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| Japanese Accommodation |
Measuring the sound transfer in adjacent rooms using a tape recorder and an alarm clock.
GAINA is applied on both sides of the wall between the adjacent rooms.
A sound meter is used to measure the noise levels before and after the application of GAINA.
Results from the meter:
Recorded conversation
Before: 56 db ~~ After: 50 db
Noise level decreased by 6 db.
Ringing alarm clock
Before: 45 db ~~ After: 37 db
That's a decrease of 8 db.
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| a room |
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| Measure |
A sound meter is used to measure the noise levels before and after the application of GAINA.
Results from the meter:
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| Tape Recorder |
Before: 56 db ~~ After: 50 db
Noise level decreased by 6 db.
That's a decrease of 8 db.
Comments from experts:
Recorded conversation
Before: Hear human voices clearly with content.
After: The conversation is muffled, we can no longer hear the content.
Ringing alarm clock
Before: Enough for the sound to be misunderstood as ringing in the same room.
After: Sound considerably reduced.
