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Robert Silva

Decibels (db) - Home Theater Term of the Week

By January 9, 2013

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A Decibel is a measurement of Sound level.

Our ears detect changes in volume in a non-linear fashion. A decibel is a logarithmic scale of loudness. A difference of 1 decibel is the minimum perceptible change in volume, 3 db is a moderate change, and 10 decibels is doubling of volume. Decibels are designated by the letters: db...read more.

For additional terms and definitions, check out my Home Theater Glossary

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