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Acoustic quieting is the process of making machinery quieter by damping vibrations to prevent them from reaching the observer. Machinery vibrates, causing sound waves in air, hydroacoustic waves in water, and mechanical stresses in solid matter. Quieting is achieved by absorbing the vibrational energy or minimizing the source of the vibration. It may also be redirected away from the observer.

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  • Schalldämpfung (de)
  • Acoustic quieting (en)
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  • Acoustic quieting is the process of making machinery quieter by damping vibrations to prevent them from reaching the observer. Machinery vibrates, causing sound waves in air, hydroacoustic waves in water, and mechanical stresses in solid matter. Quieting is achieved by absorbing the vibrational energy or minimizing the source of the vibration. It may also be redirected away from the observer. (en)
  • Unter Schalldämpfung wird im Gegensatz zur Schalldämmung die Behinderung der Schallausbreitung durch Absorption von Luftschall verstanden. Bei dieser Schallabsorption wird die Schallenergie in nicht hörbare Wellen von Schwingungsenergie, meistens Turbulenzen umgewandelt und damit vernichtet. Dementsprechend wird die Reflexion des Schalls an der Grenzfläche, z. B. an Wänden vermindert. Die physikalischen Mechanismen der Schalldämpfung spielen sich in der unmittelbaren Nähe von Grenzflächen ab: (de)
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