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What is decibels (dB)?

Decibel (dB), unit for expressing the ratio between two amounts of electric or acoustic power or for measuring the relative loudness of sounds. decibel | Definition, Formula, & Facts | Britannica BrowseSearch QuizzesGamesOn This Day Subscribe NowLogin Entertainment & Pop Culture Geography & Travel Health & Medicine Lifestyles & Social Issues

What is the abbreviation for DB?

See Article History. Alternative Title: dB. Decibel (dB), unit for expressing the ratio between two physical quantities, usually amounts of acoustic or electric power, or for measuring the relative loudness of sounds. One decibel (0.1 bel) equals 10 times the common logarithm of the power ratio.

What is a db file and what is it for?

What is a DB file? A DB file is a generic database file that stores data in a structured format, typically with an arrangement of tables, table fields, field data types, and field values. It can be created by various database programs and exported into different formats, such as.CSV files.

What is the difference between phons and DB?

At 1 kHz, readings in phons and dB are, by definition, the same. For all other frequencies, the phon scale is determined by the results of experiments in which volunteers were asked to adjust the loudness of a signal at a given frequency until they judged its loudness to equal that of a 1 kHz signal.


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