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Sound insulation

Sound insulation

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Key Info
  • Sound insulation
  • Duration: 01:09
  • The presenter lines a room built of stone with soft fibre panels which absorb sound waves. She measures how long it takes sound waves to die away and finds the fibre panels have made a big difference to the amount of sound which is reflected off the walls and floor.
  • Subject:



    Phys: Waves - Sound and Light

  • Keywords: sound, energy, sound insulation, absorb, materials, insulation, reflection, sound waves
Ideas for use in class
  • Demonstration of absorption of sound waves resulting in less reflection.
Background details
  • Clip language : English
  • Aspect ratio : 4x3

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