽了消声器的消声频带宽度,改善了消声器的消声性能。
Helps eliminate stage rumble or other low-frequency room noise such as that coming from heating, ventilation, or cooling( HVAC) systems.
有助于消除舞台上的嗡嗡声或其它来自暖通空调（VAC）统的低频室内噪音。
Adaptive echo cancellation and noise reduction algorithm
一种自适应回声抵消和噪声消除算法
Compression Chamber Operator [Fire Services Department]
加压室操作员〔消防处〕
Compression Chamber Operation Team [Fire Services Department]
加压室操作组〔消防处〕