4.3 Airborne Noise from Musical Activities inside Licensed Premises

Scenario (i)

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Airborne noise through opened doorway

Airborne noise through opened doorway

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  • Close all doors
  • Install acoustic doors, and maintain them in good condition to prevent noise escapement from the premises
  • Appoint a staff as door supervisor to keep the doors closed
  • Equip doors with self-closing mechanism
  • Install a visual alarm equipment to alert the premises-in-charge if the doors are opened Install double doors incorporated with sound trap lobby (see Glossary of Acoustic Terminology for details)
Good practices for airborne noise through opened doorway

 

Scenario (ii)

Sad

Airborne noise through opened windows

Airborne noise through opened windows

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  • Close all windows
  • Install double-glazed or acoustically sealed (e.g. distance between 2 layers of glass should be more than 50mm) windows
Good practices for airborne noise through opened windows

 

Scenario (iii)

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Airborne noise transmitted through partitions

Airborne noise transmitted through partitions

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  • Reinforce the sound insulation properties of the walls and ceiling of the structure, such as construction of drywalls and floating ceiling, or the addition of sound insulation or wall linings
Good practices for airborne noise transmitted through partitions

 

Other good practices about airborne noise
  • Maintain the volume of your sound systems at low levels to avoid causing nuisance to neighbours. Install a sound limiter so as to prevent tampering with the sound volume setting
Sound limiter to prevent tampering with the sound volume setting
  • Place speakers away from windows, doors and party wall
Place speakers away from windows, doors and party wall
  • Install double doors which are made of sound insulations or absorption materials to avoid noise leakage to outside. Where the entertainment area opens directly onto the exterior of the premises, a sound trap lobby with double doors may be required.
Install double doors made of sound insulations or absorption materials to avoid noise leakage