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Source：www.hbgad.icu Release：2019-02-12 Views：1214 Returns
For a building space, its enclosure structure by the role of the external sound field or directly by the impact of objects and vibration, will radiate sound energy to the architectural space, so the outer sound of the space through the enclosure structure to the building space, this is called "sound transmission".
The sound energy that comes in is always more or less smaller than the external sound or impact energy, so the enclosure structure isolates part of the sound energy that acts on it, which is called "sound insulation".Transmission and sound insulation are just a pair of opposite concepts derived from two different angles.
If the isolation of the enclosure structure is the sound energy of the external space sound field, it is called "air sound isolation", if the impact of energy radiation into the building space of the sound energy is reduced, is called "solid sound or impact sound isolation".
This differs from the concept of isolation, where the former ends up with the air sound of the recipient and the latter is the solid vibration that the recipient feels.However, the vibration isolation measures to reduce the vibration or impact source on the containment structure (such as the floor), can reduce the impact sound itself.