selective distortion

Characteristics of light impact sound insulation for the floors were studied through adopting small size sound insolation instrument.

采用小型隔声箱体对几种地板的轻量撞击声隔声特性进行了研究。

study on characteristics of light impact sound insulation for the floors

地板轻量撞击声隔声特性的研究

acoustics - measurement of sound insulation in buildings and of building elements - field measurements of impact sound insulation of floors

声学.建筑物和建筑构件的隔音测量.地板冲击声隔绝的场测量

acoustics -- rating of sound insulation in buildings and of building elements -- part 2: impact sound insulation

声音—建筑物和建筑物单元中隔离声音的传播速率-第2部分：隔离脉冲声音

a damping device at the rear end of the oil storage cylinder eliminates impact sound at the end of a return stroke.

位于储油缸后端的缓冲装置消除了回程末端的冲击声。

control of flanking in both airborne and impact sound ?

空气声和撞击声的侧向传播都要控制

study on characteristics of heavy impact sound insulation for the floors

地板重量撞击声隔声特性的研究

a forecast of impact sound insulating property of composite floors

复合地板撞击声隔声性能的预测

test method for laboratory measurement of the effectiveness of floor coverings in reducing impact sound transmission through concrete floors

实验室测量地板覆盖物减缓撞击声音通过混凝土地面传输的有效性的试验方法

calculation of the impact sound insulation index

冲击声隔离指数的计算

test method for laboratory measurement of impact sound transmission through floor-ceiling assemblies using the tapping machine

用夯击机实验室测量冲击声波通过地板和天花板组合体传播的试验方法

acoustics -- measurement of floor impact sound insulation of buildings -- part 2: method using standard heavy impact sources

声学.建筑物的楼板冲击声音隔绝的测量.第2部分：使用标准重型冲击源的的方法

acoustics -- measurement of floor impact sound insulation of buildings -- part 1: method using standard light impact source

声学.建筑物的楼板冲击声音隔绝的测量.第1部分：使用标准清型冲击源的的方法

acoustics -- rating of sound insulation in buildings and of building elements -- part 2: floor impact sound insulation

声学建筑物和建筑元件内声音隔绝的比率第2部分：楼板冲击声音隔绝

in the bar the lively atmosphere, you can hear their heels and ground strong impact sound.

在酒吧热闹的氛围里，你能够听见自己的高跟鞋与地面有力的碰撞声。

Continue to look for this impact sound source.

罢休查找这撞击不韵源.

method for field measurement of floor impact sound level

建筑物地板冲击声级的现场测定方法