by Dave Guadagni

Answer for Last Week's Puzzler

If you combine two sound sources, each at 50 decibels (dB) what will be the resultant dB level? If you double the distance to a sound source you reduce the dB by _____?

Answer: 

If you combine two 50-decibel (dB) sound sources, the result is 53 dB.

If you double the distance to a sound source you reduce it by 6 dB.

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The answers to this week's puzzler will be published here next week.

Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects

Quizzical Pursuit is Copyright 2000, Dave Guadagni.