If the sound level changes from 42 to 45 dBA, how noticeable would it be to a
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If the sound level changes from 42 to 45 dBA, how noticeable would it be to a person in the same room? What if the sound level changes from 42 to 62 dBA?
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The perceived loudness of sound is typically measured in decibels dB The dB scale is logarithmic whi...View the full answer
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Related Book For
Mechanical And Electrical Systems In Architecture Engineering And Construction
ISBN: 9780135000045
5th Edition
Authors: Frank R Dagostino, Joseph B Wujek
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