一种定义
四种语言
0,1,2
- 德國
- 英語
- 中國
- 西班牙語
噪声 (n)
Geräusch (n)
Dadurch wird unerwünschte Geräuschentwicklung durch Reibung vermieden.
In ruhiger Arbeitsumgebungen würden diese Quitschgeräusche erheblich stören.
Die Stärke der Geräuschimmission hängt von der Entfernung zur Schallquelle ab.
noise (n)
For example, rooms can be separated acoustically using special insulation designed to muffle footfall noise.
The ear is most sensitive to noise in the frequency range from 1 to 6 kHz.
Their features include low noise, low maintenance and low play.
sound (n)
The effectiveness of the sound insulation depends on the excitation frequency.
The following formula shows how wave length , frequency and sound velocity are related: .
Measurements can also be taken at the source of the sound.
